Patents by Inventor Yoshihisa Yamamoto
Yoshihisa Yamamoto 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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Publication number: 20170353067Abstract: A rotor for a rotary electric machine, the rotor including a rotor core that has a magnet hole; a permanent magnet inserted into the magnet hole; and an adhesive layer provided between the permanent magnet and a wall surface of the magnet hole and including a plurality of capsule bodies therein, the adhesive layer fixing the permanent magnet to the wall surface of the magnet hole, wherein the adhesive layer is provided only on a wall surface of the magnet hole on a first side, which is one of a wall surface of the magnet hole on an inner side in a radial direction and a wall surface on an outer side in the radial direction.Type: ApplicationFiled: March 18, 2016Publication date: December 7, 2017Applicant: AISIN AW CO., LTD.Inventors: Yoshihisa YAMAMOTO, Yoshinari NAKAGAWA, Yasunari FURUTA, Shinya KATAYAMA
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Patent number: 9830555Abstract: In one aspect, a computational machine includes an optical device configured to receive energy from an optical energy source and generate a number N1 of optical signals, and a number N2 of coupling devices, each of which controllably couples a plurality of the number N1 optical signals. The coupling devices are individually controlled to simulate a computational problem. In another aspect, a computational machine includes a number N1 of parametric oscillators and a number N2 of coupling devices, each of which controllably couples a plurality of the number N1 of parametric oscillators together. The coupling devices are individually controlled to simulate a computational problem.Type: GrantFiled: July 9, 2014Date of Patent: November 28, 2017Assignees: The Board of Trustees of the Leland Stanford Junior University, Inter-University Research Institute Corporation, Research Organization of Information and SystemsInventors: Alireza Marandi, Yoshihisa Yamamoto, Robert Byer, Zhe Wang, Shoko Utsunomiya
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Publication number: 20170024658Abstract: A parametric oscillator oscillates a plurality of pseudo spin pulses SPi having mutually an identical oscillation frequency by using parametric oscillation, an interaction implementing unit performs feedback implementation of a magnitude and a sign of interaction related to each pseudo spin pulse SPi (the proportionality coefficient ?i+?Jij?j+?Kijk?j?k with respect to ?i) by using a tentative measurement result of oscillation phases ?i(tentative) of the plurality of pseudo spin pulses SPi, and a pseudo spin measuring unit measures the pseudo spins ?i of the plurality of pseudo spin pulses SPi, based on a final measurement result of oscillation phases ?i(steady) of the plurality of pseudo spin pulses SPi.Type: ApplicationFiled: March 25, 2015Publication date: January 26, 2017Inventors: Shoko UTSUNOMIYA, Yoshihisa YAMAMOTO, Hiroki TAKESUE
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Patent number: 9411026Abstract: This computation device and method exponentially shortens a computation time of an NP-complete problem or the like mapped into an Ising model by exponentially shortening a computation time of the Ising mode. For each pair of a plurality of slave lasers, by controlling the intensity, the polarization, and the phase of light exchanged between two slave lasers using an attenuator and a wave plate, the magnitude and the sign of pseudo Ising interaction between two slave lasers are implemented. Then, after the plurality of slave lasers arrive at a steady state, by measuring the polarization of light generated by each slave laser with left-handed circular polarization and right-handed circular polarization used as bases, a pseudo spin of each slave laser is measured.Type: GrantFiled: February 28, 2012Date of Patent: August 9, 2016Assignee: INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION, RESEARCH ORGANIZATION OF INFORMATION AND SYSTEMSInventors: Yoshihisa Yamamoto, Shoko Utsunomiya, Kenta Takata, Kai Yan
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Patent number: 9392689Abstract: A metal-clad laminate, including metal foil, and a first resin layer arranged on the metal foil, the first resin layer including an epoxy resin and a fluoropolymer with a curable functional group. Also disclosed is a method of producing the metal-clad laminate.Type: GrantFiled: October 25, 2011Date of Patent: July 12, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yoshihisa Yamamoto, Hiroyuki Yoshimoto, Hideto Nakagawa
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Publication number: 20160162798Abstract: In one aspect, a computational machine includes an optical device configured to receive energy from an optical energy source and generate a number N1 of optical signals, and a number N2 of coupling devices, each of which controllably couples a plurality of the number N1 optical signals. The coupling devices are individually controlled to simulate a computational problem. In another aspect, a computational machine includes a number N1 of parametric oscillators and a number N2 of coupling devices, each of which controllably couples a plurality of the number N1 of parametric oscillators together. The coupling devices are individually controlled to simulate a computational problem.Type: ApplicationFiled: July 9, 2014Publication date: June 9, 2016Inventors: Alireza Marandi, Yoshihisa Yamamoto, Robert Byer, Zhe Wang, Shoko Utsunomiya
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Patent number: 9342792Abstract: For each pair of a plurality of slave lasers B for which injection synchronization is performed by a master laser M, by controlling the intensity of light exchanged between two slave lasers B and an optical path length between the two slave lasers B using a slave-to-laser intensity control unit IA and an inter-slave laser optical path length control unit IP, the magnitude and the sign of pseudo ising interaction Jij between the two slave lasers B are implemented. After the plurality of slave lasers B arrive at a steady state, by measuring relative values of the oscillation phases of the plurality of slave lasers B with respect to the oscillation phase of the master laser M by using an oscillation phase measuring unit PM, pseudo ising spins ?i of the plurality of slave lasers B are measured.Type: GrantFiled: November 7, 2013Date of Patent: May 17, 2016Assignees: Inter-University Research Institute Corporation, Research Organization of Information and Systems, The Board of Trustees of the Leland Stanford Junior UniversityInventors: Shoko Utsunomiya, Kenta Takata, Yoshihisa Yamamoto, Kai Wen
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Patent number: 9154006Abstract: In a rotor for the dynamo, the interior circumference face of a rotor core main body makes contact in a thermally transmissible manner with a rotor axle, and the rotor axle includes a cooling medium circulation space. The rotor is provided with a cooling medium supply member, which supplies the cooling medium to the cooling medium circulation space. The cooling medium supply member is provided with a cooling medium supply path that extends in the rotor axle direction, and cooling medium supply holes that extend externally in the direction of the rotor diameter. The cooling medium supply holes are provided with supply apertures that open toward the cooling interior circumference face. The rotor axle is provided with cooling medium discharge holes that extend externally in the direction of the rotor diameter. The cooling medium discharge holes are provided with discharge apertures that open externally in the diameter direction.Type: GrantFiled: September 29, 2010Date of Patent: October 6, 2015Assignee: AISIN AW CO., LTD.Inventors: Yoshihisa Yamamoto, Yukinori Nakamori, Satoshi Murakami, Yoichi Miyoshi, Meio Gi
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Patent number: 9050971Abstract: A vehicle drive device having an input member coupled to an internal combustion engine; an output member coupled to a wheel; a first rotating electrical machine; a second rotating electrical machine; and a differential gear unit having at least three rotating elements. A dog engagement device is provided on a power transmission path between the input member and an input rotating element. The engagement device includes a state selecting member that switches a state among three states, which are a first state where the input rotating element and the input member are coupled and the input rotating element and a non-rotating member are not coupled, a second state where the input rotating element coupled with both the input member and the non-rotating member, and a third state where the input rotating element and the non-rotating member are coupled.Type: GrantFiled: May 30, 2012Date of Patent: June 9, 2015Assignee: AISIN AW CO., LTD.Inventors: Tomoo Atarashi, Shigeki Takami, Takafumi Koshida, Hidetoshi Aoki, Yoshihisa Yamamoto
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Patent number: 9041261Abstract: A rotating electrical machine includes a rotor which has a rotor core formed by stacking magnetic plates having an annular plate shape in an axial direction, a permanent magnet is inserted into a magnet insertion hole formed in the rotor core, and a rotor shaft is inserted into a shaft insertion hole surrounded by an inner peripheral surface of the rotor core; and a stator. A radial communication passage is formed by a communication penetration hole group that is formed by sequentially communicating a plurality of the penetration holes from a shaft insertion hole to a magnetic resistance hole in the radial direction. The plurality of the penetration holes are divided into at least two specific magnetic plates and formed such that the radial positions of the penetration holes are different from each other and the penetration holes partially overlap each other when viewed in the axial direction.Type: GrantFiled: July 3, 2012Date of Patent: May 26, 2015Assignee: AISIN AW CO., LTD.Inventors: Yoshihisa Yamamoto, Shinichi Otake, Takamasa Takeuchi, Masatoshi Sugimoto, Satoshi Murakami
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Patent number: 8905885Abstract: A vehicle drive device configured with reduced axial dimensions, while still having appropriate lubrication. The vehicle drive device is configured with an input shaft coupled to an engine, a rotary electric machine, and an output shaft coupled to wheels. A power transfer mechanism couples input shaft, the rotary electric machine, and the output shaft. A case houses at least the rotary electric machine and the power transfer mechanism. An oil reserving portion capable of reserving oil supplied by rotation of the power transfer mechanism is provided above the rotor shaft inside the case. A communication oil passage is oriented between the oil reserving portion and an inner circumferential space formed inside the rotor shaft. The rotor shaft is disposed to be inserted into the inside housing space, and has a supply communication hole that communicates between the inner circumferential space and the inside housing space.Type: GrantFiled: January 30, 2012Date of Patent: December 9, 2014Assignees: Aisin Aw Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Yoshihisa Yamamoto, Masamitsu Seno, Takuya Komatsu, Natsuki Sada, Hirotaka Yata, Tomoo Atarashi, Hiromichi Kimura, Takeshi Kuwahara, Tatsuo Obata, Michitaka Tsuchida, Yoshinori Morita, Shingo Kato
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Publication number: 20140200689Abstract: For each pair of a plurality of slave lasers B for which injection synchronization is performed by a master laser M, by controlling the intensity of light exchanged between two slave lasers B and an optical path length between the two slave lasers B using a slave-to-laser intensity control unit IA and an inter-slave laser optical path length control unit IP, the magnitude and the sign of pseudo ising interaction Jij between the two slave lasers B are implemented. After the plurality of slave lasers B arrive at a steady state, by measuring relative values of the oscillation phases of the plurality of slave lasers B with respect to the oscillation phase of the master laser M by using an oscillation phase measuring unit PM, pseudo ising spins ?i of the plurality of slave lasers B are measured.Type: ApplicationFiled: November 7, 2013Publication date: July 17, 2014Applicants: The Board of Trustees of the Leland Stanford Junior University, Inter-University Research Institute Corporation, Research Organization of Information and SystemsInventors: Shoko Utsunomiya, Kenta Takata, Yoshihisa Yamamoto, Kai Wen
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Patent number: 8675876Abstract: Differential phase shift (DPS) quantum key distribution (QKD) is provided, where the average number of photons per transmitted pulse is predetermined such that the secure key generation rate is maximal or nearly maximal, given other system parameters. These parameters include detector quantum efficiency, channel transmittance and pulse spacing (or clock rate). Additional system parameters that can optionally be included in the optimization include baseline error rate, sifted key error rate, detector dead time, detector dark count rate, and error correction algorithm performance factor. The security analysis leading to these results is based on consideration of a hybrid beam splitter and intercept-resend attack.Type: GrantFiled: November 4, 2005Date of Patent: March 18, 2014Assignees: The Board of Trustees of the Leland Stanford Junior University, NTT CorporationInventors: Yoshihisa Yamamoto, Eleni Diamanti, Edo Waks, Kyo Inoue, Hiroki Takesue, Toshimori Honjo
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Patent number: 8661993Abstract: In an exhaust gas treatment system including a denitration device that removes nitrogen oxide in exhaust gas from a heavy fuel-fired boiler, an air preheater that recovers heat in the gas after the nitrogen oxide is removed, an electric precipitator that removes dust while adding ammonia into the gas after heat recovery, a desulfurization device that removes sulfur oxide in the gas after dust removal, and a stack that exhausts the gas after desulfurization to the outside, an ash-shear-force measuring instrument is provided to measure an ash shear force, which is ash flowability, on the downstream side of the electric precipitator, so that a feed rate of an air supply unit that supplies air to the boiler is reduced according to ash shear-force information.Type: GrantFiled: February 9, 2009Date of Patent: March 4, 2014Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Naoyuki Kamiyama, Tomoo Akiyama, Toshihiko Setoguchi, Koutaro Fujimura, Yoshihisa Yamamoto, Koichi Tagami, Yasutoshi Ueda
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Publication number: 20140046626Abstract: This computation device and method exponentially shortens a computation time of an NP-complete problem or the like mapped into an Ising model by exponentially shortening a computation time of the Ising mode. For each pair of a plurality of slave lasers, by controlling the intensity, the polarization, and the phase of light exchanged between two slave lasers using an attenuator and a wave plate, the magnitude and the sign of pseudo Ising interaction between two slave lasers are implemented. Then, after the plurality of slave lasers arrive at a steady state, by measuring the polarization of light generated by each slave laser with left-handed circular polarization and right-handed circular polarization used as bases, a pseudo spin of each slave laser is measured.Type: ApplicationFiled: February 28, 2012Publication date: February 13, 2014Applicant: Inter-University Research Institute Corporation, Research Organization of Information SystemsInventors: Yoshihisa Yamamoto, Shoko Utsunomiya, Kenta Takata
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Publication number: 20140011618Abstract: A vehicle drive device having an input member coupled to an internal combustion engine; an output member coupled to a wheel; a first rotating electrical machine; a second rotating electrical machine; and a differential gear unit having at least three rotating elements. A dog engagement device is provided on a power transmission path between the input member and an input rotating element. The engagement device includes a state selecting member that switches a state among three states, which are a first state where the input rotating element and the input member are coupled and the input rotating element and a non-rotating member are not coupled, a second state where the input rotating element coupled with both the input member and the non-rotating member, and a third state where the input rotating element and the non-rotating member are coupled.Type: ApplicationFiled: May 30, 2012Publication date: January 9, 2014Applicant: AISIN AW CO., LTD.Inventors: Tomoo Atarashi, Shigeki Takami, Takafumi Koshida, Hidetoshi Aoki, Yoshihisa Yamamoto
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Publication number: 20130283972Abstract: A vehicle drive device configured with reduced axial dimensions, while still having appropriate lubrication. The vehicle drive device is configured with an input shaft coupled to an engine, a rotary electric machine, and an output shaft coupled to wheels. A power transfer mechanism couples input shaft, the rotary electric machine, and the output shaft. A case houses at least the rotary electric machine and the power transfer mechanism. An oil reserving portion capable of reserving oil supplied by rotation of the power transfer mechanism is provided above the rotor shaft inside the case. A communication oil passage is oriented between the oil reserving portion and an inner circumferential space formed inside the rotor shaft. The rotor shaft is disposed to be inserted into the inside housing space, and has a supply communication hole that communicates between the inner circumferential space and the inside housing space.Type: ApplicationFiled: January 30, 2012Publication date: October 31, 2013Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Yoshihisa Yamamoto, Masamitsu Seno, Takuya Komatsu, Natsuki Sada, Hirotaka Yata, Tomoo Atarashi, Hiromichi Kimura, Takeshi Kuwahara, Tatsuo Obata, Michitaka Tsuchida, Yoshinori Morita, Shingo Kato
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Publication number: 20130213696Abstract: A metal-clad laminate, including metal foil, and a first resin layer arranged on the metal foil, the first resin layer including an epoxy resin and a fluoropolymer with a curable functional group. Also disclosed is a method of producing the metal-clad laminate.Type: ApplicationFiled: October 25, 2011Publication date: August 22, 2013Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Yoshihisa Yamamoto, Hiroyuki Yoshimoto, Hideto Nakagawa
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Patent number: 8506451Abstract: A vehicle drive including an input coupled to an engine, an output coupled to wheels, an intermediate member between the input and output and coupled to a rotary electric machine, a friction engagement device between the input and intermediate member, and a control device. The control device, when starting the engine with the friction engagement device disengaged, engages the friction engagement device when a rotational speed difference between the input and intermediate member is equal to or less than a predetermined value; raises a rotational speed of the input using the rotary electric machine with the friction engagement device engaged to start the engine; and, when a rotational speed of the engine is equal to or more than a predetermined value, reduces an engagement pressure of the friction engagement device and the friction engagement device is returned to the engaged state when the rotational speed difference reaches a threshold.Type: GrantFiled: April 4, 2012Date of Patent: August 13, 2013Assignee: Aisin AW Co., Ltd.Inventors: Shigeki Takami, Tomoo Atarashi, Yoshihisa Yamamoto
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Publication number: 20130092217Abstract: Provided is a weatherable backsheet for solar cell modules which comprises a cured coating film and a water-impermeable sheet, the cured coating film having improved secondary adhesion to the water-impermeable sheet. The backsheet is produced using a coating composition having a prolonged usable life, and film blocking phenomenon during the production can be avoided. The weatherable backsheet for solar cell modules comprises a water-impermeable sheet and a cured coating film layer formed on at least one surface thereof, the coating film layer comprising a cross-linked product of a coating composition which comprises a hydroxylated fluoropolymer and silicon oxide particles having an average primary-particle diameter of 0.1 to 30 ?m.Type: ApplicationFiled: June 16, 2011Publication date: April 18, 2013Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kenji Gobou, Hideto Nakagawa, Yoshihisa Yamamoto