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Maruyama, Saitama

Akihiro Maruyama, Saitama JP

Patent application numberDescriptionPublished
20090108118Wire Winding Apparatus - A wire winding apparatus of the invention can reduce the burden of momentum on the side of the nozzle cooperated with the spindle shaft in winding operation, thereby to enable an effective winding operation. The winding apparatus comprises a carrier C carrying at least one bobbin B to be wound with wire, a nozzle 04-30-2009

Hideto Maruyama, Saitama JP

Patent application numberDescriptionPublished
20150118713METHOD FOR CONSTRUCTING FUNCTIONAL NUCLEIC ACID MOLECULE, AND NUCLEIC ACID COMBINATION TO BE USED IN SAID METHOD - A method for constructing a functional nucleic acid molecule comprising 1 or 2 nucleic acid strands, wherein 2 or more fragments having at corresponding ends a functional group pair that can mutually couple through a chemical reaction are introduced into a cell, and a functional nucleic acid molecule comprising 1 or 2 nucleic acid strands is formed by ligating mutually the fragments through a reaction between the functional groups in the cell.04-30-2015

Kazuhiko Maruyama, Saitama JP

Patent application numberDescriptionPublished
20100270830VEHICLE BODY LATERAL SIDE PORTION STRUCTURE - A vehicle body lateral side portion structure including a side sill which has a closed cross-sectional structure formed from an inner panel and an outer panel, and is arranged along the vehicle longitudinal direction, wherein: an outer side wall of the outer panel includes a plurality of step portions; an arch surface which protrudes towards a vehicle exterior side taking, as an apex point, a vicinity of a join position with a center pillar of the vehicle body is formed in a portion of the outer side wall; the outer panel includes a planar portion adjoining the arch surface and a rectilinear portion extending in the vehicle longitudinal direction; a distal end portion of the side sill is connected to a front side frame of the vehicle body; and a rear end portion of the side sill is connected to a rear frame portion of the vehicle body.10-28-2010

Kazuyuki Maruyama, Saitama JP

Patent application numberDescriptionPublished
20080238771Vehicle position detection system - A vehicle position detection system is provided to detect a vehicle position with higher accuracy. The vehicle position detection system includes a GPS receiving device mounted on the vehicle to receive GPS signals from a GPS satellite, a light beacon communication device mounted on the vehicle to receive light beacon information from a light beacon arranged in front of an intersection of a road, and a central processing unit mounted on the vehicle to correct a position of the vehicle based on the light beacon information upon reception of the light beacon information by the light beacon communication device.10-02-2008
20100195340VEHICLE LIGHTING SYSTEM - A vehicle lighting system having a plurality of lighting apparatuses disposed so as to make a vehicle front surface reminiscent of a “face,” wherein an outline of a light-emitting surface of each of the lighting apparatuses from blurring to be fused. A glare area G has a width y as expressed in an expression “y=a+b·ln(x) (ln is a natural logarithm),” “a=−107,” and “b=39.6” when a main lighting apparatus has a luminous intensity of x is defined outside an outline OL of a main light-emitting surface in a vehicle front view, and an auxiliary lighting apparatus disposition area, in which an auxiliary lighting apparatus of a steadily lighting type different from a flashing type lighting apparatus is disposed, is set upwardly of the main lighting apparatus and outside the glare area G.08-05-2010

Patent applications by Kazuyuki Maruyama, Saitama JP

Kohei Maruyama, Saitama JP

Patent application numberDescriptionPublished
20110313624REAR WHEEL TOE ANGLE CONTROL SYSTEM - Provided is a rear wheel toe angle control system that can prevent the impairment of the tracking performance of the electric actuator and enable the rear wheel toe angle control system to ensure the stability of the vehicle even when the electric actuator for steering the rear wheel according to the operating condition of the vehicle is subjected to an axial force. An ECU (12-22-2011

Mitsunori Maruyama, Saitama JP

Patent application numberDescriptionPublished
20090035567Tacky-Adhesive and Tacky-Adhesive Sheet - The tacky-adhesive of the present invention is constituted by an acrylic resin having carboxyl group as a functional group and an acid value of 2 mg KOH/g or higher (A), an acrylic resin having hydroxyl group as a functional group and an acid value of 0.1 mg KOH/g or lower (B), an epoxy type resin (C), and a curing agent or a curing catalyst (D). The acrylic resin (B) preferably has a hydroxyl value of 5 to 100 mg KOH/g. This tacky-adhesive has superior workability for blanking and superior heat resistance, and shows superior adhesion for not only polyimide films but also polyester films. The tacky-adhesive sheet of the present invention uses this tacky-adhesive for a tacky-adhesive layer formed on a substrate.02-05-2009
20130260140AUXILIARY SHEET FOR LASER DICING - An auxiliary sheet for laser dicing, which is not cut fully even in a dicing step using a short-wavelength laser and does not deteriorate workability, is provided. The auxiliary sheet for laser dicing of the present invention is characterized by comprising a substrate formed of a polyolefin film and an adhesive layer provided to one surface of the substrate, wherein total light transmittance is 50% or higher in a wavelength range of 300 to 400 nm and haze is 70% or higher in a wavelength range of 300 to 400 nm.10-03-2013
20140087180EASILY RELEASABLE ADHESIVE FILM - To provide an easily releasable adhesive film that can be easily released from an object, to which the film has been bonded, after processing and that does not deform or damage the object when released therefrom. This easily releasable adhesive film is configured by laminating, in the following order, a first film that is thermally shrinkable (a shrinkable film), an adhesive layer that contains a reactive oligomer together with an adhesive, a second film that is not thermally shrinkable (a non-shrinkable film), and an easily releasable adhesive layer. The reactive oligomer is contained in the adhesive layer in an amount of 12 to 130 parts by weight (inclusive) relative to 100 parts by weight of the adhesive. It is preferable that the easily releasable adhesive layer is configured as an easily releasable adhesive layer that is thermally curable/releasable and contains a reactive oligomer together with an adhesive. It is also preferable that the first film has a shrinkage of 50-90% (inclusive) in the main shrinkage direction at 120° C.03-27-2014
20150030850RE-PEELABLE PROTECTIVE ADHESIVE FILM, AND METHOD OF MANUFACTURING SAME - The purpose of the present invention is to provide a re-peelable protective adhesive film having excellent adhesion between a re-peelable adhesive layer and an antistatic layer, having peeling charging preventive properties, and in which air bubbles are unlikely to be incorporated when the film is affixed to a surface of panel or display. This re-peelable protective adhesive film has an antistatic layer on one surface of a transparent resin film, and has re-peelable adhesive layer on the antistatic layer. The antistatic layer is obtained by forming a film from a mixture of an electroconductive polymer and an acrylic emulsion, and the electroconductive polymer and acrylic resin are included in the layer. The re-peelable adhesive layer includes a urethane adhesive and an isocyanate curing agent.01-29-2015

Patent applications by Mitsunori Maruyama, Saitama JP

Shingo Maruyama, Saitama JP

Patent application numberDescriptionPublished
20140140712INFRARED TEMPERATURE SENSOR AND FIXING DEVICE USING THE SAME - An infrared temperature sensor including: a sensor case made of metal and including a first airspace (a light guiding region) that guides infrared rays entering from an infrared entrance window, and a second airspace (a light shielding region) that is adjacent to the light guiding region via a partition wall, and where an upper wall that blocks entrance of the infrared rays is formed on an entrance side of the infrared rays; a film that absorbs the infrared rays reaching the film through the light guiding region, and converts the infrared rays to heat; a sensor cover that is made of metal and arranged opposing the sensor case via the film; an infrared detection element and a temperature compensation element arranged on the film, wherein the light guiding region and the light shielding region have substantially symmetrical forms with respect to the partition wall.05-22-2014

Tomohiro Maruyama, Saitama JP

Patent application numberDescriptionPublished
20120017637AIR CONDITIONING DEVICE FOR VEHICLE - Provided is a vehicle air conditioning device with a simple structure which can quickly raise the temperature of engine cooling water used for heating the air in a vehicle cabin in an engine start period in a low ambient temperature. The vehicle air conditioning device comprises the following elements integrally connected with each other: a first water heat exchanger (01-26-2012
20140020865HEAT EXCHANGER UNIT - A heat exchanger unit includes a heat exchanger main body in which a first heat exchanger and a second heat exchanger are arranged in series relative to a refrigerant flowing direction and an air flowing direction, the heat exchanger main body including on one side thereof an external connection portion configured to supply at least refrigerant and on the other side thereof a communicating portion configured to communicate the first heat exchanger and the second heat exchanger, and a bypass flow path extending from the one side to the other side of the heat exchanger main body, configured to bypass the first heat exchanger, at least one of the first heat exchanger and the second heat exchanger includes a pair of tank sections disposed at an interval, and a plurality of first heat transfer tubes configured to connect a pair of tank sections.01-23-2014

Toyohiro Maruyama, Saitama JP

Patent application numberDescriptionPublished
20150295645VISIBLE LIGHT COMMUNICATION TERMINAL - A housing body of a visible light communication terminal houses a light receiving unit configured to receive a visible light communication signal to convert the received visible signal to an electrical signal, an output unit configured to output information obtained from the visible light communication signal, and a power supply unit configured to supply power to the light receiving unit and the output unit. An ear hooking part is curved in an arc-like shape and is attached at one end thereof to the housing body, and is configured to fit the housing body to an auricle by being hooked onto the auricle and together with the housing body sandwiching the auricle therebetween. The light receiving unit is located on a portion of the housing body on an upper side thereof in a vertical direction in a state where the housing body is fitted to the auricle.10-15-2015

Yohei Maruyama, Saitama JP

Patent application numberDescriptionPublished
20130261925TRACTION CONTROL DEVICE AND METHOD FOR A MOTORCYCLE - A traction control device for a motorcycle eliminates a need for a waiting time for detecting an amount of change in a vehicle state and a subsequent prediction time, and can execute quick traction control. The traction control device includes an engine driving force control unit, for calculating a real slip ratio of the motorcycle, setting a target slip ratio according to a driving state of the motorcycle, and controlling a driving force of an engine so that the real slip ratio becomes the target slip ratio. The traction control device also includes a throttle grip opening degree sensor for detecting an opening degree of a throttle grip; and a bank angle sensor for detecting a bank angle of the motorcycle. The engine driving force control unit calculates the target slip ratio on a basis of the throttle opening degree and the bank angle of the motorcycle.10-03-2013
20140242750POLISHING SLURRY, AND POLISHING METHOD - The present invention provides a polishing slurry capable of polishing even high-hardness materials such as silicon carbide and gallium nitride at a high polishing speed. The present invention is a polishing slurry including a slurry containing a manganese oxide particle and a manganate ion for polishing high-hardness materials having a Mohs hardness of 8 or higher. In the present invention, the manganese oxide particle in the slurry is preferably 1.0 mass % or more; the manganese oxide is preferably manganese dioxide; and the manganate ion is preferably permanganate ion. The polishing slurry according to the present invention enables even high-hardness hardly-machinable materials such as silicon carbide and gallium nitride to be polished smoothly at a high speed.08-28-2014

Yohji Maruyama, Saitama JP

Patent application numberDescriptionPublished
20110090602HEAD-GIMBAL ASSEMBLY INCLUDING A TRANSMISSION-LINE STRUCTURE FOR HIGH-DENSITY MAGNETIC RECORDING - A head-gimbal assembly. The head-gimbal assembly includes a suspension, a head-slider coupled to the suspension, a magnetic-recording assistance element on the head-slider for applying an electromagnetic wave to a magnetic-recording disk, and a transmission line on the suspension for transmitting signals to the magnetic-recording assistance element. The transmission line includes an electrically conductive line for transmitting the signals, an upper shield placed above the electrically conductive line along the electrically conductive line, a lower shield placed below the electrically conductive line along the electrically conductive line, and a plurality of columns arranged at each of a right side and a left side of the electrically conductive line along the electrically conductive line for connecting the upper shield and the lower shield. The plurality of columns arranged at the right and left sides includes, respectively, a right linear array of columns and a left linear array of columns.04-21-2011
20110116192HEAD-SLIDER INCLUDING THIN-FILM MAGNETIC-RECORDING HEAD HAVING REDUCED THERMAL PROTRUSION - A head-slider. The head-slider includes a slider, and a thin-film magnetic-recording head. The thin-film magnetic-recording head includes: a read element; a write element; a non-magnetic insulating protective layer disposed around both read and write elements; a resist disposed at a position further away from an air-bearing surface than the read element; and, a hard-material member including a material selected from the group consisting of silicon carbide and tungsten, which is disposed at a position further away from the air-bearing surface than the read element and the write element. Both an end of the resist and an end of the hard-material member overlap the write element when viewed in a stacking direction. A ratio of a distance from the air-bearing surface to a deepest end of the hard-material member to a distance from the air-bearing surface to a deepest end of the resist is at least 0.9.05-19-2011
20110249359MAGNETIC HEAD HAVING AN ASYMMETRICAL SHAPE AND SYSTEMS THEREOF - A magnetic head, according to one embodiment, includes a main magnetic pole having a protruding portion such that a distance from a first side of a trailing edge of the main magnetic pole to a leading edge of the main magnetic pole is different from a distance from a second side of the trailing edge of the main magnetic pole to the leading edge of the main magnetic pole, an auxiliary magnetic pole, and a coil wound around a magnetic circuit, the magnetic circuit including the main magnetic pole and the auxiliary magnetic pole. In another embodiment, a disk drive system includes a magnetic storage medium, at least one magnetic head as described previously for writing to the magnetic medium, a slider for supporting the magnetic head, and a control unit coupled to the magnetic head for controlling operation of the magnetic head. Additional systems and heads are also presented.10-13-2011
20120120528NOISE AND PARTICLE SHIELD FOR CONTACT SENSOR IN A SLIDER - A slider comprising a contact sensor element configured to respond to a change in resistance due to a change in temperature, and a shield structure. The shield structure comprises a lower thermal conductivity than the contact sensor element and a greater hardness than the contact sensor element.05-17-2012
20150103437MICROWAVE- ASSISTED RECORDING HEAD WITH STABLE OSCILLATION - A magnetic recording head for microwave-assisted magnetic recording is disclosed. In one embodiment, a magnetic recording head is for applying a magnetic field from a main pole of said magnetic recording head for recording data to a disk. Further comprising a spin torque oscillator adjacent to said magnetic recording head and is for generating a high-frequency magnetic field at a stable frequency and amplitude. Further comprising a capacitor connected to an upper electrode of said spin torque oscillator via a first resistor and a lower electrode of said spin torque oscillator via a second resistor.04-16-2015

Patent applications by Yohji Maruyama, Saitama JP

Yoji Maruyama, Saitama JP

Patent application numberDescriptionPublished
20080198507Magnetic head and method of manufacturing the same - Embodiments of the present invention help to suppress broadening of a write field of a main pole of a perpendicular recording head and realize high-quality write operation. According to one embodiment, a main pole of a write head extends to an air bearing surface or a medium-facing surface and has an inverted trapezoid in cross-section. First soft magnetic films called side shields are separately disposed through a nonmagnetic film on both sides of the main pole. The air bearing surface side end of the first soft magnetic film is provided to recede from the air bearing surface. The first soft magnetic film and the main pole are formed in the same layer. A second soft magnetic film called a trailing shield is provided above the main pole on the air bearing surface side via a nonmagnetic film.08-21-2008
20080231994Perpendicular recording magnetic head - Embodiments of the present invention provide a perpendicular recording magnetic head having a narrow track width, high recording magnetic field intensity, and a good recording magnetic field distribution. According to one embodiment, a perpendicular recording magnetic head includes a read section and a write section. The write section includes a main magnetic pole layer, a lower sub magnetic pole layer, an upper sub magnetic pole layer, a pedestal magnetic layer, and a coil conductor generating a magnetic flux in the main magnetic pole layer. The write section further includes lower and upper auxiliary magnetic pole layers disposed on a leading side and a trailing side, respectively, relative to a medium moving direction, adjacent to the main magnetic pole layer. The lower and upper auxiliary magnetic pole layers are retracted from an air bearing surface. The upper auxiliary magnetic pole layer is retracted from the air bearing surface less than the lower auxiliary magnetic pole layer.09-25-2008
20090059427Perpendicular magnetic recording head and method for manufacturing the same - Embodiments of the present invention help to provide a perpendicular magnetic recording head capable of writing a signal in a track having a small width. According to one embodiment, a perpendicular magnetic recording head includes an auxiliary pole, a main pole, a yoke, a coil, a first soft magnetic film and a second soft magnetic film. The yoke is in contact with the main pole. The coil is wound around a magnetic circuit composed of the auxiliary and main poles and the yoke. The first soft magnetic film is provided on both sides of the main pole with a non-magnetic film provided between the first soft magnetic film and the main pole. The second soft magnetic film is provided on the trailing side of the main pole with the non-magnetic film provided between the second soft magnetic film and the main pole. The first and second soft magnetic films are two types of plated magnetic films. One type of the plated magnetic films have respective thicknesses of 0.5 nm to 20 nm and respective body centered cubic lattice crystal structures. The other types of the plated magnetic films have respective thicknesses of 0.5 nm to 20 nm and respective face centered cubic lattice crystal structures. The two types of the plated magnetic films are alternately laminated with four or more layers. This can achieve the magnetic disk drive capable of reducing a possibility to erroneously delete a signal after the signal being written and preventing degradation of characteristics of a high frequency signal.03-05-2009
20090154014Thin film magnetic head and manufacturing method thereof - Embodiments of the present invention improve the recording density of a magnetic disk drives by providing a write head capable of writing adequately on a narrow trackwidth and high coercivity recording media. According to one embodiment, a thin film magnetic head has a write head which comprises at least a main magnetic pole, a yoke and a return pole, wherein a magnetic film which constitutes at least a part of the main magnetic pole, the yoke or the return pole is formed by alternately plating first magnetic layers and second magnetic layers, each of the first magnetic layer being of the body-centered cubic phase and containing at least two of elements Co, Ni and Fe, and each of the second magnetic layer being of the face-centered cubic phase and containing at least two of elements Co, Ni and Fe. The thin-film magnetic head can attain high Bs even if the magnetic film is thinned. In addition, high μ can be attained even when the recording frequency is high.06-18-2009
20090290257MAGNETIC HEAD FOR PERPENDICULAR RECORDING AND MAGNETIC RECORDING APPARATUS - To enable high density recording, improvements to the distribution of the magnetic field originating from a perpendicular recording magnetic head with a narrow track width, high resolution, and narrow erase width were made. According to one embodiment, a perpendicular recording magnetic head is provided with a write head which comprises a main pole layer, an auxiliary pole layer, a first subsidiary pole layer, a second subsidiary pole layer, a pedestal-like soft magnetic layer and a coil. Trailing and leading throat heights are controlled so as to make the trailing throat height shorter than the leading throat height wherein the trailing throat height is the throat height of the main pole layer's medium-tracking trailing side (top side as viewed in the film thickness direction) while the leading throat height is the throat height of the main pole layer's medium-tracking leading side (bottom side as viewed in the film thickness direction).11-26-2009
20100053812MAGNETIC HEAD FOR RECORDING MAGNETIC DATA BY CHANGING THE MAGNETIZATION DIRECTION OF A MAGNETIC RECORDING LAYER OF A MAGNETIC MEDIUM - According to one embodiment, a magnetic head for recording magnetic data by changing the magnetization direction of a magnetic recording layer of a magnetic medium comprises a magnetic pole for generating a magnetic field to change the magnetization direction of the magnetic recording layer, and a facing electrode pair for generating an electromagnetic field and applying energy to the magnetic recording layer to assist the change of the magnetization direction of the magnetic recording layer caused by the magnetic field from the magnetic pole. Other embodiments are also presented.03-04-2010

Patent applications by Yoji Maruyama, Saitama JP

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