Patents by Inventor Yutaka Fujita
Yutaka Fujita has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9392707Abstract: Provided is a display device that is exceptionally easy to assemble. A display device includes an electroconductive housing. A case body accommodates the display device. A connecting member causes electrification between the housing of the display device and a grounding part of a circuit substrate. The connecting member has a base part that contacts the housing, and an elastic contact armature that contacts the grounding part of the circuit substrate when the circuit substrate is secured to the case body. A securing member secures the display device to the case body so that the base part is held between the housing and the case body. The case body has an elastic locking armature for securing the circuit substrate. The case body has a through-hole through which the elastic contact armature of the connecting member is inserted.Type: GrantFiled: February 6, 2013Date of Patent: July 12, 2016Assignee: NIPPON SEIKI CO., LTD.Inventors: Yutaka Fujita, Yusuke Okaji
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Patent number: 9081146Abstract: A polarizing membrane according to an embodiment of the present invention includes a polyvinyl alcohol-based resin membrane containing a dichromatic substance. The polyvinyl alcohol-based resin membrane has an Nz coefficient of 1.10 or more and 1.50 or less.Type: GrantFiled: March 16, 2012Date of Patent: July 14, 2015Assignee: NITTO DENKO CORPORATIONInventors: Tatsuya Araki, Seiji Kondo, Yutaka Fujita, Atsushi Muraoka, Hiroaki Sawada
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Publication number: 20150029688Abstract: Provided is a display device that is exceptionally easy to assemble. A display device includes an electroconductive housing. A case body accommodates the display device. A connecting member causes electrification between the housing of the display device and a grounding part of a circuit substrate. The connecting member has a base part that contacts the housing, and an elastic contact armature that contacts the grounding part of the circuit substrate when the circuit substrate is secured to the case body. A securing member secures the display device to the case body so that the base part is held between the housing and the case body. The case body has an elastic locking armature for securing the circuit substrate. The case body has a through-hole through which the elastic contact armature of the connecting member is inserted.Type: ApplicationFiled: February 6, 2013Publication date: January 29, 2015Inventors: Yutaka Fujita, Yusuke Okaji
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Publication number: 20120243089Abstract: A polarizing membrane according to an embodiment of the present invention includes a polyvinyl alcohol-based resin membrane containing a dichromatic substance. The polyvinyl alcohol-based resin membrane has an Nz coefficient of 1.10 or more and 1.50 or less.Type: ApplicationFiled: March 16, 2012Publication date: September 27, 2012Applicant: NITTO DENKO CORPORATIONInventors: Tatsuya Araki, Seiji Kondo, Yutaka Fujita, Atsushi Muraoka, Hiroaki Sawada
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Patent number: 8155930Abstract: A simulation apparatus 10 carries out simulation for associated operation equipment 2 provided with a plurality of mobile devices 5a, 5b, 5c, 5d, 7a, 7b, and 7c for operating in association with each other, and a control device 9 with a storage unit for storing a control program in which operation procedures are determined for the mobile devices to output control signals to the mobile devices. The simulation apparatus includes a storage device 10a for storing a simulation program to carry out simulation of the associated operation of the mobile devices on the basis of the control signals, and an arithmetic operation device 10c for receiving the control signals to execute the simulation program on the basis of the control signals.Type: GrantFiled: June 12, 2007Date of Patent: April 10, 2012Assignee: IHI CorporationInventors: Dai Onishi, Yutaka Fujita
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Patent number: 7871665Abstract: The present invention pertains to a method of fabricating a polarizing film by uniaxially stretching a resin film such as a polyvinyl alcohol-based film in a fabrication process including a swelling step and a dyeing step following the swelling step, comprising the steps of immersing a resin film in bath liquids in at least two or more swelling baths in sequence in the above-mentioned swelling step, wherein at least a bath temperature of a swelling bath located at a Nth position from the front-stage side is set at a temperature which is higher than a bath temperature of a swelling bath located at a (N+M)th position by 3° C. or more (both N and M are specified positive integers).Type: GrantFiled: July 25, 2005Date of Patent: January 18, 2011Assignee: Nitto Denko CorporationInventors: Tomoaki Masuda, Kazuki Tsuchimoto, Yutaka Fujita
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Publication number: 20100206478Abstract: A method for producing a multilayer laminated film comprising: laminating a resin film having a moisture percentage of 10% by weight to 60% by weight with a first transparent film and a second transparent film each having a moisture percentage of 0.Type: ApplicationFiled: April 27, 2010Publication date: August 19, 2010Applicant: NITTO DENKO CORPORATIONInventors: Yutaka FUJITA, Kazuki TSUCHIMOTO, Morimasa WADA, Tomoyuki SENOO, Takafumi OOURA, Kentarou IKESHIMA, Tomoaki MASUDA
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Patent number: 7767047Abstract: A method for producing a multilayer laminated film comprising: laminating a resin film having a moisture percentage of 10% by weight to 60% by weight with a first transparent film and a second transparent film each having a moisture percentage of 0.Type: GrantFiled: July 12, 2007Date of Patent: August 3, 2010Assignee: Nitto Denko CorporationInventors: Yutaka Fujita, Kazuki Tsuchimoto, Morimasa Wada, Tomoyuki Senoo, Takafumi Ooura, Kentarou Ikeshima, Tomoaki Masuda
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Patent number: 7709578Abstract: An adhesive of the present invention is used for polarizing plate to provide a transparent protective film on at least one side of a polarizer and comprises a resin solution comprising a polyvinyl alcohol-based resin, a crosslinking agent and a leveling agent containing an acetylene skeleton-containing compound, wherein 0.01 to 10 parts by weight of the leveling agent is added to 100 parts by weight of the polyvinyl alcohol-based resin. The adhesive for polarizing plate can provide a satisfactory wettability when applied to transparent protective films and allows the production of polarizing plates to have water resistance at high temperature and satisfactory optical properties.Type: GrantFiled: November 11, 2008Date of Patent: May 4, 2010Assignee: Nitto Denko CorporationInventors: Masashi Shinagawa, Akiko Sugino, Yutaka Fujita, Masayuki Satake
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Publication number: 20090326891Abstract: A simulation apparatus 10 carries out simulation for associated operation equipment 2 provided with a plurality of mobile devices 5a, 5b, 5c, 5d, 7a, 7b, and 7c for operating in association with each other, and a control device 9 with a storage unit for storing a control program in which operation procedures are determined for the mobile devices to output control signals to the mobile devices. The simulation apparatus includes a storage device 10a for storing a simulation program to carry out simulation of the associated operation of the mobile devices on the basis of the control signals, and an arithmetic operation device 10c for receiving the control signals to execute the simulation program on the basis of the control signals.Type: ApplicationFiled: June 12, 2007Publication date: December 31, 2009Applicant: IHI CORPORATIONInventors: Dai Onishi, Yutaka Fujita
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Publication number: 20090122401Abstract: An adhesive of the present invention is used for polarizing plate to provide a transparent protective film on at least one side of a polarizer and comprises a resin solution comprising a polyvinyl alcohol-based resin, a crosslinking agent and a leveling agent containing an acetylene skeleton-containing compound, wherein 0.01 to 10 parts by weight of the leveling agent is added to 100 parts by weight of the polyvinyl alcohol-based resin. The adhesive for polarizing plate can provide a satisfactory wettability when applied to transparent protective films and allows the production of polarizing plates to have water resistance at high temperature and satisfactory optical properties.Type: ApplicationFiled: November 11, 2008Publication date: May 14, 2009Applicant: NITTO DENKO CORPORATIONInventors: Masashi SHINAGAWA, Akiko SUGINO, Yutaka FUJITA, Masayuki SATAKE
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Publication number: 20080216949Abstract: A heat-peelable double-faced pressure-sensitive adhesive sheet which comprises a substrate (a), a heat-peelable pressure-sensitive adhesive layer (b) formed on one side of the substrate (a) and containing heat-expandable microspheres, and a pressure-sensitive adhesive layer (c) formed on the other side of the substrate (a), wherein the heat-peelable pressure-sensitive adhesive layer (b) and the substrate (a) are peelable from each other by heating.Type: ApplicationFiled: February 28, 2008Publication date: September 11, 2008Applicant: NITTO DENKO CORPORATIONInventors: Kazuyuki KIUCHI, Yutaka Fujita
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Publication number: 20080137187Abstract: A polarizing plate of the invention comprises a polarizing film; and a protective film bonded to one or both sides of the polarizing film with an adhesive layer or a pressure-sensitive adhesive layer interposed therebetween, wherein the adhesive layer or the pressure-sensitive adhesive layer has a thickness of 52 nm or less. Demand of in-plane uniformity of the polarizing plate is becoming severe due to recent size increase and image quality improvement of liquid crystal display. The polarizing plate has less stripe-like irregularities and good in-plane uniformity.Type: ApplicationFiled: January 16, 2006Publication date: June 12, 2008Applicant: Nitto Denko CorporationInventors: Kanji Nishida, Ryouichi Takamura, Hiroaki Kobayashi, Tomoaki Masuda, Yutaka Fujita, Naoki Tomoguchi
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Publication number: 20080011411Abstract: A method for producing a multilayer laminated film comprising: laminating a resin film having a moisture percentage of 10% by weight to 60% by weight with a first transparent film and a second transparent film each having a moisture percentage of 0.Type: ApplicationFiled: July 12, 2007Publication date: January 17, 2008Applicant: NITTO DENKO CORPORATIONInventors: Yutaka Fujita, Kazuki Tsuchimoto, Morimasa Wada, Tomoyuki Senoo, Takafumi Ooura, Kentarou Ikeshima, Tomoaki Masuda
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Publication number: 20070111017Abstract: The present invention pertains to a method of fabricating a polarizing film by uniaxially stretching a resin film such as a polyvinyl alcohol-based film in a fabrication process including a swelling step and a dyeing step following the swelling step, comprising the steps of immersing a resin film in bath liquids in at least two or more swelling baths in sequence in the above-mentioned swelling step, wherein at least a bath temperature of a swelling bath located at a Nth position from the front-stage side is set at a temperature which is higher than a bath temperature of a swelling bath located at a (N+M)th position by 3° C. or more (both N and M are specified positive integers).Type: ApplicationFiled: July 25, 2005Publication date: May 17, 2007Applicant: NITTO DENKO CORPORATIONInventors: Tomoaki Masuda, Kazuki Tsuchimoto, Yutaka Fujita
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Publication number: 20040191510Abstract: A heat-peelable double-faced pressure-sensitive adhesive sheet which comprises a substrate (a), a heat-peelable pressure-sensitive adhesive layer (b) formed on one side of the substrate (a) and containing heat-expandable microspheres, and a pressure-sensitive adhesive layer (c) formed on the other side of the substrate (a), wherein the heat-peelable pressure-sensitive adhesive layer (b) and the substrate (a) are peelable from each other by heating.Type: ApplicationFiled: March 29, 2004Publication date: September 30, 2004Applicant: NITTO DENKO CORPORATIONInventors: Kazuyuki Kiuchi, Yutaka Fujita
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Patent number: 5443756Abstract: A liquid crystal composition contains 60 to 80 parts by weight of liquid crystal compounds represented by the following general formulas (1)-(3): ##STR1## where X.sup.1 is CH.sub.3 CH.dbd.CHCH.sub.2 CH.sub.2 -- when Y.sup.1 is ##STR2## CH.sub.3 CH.dbd.CH-- or CH.sub.2 .dbd.CHCH.sub.2 CH.sub.2 -- when Y.sup.1 is ##STR3## and CH.sub.3 CH.dbd.CHCH.sub.2 CH.sub.2 -- when Y.sup.1 is ##STR4## and Z.sup.1 is alkoxy group having 1 to 5 carbon atoms when Y.sup.1 is ##STR5## and alkyl group having 1 to 5 carbon atoms when Y.sup.1 is ##STR6## where R.sup.1 is alkyl group having 3 or 4 carbon atoms, and ##STR7## where R.sup.2 is alkyl group having 1 to 5 carbon atoms, and R.sup.3 is alkoxy group having 1 to 5 carbon atoms; and 20 to 30 parts by weight of at least one liquid crystal compound represented by the following general formula: ##STR8## where X.sup.2 is CH.sub.3 CH.dbd.CH-- or CH.sub.3 CH.dbd.CHCH.sub.2 CH.sub.2 --.Type: GrantFiled: June 8, 1994Date of Patent: August 22, 1995Assignees: Casio Computer Co., Ltd., Rodic Co., Ltd.Inventors: Tetsushi Yoshida, Yutaka Fujita, Kunihiko Kotani
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Patent number: 5410335Abstract: A method for recording an image on a thermal recording material in which a plurality of color-development layers are laminated, the plurality of color-development layers being adapted to develop different colors, respectively, upon supply of thermal energy thereto and to form a substantially black color when all of the plurality of color-development layers undergo color development with a substantially identical density. With respect to a portion where a color other than black is to be developed, recording is effected such that a color-development density of each of the plurality of color-development layers becomes lower than a maximum color-development density of each of the plurality of color-development layers.Type: GrantFiled: July 1, 1992Date of Patent: April 25, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Mitsuru Sawano, Mitsuyuki Tsurumi, Yutaka Fujita, Yuichi Itabashi
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Patent number: 5324758Abstract: A vibration damping material of asphalt cement comprising a) 60-90 parts by weight of asphalt cement: b) 10-30 parts by weight of thermoplastic rubber: and c) 0-20 parts by weight of tacky producer. A total sum of weight of a), b) and c) is 100 parts by weight. A penetration of the vibration damping material falls in a range of 35 to 140.Type: GrantFiled: November 30, 1992Date of Patent: June 28, 1994Assignees: Sohwa Shell Sekiyu Kabushiki Kaisha, Shimizu Construction Co., Ltd.Inventors: Masaaki Takahashi, Yasuo Soga, Kazuyoshi Iatagaki, Yutaka Fujita, Yutaka Nakamura
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Patent number: 5168029Abstract: A multicolor recording material is disclosed, which comprises a support having provided thereon at least two layers each containing a leuco dye which is capable of forming a color by oxidation and a photo-oxidizing agent, wherein the leuco dyes contained in each layer are capable of forming different color from each other and the photo-oxidizing agents contained in each layer respond to light having different wavelength from each other.Type: GrantFiled: February 2, 1990Date of Patent: December 1, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Akira Igarashi, Yutaka Fujita