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Masato Tanaka

Masato Tanaka, Tagata-Gun JP

Patent application numberDescriptionPublished
20090123176POLYVINYL ACETAL RESIN, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - The present invention relates to a polyvinyl acetal resin having a specific repeating structural unit, an electrophotographic photosensitive member using the polyvinyl acetal resin, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member.05-14-2009
20090208247ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member is provided in which both a potential variation over a long time period and a potential variation within a short time period are suppressed. A method of producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member are also provided. In the electrophotographic photosensitive member, an intermediate layer is a layer formed by coating and drying a coating liquid for an intermediate layer, containing an acidic titania sol and an organic resin, and the acidic titania sol is an acidic sol containing anatase-type titanium oxide crystal particles having an average primary particle diameter of 3 nm or more and 9 nm or less.08-20-2009
20110045390ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member having a support and a photosensitive layer formed on the support, wherein the photosensitive layer contains a boron complex which is a product of the reaction of a compound having a phenolic hydroxyl group and a carbonyl group with a boron halide. Also disclosed are a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member.02-24-2011
20110076614METHOD OF DRYING ORGANIC PIGMENT, METHOD OF PROCESSING PHTHALOCYANINE PIGMENT, AND METHOD OF MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method of drying an organic pigment is provided which includes an under-depressurization microwave drying step of irradiating the organic pigment with microwaves under depressurization and drying the organic pigment. A method of processing a phthalocyanine pigment and a method of manufacturing an electrophotographic photosensitive member are also provided each of which utilizes the drying method.03-31-2011
20110129768ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING THE SAME, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - According to aspects of the present invention, an electrophotographic photosensitive member includes a surface layer comprising a cured resin obtained by polymerizing a compound having at least one polymerizable functional group. Aspects of the present invention provide an electrophotographic photosensitive member whose surface layer comprises a compound (urea derivative) having a certain structure, a method for producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus including the electrophotographic photosensitive member.06-02-2011
20110293323ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member is provided in which both a long-term potential variation and a short-term potential variation are suppressed, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member are also provided. The intermediate layer of the electrophotographic photosensitive member includes an organic resin and rutile-type titanium oxide crystal particles which contain tin and have an average primary particle diameter of 3 nm or more and 9 nm or less.12-01-2011
20110300474ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - An electrophotographic photosensitive member having a surface layer containing a polymeric product obtained by polymerizing a specific adamantane compound, a process cartridge and an electrophotographic apparatus which have the electrophotographic photosensitive member, and a process for producing the electrophotographic photosensitive member.12-08-2011
20120003576ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - The charge generation layer of an electrophotographic photosensitive member is made to contain a specific amine compound in order to provide an electrophotographic photosensitive member that can output images that are practically free from an image flaw or have less image flaws attributable to a ghost phenomenon under low temperature and low humidity environment and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member.01-05-2012
20120033994ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member is provided in which both a long-term potential variation and a short-term potential variation are suppressed, a method for producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member are also provided. An intermediate layer of the electrophotographic photosensitive member is formed by applying a coating liquid for the intermediate layer, which contains an organic resin and a rutile-type acidic titania sol containing tin, and drying the applied coating liquid.02-09-2012
20120301177ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND UREA COMPOUND - An electrophotographic photosensitive member that includes the outermost surface layer formed by curing a mixture of a charge transporting substance having a chain-polymerizable functional group and a urea compound represented by the following formula (1) or (2), and a process cartridge and an electrophotographic apparatus each including the electrophotographic photosensitive member.11-29-2012
20120301178ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member having a surface layer that contains a polymer produced by the polymerization of a compound having a chain-polymerizable functional group. The compound having a chain-polymerizable functional group is a compound represented by the formula (1).11-29-2012
20120301179ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member has a surface layer that contains a urea compound having two or more urea moieties. Each of the urea moieties has a carbonyl group and two nitrogen atoms. Each of the two nitrogen atoms connects to an alkyl group and a substituted or unsubstituted aryl group or a substituted or unsubstituted arylene group.11-29-2012
20130137020ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member includes a support and a photosensitive layer. The electrophotographic photosensitive member includes a surface layer that contains a polymer produced by the polymerization of a compound having a chain-polymerizable functional group. The compound having a chain-polymerizable functional group is a compound represented by the following formula (1).05-30-2013
20130137021ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member has a surface layer that contains a polymer produced by the polymerization of a charge transporting substance having two or more methacryloyloxy groups per molecule. The surface layer contains a quinone derivative at a concentration of 5 ppm or more and 1500 ppm or less of the total mass of the polymer. The quinone derivative is a compound represented by the following formula (1) or a compound represented by the following formula (2) or both.05-30-2013
20130137023ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - In order to provide an electrophotographic photosensitive member with which a ghost is suppressed even under a low temperature and low humidity environment, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member, the electrophotographic photosensitive member has a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer and comprising a charge generating material and a hole transporting material, wherein the undercoat layer comprises a particular amine compound.05-30-2013
20130137024ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - In an electrophotographic photosensitive member having a surface layer containing a polymer obtainable by polymerization of a compound having a chain-polymerizable functional group, the compound having a chain-polymerizable functional group includes a compound represented by formula (1).05-30-2013
20130137025ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING PHTHALOCYANINE CRYSTAL, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS, AND PHTHALOCYANINE CRYSTAL - Provided is an electrophotographic photosensitive member including a support and a photosensitive layer formed on the support, in which the photosensitive layer includes a phthalocyanine crystal containing a compound satisfying the following formulae (A) and (B) in itself: 8.9≦δP≦10.7 (A) and −3.2≦L≦−1.5 (B) (in the formula (A), δP represents a polar term of Hansen Solubility Parameters, and in the formula (B), L represents an energy level (eV) of an LUMO (lowest unoccupied molecular orbital) obtained as a result of structural optimization calculation based on density functional calculation B3LYP/6-31G).05-30-2013
20130137026ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member includes a support, a charge-generating layer disposed on the support, and a charge-transporting layer disposed on the charge-generating layer, in which the charge-generating layer contains a charge-generating substance and a compound represented by the formula (1). A process cartridge includes the electrophotographic photosensitive member described above. An electrophotographic apparatus includes the electrophotographic photosensitive member described above.05-30-2013
20130137032METHOD OF PRODUCING GALLIUM PHTHALOCYANINE CRYSTAL AND METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER USING THE METHOD OF PRODUCING GALLIUM PHTHALOCYANINE CRYSTAL - Provided is a method of producing an electrophotographic photosensitive member having improved sensitivity and capable of outputting an image having less image defects due to a ghost phenomenon not only under a normal-temperature, normal-humidity environment but also under a low-temperature, low-humidity environment as a particularly severe condition. The method of producing a gallium phthalocyanine crystal includes subjecting a gallium phthalocyanine and a specific amine compound, which are added to a solvent, to a milling treatment to perform crystal transformation of the gallium phthalocyanine. In addition, the gallium phthalocyanine crystal is used in the photosensitive layer of the electrophotographic photosensitive member.05-30-2013
20140065530ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - A photosensitive layer of an electrophotographic photosensitive member includes a phthalocyanine pigment and a specific dicyanoethylene compound. Alternatively, the photosensitive layer and/or an undercoat layer of the electrophotographic photosensitive member include a specific dicyanoethylene compound, and the photosensitive layer includes the phthalocyanine pigment.03-06-2014
20140065531ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - A charge-generating layer of an electrophotographic photosensitive member includes a phthalocyanine pigment and a specific tricyanoethylene compound. Alternatively, the charge-generating layer and/or an undercoat layer of the electrophotographic photosensitive member includes a specific tricyanoethylene compound, and the charge-generating layer includes the phthalocyanine pigment.03-06-2014
20140106269ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PRODUCTION METHOD FOR ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND PARTICLE HAVING COMPOUND ADSORBED THERETO - Provided is an electrophotographic photosensitive member including a surface layer containing particles which include: silica particles; and a compound-A adsorbed to each of the silica particles, in which the silica particles have a volume average particle diameter of 0.1 μm or more and 4 μm or less, and a specific surface area of 400 m04-17-2014
20140141362ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member includes a support, an undercoat layer formed on the support, and a photosensitive layer which is formed on the undercoat layer and contains a charge generating substance and a hole transporting substance. The undercoat layer contains a specific amine compound, titanium oxide crystal particles having an average primary particle diameter of 3 nm or more and 15 nm or less and an organic resin.05-22-2014
20140141363ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. A surface layer of the electrophotographic photosensitive member contains a polymerized product of a composition that contains a charge transporting compound having a particular group (chain polymerizable functional group).05-22-2014
20140141364ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. A surface layer of the electrophotographic photosensitive member contains a polymerized product of a composition that contains a charge transporting compound having a particular group (polymerizable functional group).05-22-2014
20140170540ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - The photosensitive layer of an electrophotographic photosensitive member contains (a) a gallium phthalocyanine crystal, (b) a specific amine compound and (c) a specific polyvinylacetal resin.06-19-2014
20140170541ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - Provided is an electrophotographic photosensitive member including a charge-generating layer that includes: an amine compound represented by the formula (1) and a gallium phthalocyanine crystal, or a gallium phthalocyanine crystal containing the amine compound represented by the formula (1); and an arene compound, in which the arene compound includes at least one compound selected from the group consisting of a compound represented by the formula (2) and a compound represented by the formula (3).06-19-2014
20140170542ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS AND PHTHALOCYANINE CRYSTAL - The photosensitive layer of an electrophotographic photosensitive member contains a phthalocyanine crystal in which a compound represented by the following formula (1) is contained:06-19-2014
20140170543ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS AND PHTHALOCYANINE CRYSTAL - An electrophotographic photosensitive member includes a support and a charge generating layer and a charge transporting layer formed on the support. The charge generating layer contains a specific amine compound.06-19-2014
20140212801ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - A photosensitive layer or a charge generation layer of an electrophotographic photosensitive member contains a gallium phthalocyanine and a particular diamine compound such as 1,2-diaminoethane or 1,3-diaminopropane. The content of the particular diamine compound in the photosensitive layer or the charge generation layer is from 10 ppm to 1,000 ppm (mass ratio) based on the gallium phthalocyanine.07-31-2014
20140212804SOLUTION OF GALLIUM PHTHALOCYANINE METHOD FOR PREPARING THE SAME METHOD FOR PRODUCING GALLIUM PHTHALOCYANINE CRYSTAL METHOD FOR PURIFYING COMPOSITION CONTAINING GALLIUM PHTHALOCYANINE AND METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A solution of a gallium phthalocyanine contains a compound of formula (1) and a gallium phthalocyanine of formula (2),07-31-2014
20140308606ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS, AND GALLIUM PHTHALOCYANINE CRYSTAL - Provided is an electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member that can output an image having less image defects due to a ghost phenomenon not only under a normal-temperature, normal-humidity environment but also under a low-temperature, low-humidity environment as a particularly severe condition. The electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support, in which the photosensitive layer includes a gallium phthalocyanine crystal containing a specific amine compound in itself.10-16-2014
20140363759ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - In order to provide an electrophotographic photosensitive member with which a ghost is suppressed even under a low temperature and low humidity environment, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member, the electrophotographic photosensitive member has a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer and comprising a charge generating material and a hole transporting material, wherein the undercoat layer comprises a particular amine compound.12-11-2014
20150093693ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member, including a support, a charge generating layer on the support, and a charge transporting layer on the charge generating layer, wherein the charge generating layer includes a gallium phthalocyanine crystal, a nitrogen-containing heterocyclic compound having a nitrogen atom having a substituent, and a compound represented by Formula (1) or (2).04-02-2015
20150093694ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member, comprising a support, a charge generating layer on the support and a charge transporting layer on the charge generating layer, wherein the charge generating layer comprises a gallium phthalocyanine crystal, a nitrogen-containing heterocyclic compound and a compound represented by Formula (1), wherein a nitrogen atom in a heterocyclic ring of the nitrogen-containing heterocyclic compound has a substituent.04-02-2015
20150147691ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR MANUFACTURING THE SAME, ELECTROPHOTOGRAPHIC APPARATUS, PROCESS CARTRIDGE, AND HYDROXYGALLIUM PHTHALOCYANINE CRYSTAL - A photosensitive layer of an electrophotographic photosensitive member contains a hydroxygallium phthalocyanine crystal of a crystalline form having peaks at Bragg angles 2θ±0.2° of 7.0°, 16.6°, 20.8°, and 26.9° in X-ray diffraction with CuKα radiation.05-28-2015

Patent applications by Masato Tanaka, Tagata-Gun JP

Masato Tanaka, Nagano-Shi JP

Patent application numberDescriptionPublished
20090135574WIRING BOARD, SEMICONDUCTOR DEVICE HAVING WIRING BOARD, AND METHOD OF MANUFACTURING WIRING BOARD - The present disclosure relates to a method of manufacturing a wiring board. The method includes: (a) preparing a first board having a pad; (b) providing an insulating member on the first board, wherein a size of the insulating member is larger than that of the first board, when viewed from the top; (c) forming a via in the insulating member such that the via is directly connected to the pad; and (d) repeatedly forming a wiring layer and an insulating layer on the insulating member in which the via is formed, thereby forming a second board.05-28-2009
20110010932WIRING BOARD, SEMICONDUCTOR DEVICE HAVING WIRING BOARD, AND METHOD OF MANUFACTURING WIRING BOARD - The present disclosure relates to a method of manufacturing a wiring board. The method includes: (a) preparing a first board having a pad; (b) providing an insulating member on the first board, wherein a size of the insulating member is larger than that of the first board, when viewed from the top; (c) forming a via in the insulating member such that the via is directly connected to the pad; and (d) repeatedly forming a wiring layer and an insulating layer on the insulating member in which the via is formed, thereby forming a second board.01-20-2011
20110207346SOCKET AND SEMICONDUCTOR DEVICE INCLUDING SOCKET AND SEMICONDUCTOR PACKAGE - A socket includes: a circuit board; a plurality of connection terminals disposed on the circuit board; a plurality of contacts each fixed to a corresponding one of the connection terminals, wherein each of the contacts is formed of a conductive elastic member, each of the contacts comprising: a tail portion fixed to the corresponding connection terminal; an extending portion connected to the tail portion and extending in a direction substantially parallel with a surface of the circuit board; a rise portion connected to the extending portion and extending in a direction substantially perpendicular to the surface of the circuit board; and a tip portion connected to the rise portion.08-25-2011
20130249075SEMICONDUCTOR PACKAGE, SEMICONDUCTOR APPARATUS AND METHOD FOR MANUFACTURING SEMICONDUCTOR PACKAGE - A semiconductor package includes: a metal plate including a first surface, a second surface and a side surface; a semiconductor chip on the first surface of the metal plate, the semiconductor chip comprising a first surface, a second surface and a side surface; a first insulating layer that covers the second surface of the metal plate; a second insulating layer that covers the first surface of the metal plate, and the first surface and the side surface of the semiconductor chip; and a wiring structure on the second insulating layer and including: a wiring layer electrically connected to the semiconductor chip; and an interlayer insulating layer on the wiring layer. A thickness of the metal plate is thinner than that of the semiconductor chip, and the side surface of the metal plate is covered by the first insulating layer or the second insulating layer.09-26-2013
20130328211SEMICONDUCTOR PACKAGE, SEMICONDUCTOR DEVICE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR PACKAGE - A semiconductor device includes a semiconductor chip, a core substrate, first and second insulating layers, and first and second wiring layers. Adhesiveness of the insulating layer to a metal is higher than adhesiveness of the core substrate to the metal. A through hole extends through the insulating layer in the thickness direction. A through via covers the hole wall surface of the through hole, extends in the thickness direction traversing the insulating layer, and electrically connects the first and second wiring layers.12-12-2013
20150179560Wiring Substrate and Semiconductor Device - A wiring substrate includes first and second wiring structures. The first wiring structure includes a core substrate, first and second insulation layers each formed from a thermosetting insulative resin including a reinforcement material, and a via wire formed in the first insulation layer. The second wiring structure includes a wiring layer formed on upper surfaces of the first insulation layer and the via wire, an insulation layer formed on the upper surface of the first insulation layer, and an uppermost wiring layer including a pad used to electrically connect a semiconductor chip and the wiring layer. An outermost insulation layer stacked on a lower surface of the second insulation layer exposes a portion of a lowermost wiring layer stacked on the lower surface of the second insulation layer as an external connection pad. The second wiring structure has a higher wiring density than the first wiring structure.06-25-2015
20150181703Wiring Substrate and Semiconductor Device - A wiring substrate includes first and second wiring structures. The first wiring structure includes a core substrate, first and second insulation layers formed from a thermosetting insulative resin respectively including first and second reinforcement materials, and a via wire formed in the first insulation layer. The second wiring structure includes a third insulation layer formed on an upper surface of the first insulation layer and an upper end surface of the via wire, and a wiring layer extended through the third insulation layer and electrically connected to the via wire. The outermost insulation layer, the main component of which is a photosensitive resin, is stacked on a lower surface of the second insulation layer. The second wiring structure has a higher wiring density than the first wiring structure. The first reinforcement material is partially exposed on the upper surface of the first insulation layer.06-25-2015

Patent applications by Masato Tanaka, Nagano-Shi JP

Masato Tanaka, Kyoto JP

Patent application numberDescriptionPublished
20100077926DUST CAPTURE DEVICE AND PROJECTION TYPE IMAGE DISPLAY APPARATUS - The present invention includes: a rolled filter stretched between first and second winding shafts and, unused part of the filter being wound around the second winding shaft; a brush provided between the first and the second winding shafts so as to come into contact with a surface of the filter; a feeding mechanism for driving the first and the second winding shafts to take up or rewind the filter; and a feeding control unit for controlling the feeding mechanism. When activating a renewing operation for feeding unused part of the filter from the second winding shaft, the feeding control unit controls the feeding mechanism such that once the filter is taken up by the first winding shaft by an take-up amount La, the filter is rewound by the second winding shaft by a rewind amount Lb, and La and Lb satisfy a relationship La≧Lb. Without increasing the amount of the filter or the size of the device itself, the present invention can deliver adequate performance even in a dusty environment by a small number of filter renewing operations.04-01-2010
20100108106SUBSTRATE CLEANING APPARATUS - A chemical solution is mixed to deionized water from a chemical cartridge 05-06-2010
20140160449HOUSING FOR PROJECTION DISPLAY DEVICE AND PROJECTION DISPLAY DEVICE INCLUDING HOUSING FOR PROJECTION DISPLAY DEVICE - The shield includes: a first dust-proof wall that is shiftable integrally with the projection lens, and has width a1 projecting from the projection lens to an A side; and a second dust-proof wall that is slidable within a range regulated by the regulator, and has length b1 on the A side. When the second dust-proof wall has length c2 shiftable to a B side, the projection lens and the second dust-proof wall form a space having length d1 on the A side, and the projection lens and the frame form a space having length e1 on the A side, a1≧d1, b1≧e1−d1, and b1+d1−e1≧c2 are satisfied.06-12-2014

Patent applications by Masato Tanaka, Kyoto JP

Masato Tanaka, Fukuoka JP

Patent application numberDescriptionPublished
20100092750HIGH-DURABILITY SLEEVE BRICKS - Disclosed is a magnesia-carbon based sleeve brick for steelmaking converters, which is obtained by adding, to a refractory raw material mix containing 60 to 95 mass % of a magnesia raw material and 5 to 20 mass % of graphite, a metal powder of one or more selected from the group consisting of Al, Si, Mg, Ca, Cr and an alloy thereof, in an amount of greater than 3 to 6 mass %, and an organic binder, in addition to 100 mass % of the refractory raw material mix, and subjecting the resulting mixture to kneading, forming and heat treatment, wherein the sleeve brick is used under a condition that a thickness thereof is set at 70 mm or less. This makes it possible to prevent cracking which would otherwise occur in the sleeve brick itself, to allow the sleeve brick to have enhanced durability. One or more selected from the group consisting of B, B04-15-2010

Masato Tanaka, Kanagawa JP

Patent application numberDescriptionPublished
20080212091Light source unit and spectrum analyzer - A light source unit and a spectrum analyzer are provided in which the influence of interference can be reduced under conditions where light is separated into spectral components. A spectrum analyzer 09-04-2008
20080252880Device for inspecting hollow-body cavity - Provided is a hollow-body cavity inspection device for inspecting a hollow-body cavity filled with a limited-wavelength transparent medium. The hollow-body cavity inspection device is capable of multifunction in addition to acquisition of an image and comprises: (1) one or more light sources for emitting two or more inspection light beams of different characteristics; (2) a light transmitting member for transmitting the two or more inspection light beams to an inspection objective in a hollow-body cavity and transmitting the reflected/scattered light from the inspection objective to the outside of the hollow-body; and (3) an inspection data formation means for receiving the reflected/scattered light and forming inspection information therefrom, wherein the two or more inspection light beams include first inspection light having its main wavelength bandwidth at the transmittable wavelength band, and the inspection data formation means comprises a plurality of means for outputting inspection information differing according to each of the two or more inspection light beams.10-16-2008
20090184247METHOD OF INSPECTING FOOD AND INSPECTION APPARATUS IMPLEMENTING THE SAME - A method of inspecting food which can evaluate quality of the food with improved precision includes steps of irradiating probing light having near infrared wavelengths on the food; detecting light diffusively reflected by the food to obtain a reflectance spectrum; obtaining an absorbance spectrum based on the reflectance spectrum; and evaluating the food using the reflectance spectrum and the absorbance spectrum. An apparatus for implementing the method includes: a light source unit to generate probing light which has near infrared wavelengths and illuminates the food; a detector unit to detect light diffusively reflected by the food to obtain a reflectance spectrum of the food; and a processing unit to evaluate the food based on the reflectance spectrum and an absorbance spectrum calculated from the reflectance spectrum.07-23-2009
20090185163APPARATUS FOR INSPECTING FOOD - A food inspection apparatus 07-23-2009
20090185164METHOD OF INSPECTING FOOD AND INSPECTION APPARATUS IMPLEMENTING THE SAME - A food inspection apparatus of the present invention, which allows the improvement of throughput, comprises a light source unit 07-23-2009
20090185165METHOD OF INSPECTING FOOD AND INSPECTION APPARATUS IMPLEMENTING THE SAME - A food inspection apparatus of the present invention, which allows throughput improvement, comprises a light source unit 07-23-2009
20090312644VITAL TISSUE DISCRIMINATION DEVICE AND METHOD - A vital tissue discrimination device, which includes infrared spectrum acquiring section (12-17-2009

Patent applications by Masato Tanaka, Kanagawa JP

Masato Tanaka, Yokohama-Shi JP

Patent application numberDescriptionPublished
20090095890BROADBAND LIGHT SOURCE UNIT AND OPTICAL ANALYZER - The invention offers a broadband light source unit that produces using a simple system a supercontinuum lightwave having a flat spectral form and an optical analyzer using the unit. The broadband light source unit has a light source that outputs a first source lightwave, which is a pulse lightwave having periodic pulses with a constant intensity, a conversion means that receives the first source lightwave, produces a second source lightwave having pulses whose intensities are different from one another, and outputs it, and a nonlinear optical medium section that receives the second source lightwave, produces a supercontinuum lightwave having a wavelength band broadened through a nonlinear optical phenomenon, and outputs it. The optical analyzer has the foregoing broadband light source unit, a light-applying section that applies a supercontinuum lightwave outputted from the broadband light source unit to a light-receiving region of a measurement-undergoing object, and an image pickup section that receives a lightwave generated at the light-receiving region by the application of the supercontinuum lightwave and picks up an image of the measurement-undergoing object.04-16-2009
20120101391BLOOD VESSEL WALL ANALYZING DEVICE AND BLOOD VESSEL WALL ANALYZING METHOD - The present invention relates to a blood vessel wall analyzing apparatus provided with a structure enabling accurate measurement of plaque components in a blood vessel wall in a state that reduces the burden on a patient. In the blood vessel wall analyzing apparatus (04-26-2012
20140071434OPTICAL TOMOGRAPHIC IMAGE ACQUISITION APPARATUS - The optical tomographic image acquisition apparatus is based on FD-OCT. A detection unit 03-13-2014
20140233030SPECTRAL IMAGING DEVICE ADJUSTMENT METHOD AND SPECTRAL IMAGING SYSTEM - A method of adjusting a spectroscopic imaging device is provided with which a relative arrangement relationship among components can be easily adjusted in the spectroscopic imaging device. A spectroscopic imaging device 08-21-2014
20150077748SPECTROSCOPIC IMAGING DEVICE ADJUSTING METHOD AND SPECTROSCOPIC IMAGING SYSTEM - A spectroscopic imaging device adjusting method adjusts a relative arrangement relationship among a collimating lens, a diffraction grating, a condensing lens and an array type light receiving part so as to maximize the value of the following expression (1) for an output values ƒ03-19-2015
20150077757OPTICAL TOMOGRAPHIC IMAGE ACQUIRING DEVICE - An optical tomographic image acquiring device which can suppress the occurrence of an artifact, and which can obtain an exact optical tomographic image of a measurement object includes a light source, a detector, an analysis unit, a circulator, a coupler, condensing lenses, optical fibers, and a reference mirror. Let Δk be a maximum value of intervals in wavenumber of lights received by adjacent two light receiving elements in the detector, an optical path length L03-19-2015
20150173607METHOD FOR ACQUIRING OPTICAL TOMOGRAPHIC IMAGE - A method for acquiring an optical tomographic image is disclosed. The method acquires the optical tomographic image based on a result of a Fourier transform of an interference light spectrum obtained by dividing light into first branched light and second branched light and causing mutual interference between reflected light and diffused reflected light. The reflected light arises at a reflecting body when the first branched light is irradiated onto the reflecting body. The diffused reflected light arises when the second branched light is irradiated onto an examination region. The acquisition method includes: acquiring a first optical tomographic image when an examination object is arranged in the examination region; acquiring a second optical tomographic image when the examination object is not arranged in the examination region; and acquiring the optical tomographic image based on a difference between the first optical tomographic image and the second optical tomographic image.06-25-2015

Patent applications by Masato Tanaka, Yokohama-Shi JP

Masato Tanaka, Chiba JP

Patent application numberDescriptionPublished
20080240707Actuator, shutter driving device for camera and method of manufacturing actuator - An actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with different magnetic poles in a circumferential direction, and rotated by magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a member. The outputting member fits onto the rotor, and the rotor has at least one of a recess portion and a projection portion at a fitting surface of the rotor. The outputting member is jointed with the rotor so as to have a shape corresponding to the at least one of the recess portion and the projection portion by welding.10-02-2008
20140361948ANTENNA SYSTEM - Discussed herein is an antenna system that comprises a feed element and a radiating element that are formed on a dielectric substrate positioned above a circuit board which includes a feed circuit and a ground layer. Specifically, the feed element is disposed within an outer periphery defined by the radiating element. A capacitive coupling is formed between the feed element and the radiating element. With the aforesaid configuration, the antenna system is less affected by the circuit board and interference from other elements that are mounted on the circuit board. Further, manufacturing costs are reduced as compared to the case where the feed element and the radiating element are respectively formed on a front and rear surface of a resin layer.12-11-2014
20150194723ANTENNA-EQUIPPED CONNECTOR - An antenna-equipped connector comprising a plug having separate conductive portions and configured to be received by an audio output jack of an electronic device, a jack configured to connect to the conductive portions of the plug via respective of at least two conductive lines, an antenna connection node that branches from a branching point on one of the at least two conductive lines, and an antenna connected to the antenna connection node.07-09-2015

Patent applications by Masato Tanaka, Chiba JP

Masato Tanaka, Niigata-Shi JP

Patent application numberDescriptionPublished
20110123680MICROCAPSULE, PROCESS FOR PRODUCTION THEREOF, AND FOOD OR BEVERAGE CONTAINING MICROCAPSULE - The method of producing microcapsules 05-26-2011
20130009331PROCESS FOR PRODUCTION OF COMPOSITE FINE PARTICLES WITH HETEROGENEOUS SURFACES - Provided is a process for production of composite fine particles with heterogeneous surfaces. The process ensures a high productivity and enables a voluntary control of particle diameters. Further, the process imposes no restrictions on heterogeneous substances added for functional expression, and allows a heterogeneous substance to be encapsulated in central portions of composite fine particle spheres. A composite film obtained by laminating two or more kinds of films is cut into minute pieces, followed by melting the same to obtain spherical minute pieces. Particularly, liquid films are separately formed with two or more kinds of liquids containing polymerizable monomers. Further, two or more kinds of films can thereby be obtained through polymerization. The two or more kinds of films thus obtained are then laminated to further allow polymerization to take place, thus obtaining the composite film.01-10-2013

Masato Tanaka, Niigata JP

Patent application numberDescriptionPublished
20110159152MICROCAPSULES, METHOD OF PRODUCING THE MICROCAPSULES AND FOOD AND DRINK CONTAINING THE MICROCAPSULES - A method of producing microcapsules that comprises an emulsification step in which a fat-soluble substance and a sodium alginate aqueous solution are mixed to obtain an emulsified liquid in which there are dispersed emulsified particles composed of the fat-soluble substance and having a mean particle size of not greater than 800 nm, and a spraying step in which the emulsified liquid is sprayed into a calcium ion-containing solution to obtain microcapsules in which the emulsified particles are encapsulated.06-30-2011
20140197564METHOD FOR PRODUCING FINE PARTICLES - Provided is a method for producing fine particles in which fine particles having a uniform particle size distribution can be simply obtained with a low environmental load. The present invention relates to a method for producing fine particles including the step of preparing minute pieces by cutting a resin film at equal intervals into a width of 0.05 to 500 μm.07-17-2014

Masato Tanaka, Nagano JP

Patent application numberDescriptionPublished
20110187002SEMICONDUCTOR DEVICE AND ITS MANUFACTURE METHOD - A support substrate includes a first surface and a second surface located above the level of the first surface. Chips are mounted on the first surface. A first insulating film is disposed over each chip. First conductive plugs are connected to the chip extending through each first insulating film. Filler material made of resin filling a space between chips. Wirings are disposed over the first insulating film and the filler material for interconnecting different chips. The second surface, an upper surface of the first insulating film and an upper surface of the filler material are located at the same level.08-04-2011
20120021625SOCKET AND METHOD OF FABRICATING THE SAME - A socket detachably connects a connecting item to a substrate via connecting terminals. The socket includes a support member with first and second surfaces to fix the connecting terminals, and penetrating holes formed in the support member. Each connecting terminal includes first and second connecting parts formed on opposite ends thereof. Each connecting terminal is inserted into a corresponding penetrating hole in a state in which the first connecting part is fixed to the first surface and the second connecting part projects from the second surface of the support member.01-26-2012
20120187557SEMICONDUCTOR PACKAGE AND METHOD FOR MANUFACTURING SEMICONDUCTOR PACKAGE - A semiconductor package includes a semiconductor chip including a circuit forming surface and a side surface, and a sealing insulation layer that seals the circuit forming surface and the side surface of the semiconductor chip, the sealing insulation layer having a first surface on a side of the circuit forming surface. At least one wiring layer and at least one insulation layer are formed one on top of the other on the first surface. The wiring layer formed on the first surface is electrically connected to the semiconductor chip. The insulation layer has a reinforcement member installed therein.07-26-2012
20130154102SEMICONDUCTOR DEVICE AND ITS MANUFACTURE METHOD - A support substrate includes a first surface and a second surface located above the level of the first surface. Chips are mounted on the first surface. A first insulating film is disposed over each chip. First conductive plugs are connected to the chip extending through each first insulating film. Filler material made of resin filling a space between chips. Wirings are disposed over the first insulating film and the filler material for interconnecting different chips. The second surface, an upper surface of the first insulating film and an upper surface of the filler material are located at the same level.06-20-2013
20140311771WIRING BOARD - A wiring board includes first insulating layers and second insulating layers formed on a core layer in this order; a third insulating layer and a solder resist layer formed on another surface of the core layer in this order, first wiring layers and second wiring layers formed in the first insulating layers and the second insulating layers, respectively, wherein a first end surface of the first via wiring exposes from the first surface of the outermost first insulating layer to be directly connected with an outermost second wiring layer, the first via wiring and the outermost second wiring layer being separately formed, the first surface of the outermost first insulating layer and the first end surface of the first via wiring are polished surfaces, smooth surfaces and are flush with each other, and the wiring density of the second wiring layers is higher than that of the first wiring layers.10-23-2014
20150163899WIRING BOARD - A wiring board includes first insulating layers and second insulating layers formed on a core layer in this order; a third insulating layer and a solder resist layer formed on another surface of the core layer in this order, first wiring layers and second wiring layers formed in the first insulating layers and the second insulating layers, respectively, wherein a first end surface of the first via wiring exposes from the first surface of the outermost first insulating layer to be directly connected with an outermost second wiring layer, the first via wiring and the outermost second wiring layer being separately formed, the first surface of the outermost first insulating layer and the first end surface of the first via wiring are polished surfaces, smooth surfaces and are flush with each other, and the wiring density of the second wiring layers is higher than that of the first wiring layers.06-11-2015

Patent applications by Masato Tanaka, Nagano JP

Masato Tanaka, Saitama JP

Patent application numberDescriptionPublished
20110315467SADDLE RIDING TYPE VEHICLE - A saddle riding vehicle having an accelerator operator includes an accelerator operation amount detecting unit connected to a second end portion of an accelerator cable having a first end portion connected to the accelerator operator, the accelerator operation amount detecting unit is disposed at a location less susceptible to the effect from an external force and steering of the steering handlebar with a space to permit removal of screws and other parts that may be dropped during the assembly process. An accelerator operation amount detecting unit includes a rotatable member connected to an accelerator cable so as to be rotated according to displacement of the accelerator cable and a cover plate extending in a longitudinal direction to cover the rotatable member from an upward direction. The accelerator operation amount detecting unit is disposed near a head pipe.12-29-2011

Masato Tanaka, Kanuma-Shi JP

Patent application numberDescriptionPublished
20120040556CONNECTING MEMBER-TERMINATED MULTI-CORE COAXIAL CABLE AND METHOD FOR MANUFACTURE THEREOF - A multi-core coaxial cable is composed of includes a plurality of coaxial cables, each of which having an insulator, an outer conductor, and a sheath successively disposed in a coaxial arrangement around a center conductor, and which are collectively covered by a cable sheath. At one end portion of the multi-core coaxial cable, the plurality of coaxial cables are exposed from the cable sheath and arranged in parallel rows. A connecting member is connected to one end of the multi-core coaxial cable, and the center conductors and outer conductors of the plurality of coaxial cables are respectively conductively connected to terminal portions of the connecting member. The covering member is positioned covering the periphery of the plurality of coaxial cables between the cable sheath and the connecting member.02-16-2012
20130333943MULTI-CORE CABLE AND ALIGNING METHOD THEREFOR - One aspect of the invention relates to a multi-core cable in which a cable sheath covers plural electronic wires in each of which a central conductor is covered with a covering. In the multi-core cable, the electronic wires are exposed from a longitudinal end of the cable sheath, and distal ends of exposed portions of the plural electronic wires are parallel aligned, and the exposed portions of the plural electronic wires are fixed by a resin in a place within a range from the end of the cable sheath to a parallel aligned place.12-19-2013
20130341065MULTI-CORE CABLE - One embodiment provides a multi-core cable including: at least one ground wire which is arranged in a center or its vicinity in a cross section perpendicular to a length direction of the cable; plural insulated wires arranged in a periphery of the ground wire; an overall shield layer which covers a periphery of the insulated wires; and a sheath which covers a periphery of the overall shield layer.12-26-2013
20140014410MULTI-CORE CABLE ASSEMBLY - A multi-core cable assembly is formed by arranging a plurality of cables side by side and connecting the cables to a substrate 01-16-2014
20140069683MULTI-CORE CABLE - One embodiment is related to a multi-core cable. The multi-core cable includes: plural electric wire units in each of which plural coaxial electric wires or insulated electric wires are bundled; and a sheath collectively covering the electric wire units. The electric wire units are arranged so as to form plural layers around a center of the multi-core cable. And, each of the layers is stranded in the same direction at an equal pitch.03-13-2014
20140202729MULTI-CORE CABLE - A multi-core cable 07-24-2014
20150083458MULTI-CORE CABLE - In a multi-core cable 03-26-2015

Patent applications by Masato Tanaka, Kanuma-Shi JP

Masato Tanaka, Okayama-Shi JP

Patent application numberDescriptionPublished
20120321596KIT FOR ADHERING BIOLOGICAL HARD TISSUES - A kit for bonding to biological hard tissues, containing a phosphorylated polysaccharide, a polyvalent metal salt other than phosphates, and a solvent. The adhesive composition for biological hard tissues provided by the kit for bonding to biological hard tissues is suitably used in for medical uses, such as cement for bones or dental cement. In addition, since the adhesive composition has excellent bio-absorbability, it is useful as fusion materials for artificial joint prosthesis, fusion materials for spine fracture, fusion materials for extremity fracture, filling materials for bone tumors in the region of orthopedics, filling materials and restorative materials at dental caries-defective sites, luting materials for prosthetic restorative materials such as inlay and crown, pulp-capping and lining materials, implant surface treatment materials, periodontal disease therapeutic materials, hyperesthesia preventive materials, dental pulp capping materials, substrates for DDS, substrates for systems engineering, and tissue bonding materials in the dental region.12-20-2012

Masato Tanaka, Kawasaki-Shi JP

Patent application numberDescriptionPublished
20150205896INFORMATION PROCESSING DEVICE, METHOD AND PROGRAM - For each (ij)-th tensor component, an equation ΔF07-23-2015
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