Patent application number | Description | Published |
20090285386 | Apparatus for Generating Elliptic Curve Cryptographic Parameter, Apparatus for Processing Elliptic Curve Cryptograph, Program for Generating Elliptic Curve Cryptographic Parameter, and Program for Processing Elliptic Cryptograph - A prime number generation unit | 11-19-2009 |
20100104094 | CIPHERTEXT GENERATING APPARATUS, CRYPTOGRAPHIC COMMUNICATION SYSTEM, AND GROUP PARAMETER GENERATING APPARATUS - The random number generating unit | 04-29-2010 |
20100275028 | VERIFICATION APPARATUS - In an integer partitioning process S | 10-28-2010 |
20100329454 | ENCRYPTION PARAMETER SETTING APPARATUS, KEY GENERATION APPARATUS, CRYPTOGRAPHIC SYSTEM, PROGRAM, ENCRYPTION PARAMETER SETTING METHOD, AND KEY GENERATION METHOD - A sophisticated cryptographic system is realized without using a pairing operation on a composite order. A random matrix selection unit | 12-30-2010 |
20120045056 | CRYPTOGRAPHIC PROCESSING SYSTEM - It is aimed to implement a hierarchical predicate encryption (HPE) scheme. A cryptographic process is performed using dual vector spaces (dual distortion vector spaces (DDVS)) of a space V and a space V* paired through a pairing operation. An encryption device generates as a cipher vector a vector in the space V, the vector having transmission information embedded therein. A decryption device, using a predetermined vector in the space V* as a key vector, performs the pairing operation on the cipher vector generated by the encryption device and the key vector, to decrypt the cipher vector and to extract information concerning the transmission information. | 02-23-2012 |
20120207299 | DATA PROCESSING DEVICE - A certification device | 08-16-2012 |
20120284530 | CRYPTOGRAPHIC PROCESSING SYSTEM, KEY GENERATION DEVICE, KEY DELEGATION DEVICE, ENCRYPTION DEVICE, DECRYPTION DEVICE, CRYPTOGRAPHIC PROCESSING METHOD, AND CRYPTOGRAPHIC PROCESSING PROGRAM - It is an object of this invention to implement a predicate encryption scheme with delegation capability. A cryptographic process is performed using dual vector spaces (dual distortion vector spaces) of a space V and a space V* paired through a pairing operation. An encryption device generates as a cipher vector a vector in which transmission information is embedded, the cipher vector being the vector of the space V. Using a predetermined vector of the space V* as a key vector, a decryption device performs the pairing operation on the cipher vector generated by the encryption device and the key vector to decrypt the cipher vector and to extract information concerning the transmission information. | 11-08-2012 |
20120324240 | SECURE SEARCH SYSTEM, PUBLIC PARAMETER GENERATION DEVICE, ENCRYPTION DEVICE, USER SECRET KEY GENERATION DEVICE, QUERY ISSUING DEVICE, SEARCH DEVICE, COMPUTER PROGRAM, SECURE SEARCH METHOD, PUBLIC PARAMETER GENERATION METHOD, ENCRYPTION METHOD, USER SECRET KEY GENERATION METHOD, QUERY ISSUING METHOD, AND SEARCH METHOD - In a secure search system to be used by a plurality of users, the size of a ciphertext is reduced and the need to generate a new ciphertext when a new user is added is eliminated. A public parameter generation device | 12-20-2012 |
20130028415 | CRYPTOGRAPHIC PROCESSING SYSTEM, KEY GENERATION DEVICE, ENCRYPTION DEVICE, DECRYPTION DEVICE, SIGNATURE PROCESSING SYSTEM, SIGNATURE DEVICE, AND VERIFICATION DEVICE - The object is to provide a secure functional encryption scheme having a large number of cryptographic functions. An access structure is constituted by applying the inner-product of attribute vectors to a span program. The access structure has a degree of freedom in design of the span program and design of the attribute vectors, thus having a large degree of freedom in design of access control. A secure functional encryption process having a large number of cryptographic functions is implemented by employing the concept of secret sharing for the access structure. | 01-31-2013 |
20130039489 | CRYPTOGRAPHIC PROCESSING SYSTEM, KEY GENERATION DEVICE, KEY DELEGATION DEVICE, ENCRYPTION DEVICE, DECRYPTION DEVICE, CRYPTOGRAPHIC PROCESSING METHOD, AND CRYPTOGRAPHIC PROCESSING PROGRAM - It is an object of this invention to implement a predicate encryption scheme with delegation capability. A cryptographic process is performed using dual vector spaces (dual distortion vector spaces) of a space V and a space V* paired through a pairing operation. An encryption device generates as a cipher vector a vector of the space V, the cipher vector being a vector in which transmission information is embedded. Using a predetermined vector of the space V* as a key vector, a decryption device performs the pairing operation on the cipher vector generated by the encryption device and the key vector to decrypt the cipher vector and to extract information concerning the transmission information. In particular, the encryption device and the decryption device perform the cryptographic process without using some dimensions of the space V and the space V*. | 02-14-2013 |
20130173929 | CRYPTOGRAPHIC PROCESSING SYSTEM, KEY GENERATION DEVICE, ENCRYPTION DEVICE, DECRYPTION DEVICE, CRYPTOGRAPHIC PROCESSING METHOD, AND CRYPTOGRAPHIC PROCESSING PROGRAM - The object is to provide a secure functional encryption scheme having many cryptographic functions. An access structure is constituted by applying the inner-product of attribute vectors to a span program. The access structure has a degree of freedom in design of the span program and design of the attribute vectors, thus having a large degree of freedom in design of access control. A functional encryption process is implemented by imparting the access structure to each of a ciphertext and a decryption key. | 07-04-2013 |
20130322627 | SIGNATURE PROCESSING SYSTEM, KEY GENERATION DEVICE, SIGNATURE DEVICE, VERIFICATION DEVICE, SIGNATURE PROCESSING METHOD, AND SIGNATURE PROCESSING PROGRAM - The object is to provide an attribute-based signature scheme which is flexible in the design and which supports a non-monotone predicate. An access structure is constituted by applying the inner-product of the attribute vectors to a non-monotone span program. This access structure is flexible in the design of the span program and in the design of the attribute vectors, providing high flexibility in the design of access control. By incorporating the concept of secret distribution in the access structure, the attribute-based signature scheme which supports the non-monotone predicate is realized. | 12-05-2013 |
20130336474 | CRYPTOGRAPHIC PROCESSING SYSTEM, KEY GENERATION DEVICE, ENCRYPTION DEVICE, DECRYPTION DEVICE, KEY DELEGATION DEVICE, CRYPTOGRAPHIC PROCESSING METHOD, AND CRYPTOGRAPHIC PROCESSING PROGRAM - Hierarchical predicate encryption (HPE) for inner products with enhanced efficiency of operations. A cryptographic processing system includes a key generation device, an encryption device, and a decryption device. The key generation device generates, as a decryption key sk | 12-19-2013 |
20130339754 | CRYPTOGRAPHIC PROCESSING SYSTEM, KEY GENERATION DEVICE, ENCRYPTION DEVICE, DECRYPTION DEVICE, CRYPTOGRAPHIC PROCESSING METHOD, AND CRYPTOGRAPHIC PROCESSING PROGRAM - A decentralized multi-authority functional encryption according to which the security of the whole system does not depend on a single party. Among a plurality of key generation devices, arbitrary one key generation device generates gparam, and each key generation device generates an authority public key and an authority secret key based on gparam. At least some key generation devices among the plurality of key generation devices generate a part of a decryption key of the user based on the authority secret key ask. The user forms one decryption by putting together the decryption keys generated by at least some of the key generation devices, and decrypts a ciphertext. | 12-19-2013 |
20140298028 | CRYPTOGRAPHIC PROCESSING SYSTEM, CRYPTOGRAPHIC PROCESSING METHOD, CRYPTOGRAHPIC PROCESSING PROGRAM, AND KEY GENERATION DEVICE - A cryptographic processing system and method to decrease the sizes of public parameters and a master secret key, and shorten the time taken for the generation process of the secret key to be supplied to the user and the encryption process. A generation device generates a basis B and a basis B* that form public parameters and a master secret key using a sparse matrix in which each row and each column have at least one value other than 0. An encryption device generates a vector in the basis B, the vector being embedded with predetermined information, as a cipher vector. A decryption device, by treating a predetermined vector in the basis B* as a key vector, conducts a pairing operation for the cipher vector and the key vector, to decrypt the cipher vector. | 10-02-2014 |
20140310521 | ENCRYPTED DATA MANAGEMENT DEVICE, ENCRYPTED DATA MANAGEMENT METHOD, AND ENCRYPTED DATA MANAGEMENT PROGRAM - An invalidation scheme of a secret key is implemented, which is usable for a functional encryption scheme. In a cryptographic processing system | 10-16-2014 |
20150098566 | CRYPTOGRAPHIC SYSTEM, CRYPTOGRAPHIC METHOD, CRYPTOGRAPHIC PROGRAM, AND DECRYPTION DEVICE - In a functional encryption scheme where a decryption key dk can decrypt a ciphertext encrypted by an encryption key ek, when decrypting the encryption key in which a parameter Φ is set, by the decryption key dk in which a parameter Ψ is set, if and only if a relation R(Φ, Ψ) holds, a wider range as a relation R is expressed. Of first information including a polynomial d(x), plural polynomials D | 04-09-2015 |
20150229472 | CRYPTOGRAPHIC SYSTEM - An inner-product predicate encryption scheme with improved flexibility without a restriction that the dimensions of an attribute vector x | 08-13-2015 |
20150318988 | CRYPTOGRAPHIC SYSTEM, RE-ENCRYPTION KEY GENERATION DEVICE, RE-ENCRYPTION DEVICE, CRYPTOGRAPHIC METHOD, AND CRYPTOGRAPHIC PROGRAM - It is an object to implement a functional proxy re-encryption scheme. A decryption device | 11-05-2015 |
Patent application number | Description | Published |
20090082889 | STORAGE APPARATUS AND STORAGE METHOD - According to one embodiment, a storage apparatus comprises storage devices, a first selection module configured to select a first storage device in accordance with selection made by a user, a determination module configured to determine whether or not the first storage device can store data, a second selection module configured to select a second storage device when the determination module determines that the first storage device cannot store data, and a storage control module configured to store data in the first storage device when the determination module determines that the first storage device can store data, and to store data in the second storage device when the determination module determines that the first storage device cannot store data. | 03-26-2009 |
20090160792 | PORTABLE DEVICE - According to one embodiment, a portable device includes a casing, a display contained in the casing and having a first side in proximity to a position of the casing which is held by a user with a hand, a plurality of icons displayed on the display, a touch panel which is provided over the display and by which the icons are operated, and a sensor which is provided in the casing and senses the position held by the user. The icons are arranged in a first area defined by an arc of a circle about a first corner as a center located at a lower end of the first side, and chords extending between the arc and the first corner. | 06-25-2009 |
20100166189 | Key Management Apparatus and Key Management Method - According to one embodiment, a key management apparatus comprises a decrypting module configured to read a first media unique key and an encrypted content key corresponding to a selected content from a first information storage medium and to decrypt the encrypted content key with the first media unique key in order to obtain a content key in a plain version, an encryption module configured to read a second media unique key from a second information storage medium and to encrypt the content key in the plain version with the second media unique key in order to obtain an encrypted content key for the second medium, and a write module configured to write the encrypted content key for the second medium to a user data area of the second medium. | 07-01-2010 |
20110075860 | SOUND SOURCE SEPARATION AND DISPLAY METHOD, AND SYSTEM THEREOF - The present invention relates to a sound source separation and display method and a system thereof, and provides in particular a sound source separation and display method and a system thereof that are intended to eliminate a specific sound source. In order to separate a plurality of sound sources by using a single set of microphone array, the result of processing of sound source identification is utilized. More specifically, a signal in a direction is extracted from the result of the processing of the sound source identification, and a field limited to/eliminated of the effect of the signal is calculated and displayed. Such an operation can be repeated. A virtual reference signal can be created in a time domain. | 03-31-2011 |
20130106037 | OPEN AIR LAYER-TYPE VIBRATION REDUCTION STRUCTURE | 05-02-2013 |
20150208185 | NOISE IDENTIFYING APPARATUS AND NOISE IDENTIFYING METHOD USING THE SAME - Provided is a noise identifying apparatus and noise identifying method, allowing automatic identification of whether or not a measured noise has been influenced by a non-object noise, using a simple system. | 07-23-2015 |
Patent application number | Description | Published |
20130003096 | IMAGING APPARATUS AND IMAGE FORMING APPARATUS - An imaging apparatus for imaging a subject image from a lens on an imaging element through an optical filter has a porous body having pores which three dimensionally communicate with each other at least at a side opposite to the imaging element of the optical filter. | 01-03-2013 |
20130045853 | METHOD OF PRODUCING POROUS GLASS - Provided is a method of producing a porous glass having a high strength by a safe, simple process that does not involve the use of any high-temperature heat treatment or acid treatment step. The method includes: mixing 4 wt % or more to 6.5 wt % or less of sodium oxide, 26 wt % or more to 36 wt % or less of boron oxide, and 60 wt % or more to 68 wt % or less of silicon oxide; heating the mixed materials to melt the materials and cooling the molten materials to obtain a glass body; and a step involving bringing the glass body into contact with water without reheating the glass body to obtain the porous glass. | 02-21-2013 |
20130067957 | METHOD OF PRODUCING GLASS - Provided a method of producing a glass having a silica skeleton with a phase-separated structure, particularly in the case of a phase-separated glass, by selectively removing a compositionally deviated layer on the surface of a phase-separated borosilicate glass. The method of producing a glass includes forming a glass body containing silicon oxide, boron oxide, and an alkali metal oxide; and bringing an alkaline aqueous solution having a viscosity of 5 mPa·s or more to 200 mPa·s or less into contact with a surface of the glass body. | 03-21-2013 |
20130068725 | METHOD OF PRODUCING POROUS GLASS - Provided is a method of producing a porous glass, including selectively etching a phase-separated glass with an acid solution, in which the method allows a processing time to be shortened and suppresses gel-like silica from remaining and being deposited in pores of a porous portion. The method of producing a porous glass includes: immersing the phase-separated glass in a bath containing an acid solution; setting an angle θ, which is formed by a surface to be porosified of the phase-separated glass and a bath liquid surface, to 10° or more to 90° or less; and irradiating the bath with an ultrasonic wave to etch the phase-separated glass, thereby obtaining the porous glass. | 03-21-2013 |
20130074548 | METHOD OF PRODUCING GLASS - Provided is a method of producing porous glass having pores with a uniform pore diameter entirely, particularly in the case of phase-separated glass, including selectively removing a denatured layer formed on the surface of glass easily. The method of producing glass includes: forming phase-separated glass containing silicon oxide, boron oxide, and an alkali metal oxide; bringing an alkaline solution held by a porous supporting member into contact with the denatured layer formed on the surface of the phase-separated glass to remove the denatured layer; and immersing the phase-separated glass with the denatured layer removed therefrom in an acid solution to form pores in the phase-separated glass. | 03-28-2013 |
20130157026 | POROUS GLASS AND OPTICAL MEMBER - The present invention provides a porous glass having excellent antireflection performance for visible light. A porous glass includes a porous layer which is mainly composed of silica and which has pores attributed to spinodal phase separation and pores attributed to binodal phase separation. | 06-20-2013 |
20130192306 | METHOD FOR PRODUCING POROUS GLASS - There is provided a method for producing a porous glass having high porosity and nanosized pores even at a deeper portion in the glass. | 08-01-2013 |
20130194483 | POROUS GLASS, METHOD FOR MANUFACTURING POROUS GLASS, OPTICAL MEMBER, AND IMAGE CAPTURE APPARATUS - A porous glass having high strength and a low refractive index, an optical member by using the porous glass, and a method for manufacturing the porous glass are provided. A method for manufacturing a porous glass includes the steps of heat-treating a glass body, which can be phase-separated through heating and which is formed from a plurality of components, at a first temperature to effect the phase separation, heat-treating the glass body, which has been heat-treated at the first temperature, at a second temperature, higher than the first temperature, to effect the phase separation, and bringing the glass body, which has been heat-treated at the second temperature, into contact with an aqueous solution, wherein the total time of the heat treatment time at the first temperature and the heat treatment time at the second temperature is 7 hours or more. | 08-01-2013 |
20130216775 | OPTICAL MEMBER AND IMAGING APPARATUS - Provided is an optical member having high strength, low reflection, and a high transmittance. The optical member includes: a transparent substrate; and a porous glass layer having a spinodal-type porous structure disposed on the transparent substrate, in which at least one of the average pore diameter of a pore formed in the porous glass layer and the average skeleton diameter of a skeleton of the porous glass layer is set so that the optical member has a transmittance of 50% or more in the wavelength region of 450 nm or more and 650 nm or less. | 08-22-2013 |
20130224494 | POROUS GLASS, METHOD OF MANUFACTURING THE SAME AND OPTICAL ELEMENT - This invention provides a porous glass with a varied porous structure that shows an excellent optical performance. A method of manufacturing a porous glass comprising: a first step of forming a surface layer containing a boron compound and an alkali metal compound as main ingredients on a matrix glass containing a silicon oxide, a boron oxide and an alkali metal oxide; a second step of heat treatment the matrix glass and the surface layer for phase separation to form a phase-separated glass; and a third step of acid treatment the phase-separated glass to form the porous glass having pores. | 08-29-2013 |
20130233018 | METHOD OF MANUFACTURING POROUS GLASS - To provide a method of manufacturing a porous glass in which the porosity decreases as a function of the distance from the surface in the direction of depth. A method of manufacturing a porous glass includes a step of bringing one or more than one ion species selected from silver ion, potassium ion and lithium ion into contact with a matrix glass containing borosilicate glass as main ingredient and heating the matrix glass to form a glass body having an ion concentration distribution with a concentration of the one or more than one ion species decreasing as a function of a distance from a surface in a direction of depth, a step of heating and phase-separating the glass body to form a phase-separated glass, and a step of etching the phase-separated glass to form a porous glass having a porosity decreasing as the function of the distance from the surface in the direction of depth. | 09-12-2013 |
20130333419 | METHOD FOR MANUFACTURING POROUS GLASS, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT - A method for manufacturing a porous glass includes: forming a phase-separated glass by heating at a temperature in a range of 300 to 500 degrees Celsius for 3 to 50 hours for phase separation of a glass body in which the concentration of SiO | 12-19-2013 |
20140293114 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - The present invention provides an optical member including a porous glass film on a base member, wherein a ripple is suppressed. | 10-02-2014 |
20140299573 | METHOD FOR MANUFACTURING OPTICAL MEMBER - The present invention provides a method for producing a porous glass layer easily, wherein a ripple is suppressed. | 10-09-2014 |
20140305166 | METHOD FOR MANUFACTURING OPTICAL MEMBER AND METHOD FOR MANUFACTURING IMAGE PICKUP APPARATUS - The present invention provides an optical member having a high transmittance, wherein a composition change of a phase-separable base material glass film is suppressed. | 10-16-2014 |
20140313391 | IMAGING APPARATUS AND IMAGE FORMING APPARATUS - An imaging apparatus for imaging a subject image from a lens on an imaging element through an optical filter has a porous body having pores which three dimensionally communicate with each other at least at a side opposite to the imaging element of the optical filter. | 10-23-2014 |
20140320728 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - The present invention provides an optical member including a porous glass layer on the base member, wherein a ripple is suppressed. | 10-30-2014 |
20140335346 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - To provide an optical member having a porous glass layer on a substrate and rarely causing ripples. | 11-13-2014 |
20150103406 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - This invention provides an optical member in which ripple is suppressed and a porous glass layer is formed on a base member and also provides a method for easily manufacturing the optical member. | 04-16-2015 |
20150138422 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - To provide an optical member in which crystallization is suppressed and which has a porous glass layer on a base material. | 05-21-2015 |
20150146074 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - An optical member including a porous glass layer on a base member is provided, wherein the reflectance is reduced and a ripple is suppressed. | 05-28-2015 |
20150273366 | NANOFIBER STRUCTURAL BODY AND COLLECTING APPARATUS USING THE NANOFIBER STRUCTURAL BODY, AND METHOD OF PRODUCING THE NANOFIBER STRUCTURAL BODY - Based on an electrospinning method, a layer A formed of a polymer continuous phase is formed by: setting a potential difference between an ejection portion configured to eject a polymer solution and a collecting portion configured to collect the polymer nanofibers to a voltage value at which the polymer nanofibers can be spun; and setting the potential of the collecting portion to a low value with respect to a ground potential. Next, a layer B formed of polymer nanofibers and a polymer continuous phase is formed by increasing the potential of the collecting portion without stopping the application of voltages to the ejection portion and the collecting portion. Further, a layer C formed of polymer nanofibers is formed by increasing the potential of the collecting portion without stopping the application of the voltages to the ejection portion and the collecting portion. | 10-01-2015 |
20150273377 | POLYMER NANOFIBER STRUCTURAL BODY AND METHOD OF PRODUCING THE SAME - A polymer nanofiber structural body of the present invention is a polymer nanofiber structural body in which polymer nanofibers are integrated, including a first layer and a second layer different from each other in polymer nanofiber existence ratio, in which: both the first layer and the second layer are laminated through a buffer region; the buffer region includes a region in direct contact with both the first layer and the second layer; and a polymer nanofiber existence ratio of the region continuously changes from a polymer nanofiber existence ratio of the first layer to a polymer nanofiber existence ratio of the second layer in a direction from the first layer to the second layer. | 10-01-2015 |
20150273812 | POLYMER NANOFIBER STRUCTURAL BODY AND POLYMER NANOFIBER COMPOSITE USING THE STRUCTURAL BODY, AND METHODS OF PRODUCING THE STRUCTURAL BODY AND THE COMPOSITE - A method of producing a polymer nanofiber structural body of the present invention includes: forming, on a base material, a first layer in which polymer nanofibers are irregularly integrated by an electrospinning method; cutting the first layer together with the base material; and irradiating an argon beam from a base material side in parallel with a fracture surface to direct the length directions of the polymer nanofibers of the first layer on the base material side toward the thickness direction of the first layer to form a second layer different from the first layer in pore structure, thereby providing a polymer nanofiber structural body having a plurality of pore structures and free of any clear interface. | 10-01-2015 |
Patent application number | Description | Published |
20110170550 | NETWORK NODE AND LOAD DISTRIBUTION METHOD FOR NETWORK NODE - A network node includes: a plurality of network modules in which virtual nodes are installed; and a switch module being a starting point of a star connection when the network modules are connected in the star connection. Each network module includes: a physical interface connecting the network module to an outside network; and a network virtualization unit carrying out, with respect to data arriving in the physical interface, a destination search based on keys extracted from information of the data to determine whether the destination is a virtual node installed in a network module that includes the physical interface at which the data arrived or a virtual node installed in a network module that is connected by way of the switch module, and transmitting the data to a virtual node mounted in either network module in accordance with the determination result. | 07-14-2011 |
20110268113 | Packet communication system, packet communication device, packet communication method, and computer-readable storage medium having packet communication program recorded therein - A packet communication system includes a virtual machine unit; an origin-of-movement communication unit; a movement-destination communication unit; and a storage unit which stores a packet destined for the virtual machine unit while the virtual machine unit moves from the origin-of-movement communication unit to the movement-destination communication unit and transfers the stored packet to the movement-destination communication unit. | 11-03-2011 |
20110289235 | Distributed processing system and distributed processing method - A distributed processing system | 11-24-2011 |
20120158938 | CONTROL SERVER, SERVICE PROVIDING SYSTEM, AND METHOD OF PROVIDING A VIRTUAL INFRASTRUCTURE - A service providing system includes a control server and a physical resource(s) controlled by the control server. The control server has a virtual device providing unit(s) that provides at least one virtual object for controlling a physical resource(s), and a virtual infrastructure providing unit(s) that can provide, as a virtual object(s), a virtual infrastructure(s) configured using at least one virtual object provided by the virtual device providing unit(s), wherein the virtual infrastructure providing unit(s) can configure a virtual infrastructure(s) using the virtual object(s) provided by the virtual infrastructure providing unit(s), and can provide the virtual infrastructure(s) as a virtual object(s). | 06-21-2012 |
20120233431 | RELAY DEVICE - A relay device | 09-13-2012 |
20130086295 | COMMUNICATION CONTROL SYSTEM, SWITCHING NODE, COMMUNICATION CONTROL METHOD AND COMMUNICATION CONTROL PROGRAM - In a switching node, high-speed and advanced service protocol processing function is achieved by utilizing an external control server without affecting performance of conventional service protocol processing. Specifically, a forwarding engine has PCI express and an LAN interface. Depending on a type of an input packet, destination of the packet is switched to the PCI express side for conventional network service and to the LAN interface side for extended network service that cooperates with the external control server. A CPU having the PCI express and the LAN interface is provided ahead of the LAN interface. The CPU performs communication of service inquiry with the external control server at high speed via the LAN interface. After response from the control server is obtained, setting of the forwarding engine is performed through the PCI express. | 04-04-2013 |
20130114615 | SWITCH AND FLOW TABLE CONTROLLING METHOD - In an open flow system, it is made possible to confirm a flow having succeeded or failed in the registration on a flow table. Specifically, a controller transmits and receives an open flow message to and from a switch. The switch is provided with a flow table which manages flows registered from a controller, and a flow table reading section which reads corresponding data, a flow table control section which performs processing of addition, deletion and modification of a flow entry, and a platform function managing section which determine whether an object flow entry is valid or invalid according to an inquiry from the flow table control section. The flow table has a normal flow table and a save flow table. A valid flow entry which conforms to configuration data of the switch is registered on the normal flow table. An invalid flow entry which does not conform to the configuration data of the switch is registered on the save flow table. | 05-09-2013 |
20130166720 | NETWORK SYSTEM AND NETWORK MANAGING METHOD - A controller completes the setting of a flow entry to a switch previously before the communication of a virtual machine starts. Specifically, the controller sets information of the virtual machine and information of a server on which the virtual machine operates. The controller detects the information of the server under the switch through the switch. When the set server information and the detected server information match to each other, the controller sets a flow entry for a packet destined to the virtual machine to the switch based on information of the virtual machine on the server. After that, the virtual machine starts communication. | 06-27-2013 |
20130170354 | COMPUTER SYSTEM AND COMMUNICATION METHOD IN COMPUTER SYSTEM - A computer system of the present invention includes a controller which sets a flow entry to each of a plurality of switches before a packet is forwarded from a plurality of nodes, and each of switches which transfers a reception packet which contains a destination address defined in the flow entry, to a destination node defined in the flow entry regardless of a transmission source address of the reception packet. | 07-04-2013 |
20130170495 | SWITCHING SYSTEM, SWITCHING CONTROL SYSTEM, AND STORAGE MEDIUM - A switch system realizes extension of the number of entries of an open flow table by using tables in a switch as existing resources. Specifically, the switch configures an open flow table by logically combining a plurality of tables, each of which defines processing to a given packet, based on a condition and a processing content defined in each table. The switch refers to the open flow table to determine the processing content to a reception packet. The switch executes the processing of the reception packet based on the determined processing content. | 07-04-2013 |
20130176888 | SWITCH SYSTEM, AND MONITORING CENTRALIZED CONTROL METHOD - A switch system allows free change of a grain degree of monitoring without being conscious of a routing control. For example, a control protocol of a transmitter is used based on the open flow (OpenFlow) technique to control the monitoring function of the switch system, and the centralized control of the monitoring can be realized as the whole network and the monitoring result is reflected on the routing control. Here, the switch has a flow table for packet transfer and a flow table for monitoring. Both of the tables are searched to one packet and a multi-hit operation is performed to execute the operation of each of the entries. That is, both the tables are searched and the packet is transferred according to corresponding flow entries. | 07-11-2013 |
20130279371 | NETWORK SYSTEM AND ROUTING METHOD - In an OpenFlow network, a “proactive type” is attained and hardware (HW) performance problem is solved. Specifically, in the OpenFlow network, each of a plurality of switches executes, on a reception packet that meets a rule of an entry registered in its own flow table, an operation based on an action defined in the entry. A controller registers an entry, in which an identifier unique to a path calculated based on a physical topology of a network composed of the plurality of switches is set as a rule and an output from a predetermined output port as an action, in each of the plurality of switches before communication is started among the plurality of switches. | 10-24-2013 |
20140022894 | NETWORK SYSTEM, SWITCH AND CONNECTED TERMINAL DETECTION METHOD - In an OpenFlow network, it is determined which port of which node device a terminal connected to a group of node devices is connected to, by only using the source MAC address and port number of a packet transmitted from the terminal. Specifically, the node device compares a set of the port number and source MAC address information of a packet transmitted from the terminal to the node device with a set(s) of a port number and MAC address information held in a preliminary search table to check whether they match each other. When the comparison does not result in a match, the node device notifies the controller by using the inquiry information (packet-in) function of OpenFlow. Furthermore, the node device compares the destination MAC address information of the packet with a set(s) of MAC address information held in a final search table to check whether they match each other. | 01-23-2014 |
20140133492 | COMMUNICATION ROUTE CONTROL SYSTEM AND COMMUNICATION ROUTE CONTROL METHOD - On the OpenFlow network/normal network boundary, the route cannot be appropriately changed under a communication trouble with the controller. In this invention, the controller makes the route formed by internal switches optimal by updating the Flow table of each internal switch. Among internal switches, the internal switch A forms the optimal route with an external switch to become an active internal switch. The internal switch B forms a redundant route with the external switch to become a standby internal switch. When inability of the connection between the controller and the internal switch A is detected, the internal switch A performs a link-down of the port for connecting to the external switch. When the link-down of the port connecting to the internal switch A is detected, the external switch changes the route so that the traffic to the active internal switch A is transferred to the standby switch B. | 05-15-2014 |
20150009798 | COMMUNICATION SYSTEM, CONTROL APPARATUS, COMMUNICATION APPARATUS, INFORMATION-RELAYING METHOD, AND PROGRAM - A communication system includes a communication apparatus that processes a packet according to control information set by a control apparatus; a first control apparatus that controls the communication apparatus by setting the control information in the communication apparatus; and a second control apparatus that operates in concert with the first control apparatus. The first control apparatus transmits information necessary for interoperation between the first and second control apparatuses to the second control apparatus via the communication apparatus. | 01-08-2015 |
20150063116 | NETWORK COMMUNICATION APPARATUS AND METHOD OF PREFERENTIAL BAND LIMITATION OF TRANSFER FRAME - In a network communication apparatus, transfer and discard processing is realized for each transfer frame having a priority, and a band limitation is carried out to prevent the congestion of a transfer destination apparatus. Specifically, a bucket is provided for every priority, and tokens of an amount determined based on the priority are supplemented. Moreover, before a bucket evaluation, one shared bucket is provided. All of the tokens existing in the bucket provided for every priority are transferred to the shared bucket for every constant period. The tokens overflowing beyond a capacity of the shared bucket are discarded. All of the frames are equally evaluated and transferred regardless of the priority of each of the frames, as far as the token exists in the shared bucket. When there is no token in the shared bucket, switching to the preferential band limitation is carried out and each priority bucket is evaluated. The bucket corresponding to the priority of the frame is checked and when the token exists, transfer processing of the frame is carried out. When there is no token, discard processing of the frame is carried out. | 03-05-2015 |
20150085666 | Communication Apparatus, Control Apparatus, Communication System, Communication Method, Method for Controlling Communication Apparatus, and Program - A communication apparatus is provided with: a processing rule storage unit capable of storing a first processing rule for unknown packets set in advance, and a second processing rule set by a control apparatus; a packet processor that processes received packets based on processing rules stored in the processing rule storage unit; and a state notification unit that transmits a predetermined control message to the control apparatus when a packet is processed using the first processing rule. On receiving the predetermined control message, the control apparatus creates the second processing rule to be set in the communication apparatus and sets the second processing rule in the communication apparatus, and also discards packets included in the control message. The communication apparatus continues packet processing using the first processing rule until the second processing rule is set by the control apparatus. | 03-26-2015 |
20150256457 | COMMUNICATION NODE, COMMUNICATION SYSTEM, CONTROL APPARATUS, PACKET FORWARDING METHOD, AND PROGRAM - The communication device comprises a first table that stores a first entry in which a match condition that includes at least a destination address is associated with an output destination of a packet matching the match condition; a second table that stores a second entry having a predetermined match condition; a destination learning unit that registers a set of a source and a receiving port of a received packet as a match condition and an output destination, respectively, in the first table; and a packet processing unit that forwards a packet to an output destination determined in the first table when an entry having a match condition matching a received packet is found from each of the first and second tables. The packet processing unit broadcasts a received packet according to a third entry when no entry having a match condition matching the received packet is found. | 09-10-2015 |
20150312147 | SWITCHING SYSTEM, SWITCHING CONTROL SYSTEM, AND STORAGE MEDIUM - A communication apparatus to forward a packet, the communication apparatus comprising of a control unit to communicate with a controller, based on a predetermined control protocol, being capable of transmitting a first packet forwarding rule to a plurality of the communication apparatus, and a table divided into a first region to store the first packet forwarding rule and a second region to store a second packet forwarding rule set by the communication apparatus. | 10-29-2015 |
20150334016 | RELAY DEVICE - A communication apparatus includes a first unit configured to store a first rule from an external apparatus, a second unit configured to store a second rule from the external apparatus, and a third unit configured to process a received packet based on the first rule and the second rule. The first rule includes a first identification information to identify a packet and a first packet processing information to process the packet, and the second rule includes a second identification information to identify the packet and a second packet processing information to process the packet. | 11-19-2015 |
Patent application number | Description | Published |
20100206437 | TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION COATING - A treatment solution for insulation coating for grain oriented electrical steel sheet includes at least one member selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn, and colloidal silica in a proportion of 0.2 to 10 mol in terms of SiO | 08-19-2010 |
20110067786 | TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION COATING - A treatment solution for an insulation coating for a grain oriented electrical steel sheet includes at least one member selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn, and colloidal silica in a proportion of 0.5 to 10 mol in terms of SiO | 03-24-2011 |
20110236581 | TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEETS AND METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION COATING - A treatment solution for insulation coating for grain-oriented electrical steel sheets contains at least one selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn; colloidal silica in a proportion of 0.5 to 10 mol in terms of SiO | 09-29-2011 |
20130087249 | METHOD FOR MANUFACTURING GRAIN ORIENTED ELECTRICAL STEEL SHEET - The present invention provides a method for manufacturing a grain oriented electrical steel sheet, including preparing as a material a steel slab having a predetermined composition and carrying out at least two cold rolling operations, characterized in that a thermal treatment is carried out, prior to any one of cold rolling operations other than final cold rolling, at temperature in the range of 500° C. to 750° C. for a period in the range of 10 minutes to 480 hours. The grain oriented electrical steel sheet of the present invention exhibits through utilization of austenite-ferrite transformation superior magnetic properties after secondary recrystallization. | 04-11-2013 |
20130143003 | GRAIN ORIENTED ELECTRICAL STEEL SHEET - A grain oriented electrical steel sheet has sufficiently low iron loss and having less conventionally-concerned warpage of the steel sheet even after the steel sheet is subjected to artificial magnetic domain refining treatment, where strain-introducing treatment is conducted with high energy so that an iron loss-reducing effect can be maximized. The grain oriented electrical steel sheet is obtained by adjusting tension to be applied to a tension-applying insulating coating, or to both surfaces of the steel sheet by the tension-applying insulating coating, before strain-introducing treatment in the range of Formula (1): | 06-06-2013 |
20130143004 | GRAIN ORIENTED ELECTRICAL STEEL SHEET - A grain oriented electrical steel sheet has grooves on one surface of the steel sheet formed for magnetic domain refining, the steel sheet including a forsterite film and a tension coating on front and back surfaces of the steel sheet, wherein the tension coating is applied on a surface with the grooves in a coating amount A (g/m | 06-06-2013 |
20140245926 | TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEETS - A treatment solution for an insulation coating of grain-oriented electrical steel sheets includes at least one selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al and Mn; colloidal silica in a proportion of 0.5 to 10 mol in terms of SiO | 09-04-2014 |
20140255720 | ULTRATHIN ELECTROMAGNETIC STEEL SHEET - An electrical steel sheet has a component composition including, by mass %, C: 0.007% or less, Si: 4% to 10%, and Mn: 0.005% to 1.0%, the balance being Fe and incidental impurities, as well as a sheet thickness within a range of 0.01 mm or more to 0.10 mm or less, and a profile roughness. Pa of 1.0 μm or less. The electrical steel sheet exhibits excellent iron loss properties whereby the magnetic property is free from deterioration, and degradation of the stacking factor can be avoided, even when the steel sheet with a thickness of 0.10 mm or less has been subjected to siliconizing treatment to increase the Si content in the steel. | 09-11-2014 |
20150013850 | ELECTRICAL STEEL SHEET - An electrical steel sheet has a composition including C: less than 0.010 mass %, Si: 1.5˜10 mass % and the balance being Fe and incidental impurities, wherein a main orientation in a texture of a steel sheet is <111>//ND and an intensity ratio relative to randomly oriented specimen of the main orientation is not less than 5 and, preferably an intensity ratio relative to randomly oriented specimen of {111}<112> orientation is not less than 10, an intensity ratio relative to randomly oriented specimen of {310}<001> orientation is not more than 3 and Si concentration has a gradient that it is high at a side of a surface layer and low at a central portion in the thickness direction and a maximum value of the Si concentration is not less than 5.5 mass % and a difference between maximum and minimum values is not less than 0.5 mass %. | 01-15-2015 |
Patent application number | Description | Published |
20080213621 | Method of Forming Organic Compound Layer, Method of Manufacturing Organic El Element and Organic El Element - A method of forming an organic compound layer for producing organic EL element exhibiting high quality and high productivity without increasing cost; a relevant process for producing an organic EL element. There is provided a method of forming an organic compound layer of organic EL element using production apparatus including supply section, coating•drying section and recovery section, characterized in that flexible band substrate (A) having an anode layer in roll form is fed to the supply section; the production apparatus has at least one unit coating•drying section, the unit containing coating section capable of forming coating film for formation of organic compound later under atmospheric pressure by wet applicator and drying section; and at least one organic compound layer is formed on the anode layer to obtain flexible band substrate (B), which is wound on a core to form a roll in the recovery section. | 09-04-2008 |
20090039772 | PATTERNING APPARATUS, ORGANIC ELECTROLUMINESCENCE ELEMENT, METHOD FOR MANUFACTURING SUCH ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ORGANIC ELECTROLUMINESCENCE DISPLAY - A patterning apparatus for performing highly accurate patterning to substrates continuously transferred is provided. Furthermore, a method for manufacturing an organic electroluminescence element wherein such patterning apparatus is employed, an organic electroluminescence element and an organic electroluminescence display device obtained by using such manufacturing method are provided. | 02-12-2009 |
20090279285 | ORGANIC ELECTROLUMINESCENT DEVICE, LIQUID CRYSTAL DISPLAY AND ILLUMINATING DEVICE - This invention provides an organic electroluminescent element that has a thin and compact sealing structure and is excellent in heat resistance in sealing, particularly a high-brightness organic electroluminescent element comprising a phosphorescence emitting substance, and a liquid crystal display device and lighting equipment using the same. The organic electroluminescent element comprises a substrate and a first electrode, one or more organic layers including a luminescent layer, and a second electrode provided on the substrate. An adhesive layer is disposed on the whole area of a light emitting surface and remote from the light takeout side in the organic electroluminescent element, and a flexible film having a barrier film is applied thereto to form the light emitting surface. The organic electroluminescent element is characterized in that at least one of the luminescent material contained in the luminescent layer is phosphorescence emitting substance, and not less than 80% by mass of the organic material constituting the organic layer has a glass transition temperature of 100° C. or above. | 11-12-2009 |
20100219398 | BOTTOM EMISSION TYPE ORGANIC ELECTROLUMINESCENT PANEL - Provided is a bottom emission type organic EL panel capable of preventing or delaying loss of light emission from an end portion of the light emission area and reduction of the light emission area in an organic EL element. This organic electro luminescence panel includes an organic electro luminescence element having at least one organic layer between an anode and a cathode arranged on a substrate. This panel has a main light emission area emitting light with a high luminance and a non-light emission area or a low light emission area emitting light with a lower luminance than the main light emission area, arranged outside the end portion of the main light emission area. By limiting the main light emission area to a smaller size than the cathode forming area, the end portion of the cathode forming area is arranged outside the end portion of the main light emission area. | 09-02-2010 |
20110260154 | BOTTOM EMISSION TYPE ORGANIC ELECTROLUMINESCENT PANEL - Provided is a bottom emission type organic EL panel capable of preventing or delaying loss of light emission from an end portion of the light emission area and reduction of the light emission area in an organic EL element. This organic electro luminescence panel includes an organic electro luminescence element having at least one organic layer between an anode and a cathode arranged on a substrate. This panel has a main light emission area emitting light with a high luminance and a non-light emission area or a low light emission area emitting light with a lower luminance than the main light emission area, arranged outside the end portion of the main light emission area. By limiting the main light emission area to a smaller size than the cathode forming area, the end portion of the cathode forming area is arranged outside the end portion of the main light emission area. | 10-27-2011 |
20110260155 | BOTTOM EMISSION TYPE ORGANIC ELECTROLUMINESCENT PANEL - Provided is a bottom emission type organic EL panel capable of preventing or delaying loss of light emission from an end portion of the light emission area and reduction of the light emission area in an organic EL element. This organic electro luminescence panel includes an organic electro luminescence element having at least one organic layer between an anode and a cathode arranged on a substrate. This panel has a main light emission area emitting light with a high luminance and a non-light emission area or a low light emission area emitting light with a lower luminance than the main light emission area, arranged outside the end portion of the main light emission area. By limiting the main light emission area to a smaller size than the cathode forming area, the end portion of the cathode forming area is arranged outside the end portion of the main light emission area. | 10-27-2011 |
Patent application number | Description | Published |
20080213621 | Method of Forming Organic Compound Layer, Method of Manufacturing Organic El Element and Organic El Element - A method of forming an organic compound layer for producing organic EL element exhibiting high quality and high productivity without increasing cost; a relevant process for producing an organic EL element. There is provided a method of forming an organic compound layer of organic EL element using production apparatus including supply section, coating•drying section and recovery section, characterized in that flexible band substrate (A) having an anode layer in roll form is fed to the supply section; the production apparatus has at least one unit coating•drying section, the unit containing coating section capable of forming coating film for formation of organic compound later under atmospheric pressure by wet applicator and drying section; and at least one organic compound layer is formed on the anode layer to obtain flexible band substrate (B), which is wound on a core to form a roll in the recovery section. | 09-04-2008 |
20080226942 | Method of Manufacturing Organic Electroluminescence Element and Manaufacturing Apparatus - An objective is to provide a method of manufacturing an organic electroluminescence element possessing a thin film exhibiting relatively low film-strength formed via a continuous wet coating process. Disclosed is a method of manufacturing an organic electroluminescence element possessing a substrate film and provided thereon at least an organic layer placed between a pair of facing electrodes, possessing a light emitting layer containing an organic light emission material; possessing the steps of forming the organic layer on a first electrode provided on the substrate film by a continuous wet coating method; and cutting the substrate film with an upper cutting blade and a lower cutting blade, wherein the lower blade faces the substrate film, the upper blade has a blade edge angle of 30-60°, and the lower blade has a blade edge angle of 80-90 °. | 09-18-2008 |
20090039772 | PATTERNING APPARATUS, ORGANIC ELECTROLUMINESCENCE ELEMENT, METHOD FOR MANUFACTURING SUCH ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ORGANIC ELECTROLUMINESCENCE DISPLAY - A patterning apparatus for performing highly accurate patterning to substrates continuously transferred is provided. Furthermore, a method for manufacturing an organic electroluminescence element wherein such patterning apparatus is employed, an organic electroluminescence element and an organic electroluminescence display device obtained by using such manufacturing method are provided. | 02-12-2009 |
20090267507 | Process for Producing Organic Electroluminescent Element and Organic Electroluminescent Display Device - This invention provides a process for producing an organic EL element that, in forming, by a coating method, an organic EL element comprising a substrate bearing a plurality of organic EL elements each comprising at least a first electrode, one or more organic compound layers, a second electrode, and a sealing layer, can easily form an external connection terminal forming part for external connection terminal formation and can realize high production efficiency and stable performance quality. The process for producing an organic EL element is a process for producing an organic EL element comprising a substrate bearing at least one organic EL element comprising at least a first electrode (an anode layer), at least one organic compound layer, a second electrode (a cathode layer), and a sealing layer and is characterized by comprising a masking member application step of laminating a masking member having an adhesive strength of 1 N/25 mm to 10 N/25 mm onto the organic compound layer formation prohibition region on the substrate, an organic compound layer formation step of forming the organic compound layer on the substrate, and a masking member separation step of separating the masking member. | 10-29-2009 |