Patents by Inventor Yosuke Suzuki
Yosuke Suzuki 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: 20150283992Abstract: Control apparatus for controlling hybrid vehicle having planetary gear train including first gear coupled to first rotating electrical machine, carrier coupled to input shaft having ejecting hole, input shaft being coupled to engine shaft of engine via torque limiting mechanism which allows input shaft to skid against engine shaft depending on variation of torque between input shaft and engine shaft, and second gear coupled to drive shaft which is coupled to second rotating electrical machine, and rotation limiting mechanism which prevents engine shaft from rotating in another direction, drives first rotating electrical machine to output torque for rotating input shaft in another direction when ejecting hole with engine stopped does not extend in predetermined direction in which ejecting hole can eject oil to mechanism portion of planetary gear train which locates vertically above input shaft.Type: ApplicationFiled: November 27, 2012Publication date: October 8, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Kawai, Yasuhiro Oshiumi, Hideaki Komada, Yosuke Suzuki, Hirotatsu Kitabatake
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Publication number: 20150252858Abstract: In a release mechanism for a friction clutch that includes a cylinder portion formed by an inner body and an outer body, a piston that moves in a front-back direction in accordance with a fluid pressure supplied to the cylinder portion, and a plate that is formed on the piston and receives an elastic force from elastic members provided on an outer peripheral side of the cylinder portion in a circumferential direction at a predetermined interval, a fastening member that fixes flanges of the inner body and the outer body so as to clamp a sealing member therebetween in an axial direction is provided, and a region in the radial direction in which the fastening member is arranged and a region in the radial direction in which the elastic members are arranged overlap each other at least in part, in the flanges.Type: ApplicationFiled: March 4, 2015Publication date: September 10, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Seitaro NOBUYASU, Yuji Iwase, Yosuke Suzuki, Koichi Kato, Kensei Hata, Taro Moteki
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Publication number: 20150228756Abstract: A semiconductor device includes an Alx1Ga1-x1N (0?x1?1) barrier layer, and a gate electrode that is disposed on a surface of the Alx1Ga1-x1N (0?x1?1) barrier layer, forms a Schottky junction with the surface of the Alx1Ga1-x1N (0?x1?1) barrier layer, and has an Ni single-layer structure. Annealing processing is performed with respect to the gate electrode at a temperature of 500° C. or above under a nitrogen atmosphere to form a reaction layer between the surface of the Alx1Ga1-x1N (0?x1?1) barrier layer and the gate electrode.Type: ApplicationFiled: February 2, 2015Publication date: August 13, 2015Applicant: Mitsubishi Electric CorporationInventors: Kenichiro KURAHASHI, Takuma Nanjo, Muneyoshi Suita, Yosuke Suzuki, Akifumi Imai, Marika Nakamura, Eiji Yagyu
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Publication number: 20150202953Abstract: A driving device for the hybrid vehicle includes a planetary gear mechanism; a first rotating machine coupled to a sun gear of the planetary gear mechanism; an engine coupled to a carrier of the planetary gear mechanism; a second rotating machine and a drive wheel that are coupled to a ring gear of the planetary gear mechanism; and a regulating mechanism that regulates rotation of the carrier, wherein the driving device has a first driving region that allows executing a dual-drive mode that causes running using the first rotating machine and the second rotating machine as power sources, and a second driving region that allows executing a lubrication running mode that causes the first rotating machine to rotate the engine so as to lubricate the planetary gear mechanism and causes running using the second rotating machine as a single power source.Type: ApplicationFiled: August 28, 2012Publication date: July 23, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuji Iwase, Hideaki Komada, Yosuke Suzuki, Hirotatsu Kitabatake
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Publication number: 20150176694Abstract: A power transmission unit for preventing malfunction and deterioration in durability of a locking device arranged in a housing by preventing the ingress of foreign matters into the locking device. In the power transmission unit, a one-way brake 10 for selectively stopping a rotation of an output shaft 1a of an engine 1 is disposed between the housing 11 of a transmission mechanism and an engine block 1b. A fixed member 10a is fixed to the housing 11 or to the engine block 1b, and a movable member 10b is attached to the output shaft 1a. A through hole 21 is formed on the housing at a vertically lowest portion and axially outside of a region where the one-way brake 10 is situated, so as to provide a communication between an inner space and an outer space of the housing 11.Type: ApplicationFiled: December 23, 2014Publication date: June 25, 2015Inventors: Yuji Iwase, Yosuke Suzuki, Koichi Kato, Kensei Hata, Seitaro Nobuyasu, Taro Moteki
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Publication number: 20150165889Abstract: A power transmission unit for a hybrid vehicle in which a halting member for halting an output shaft of an engine does not elongate an axial length. The vehicle can be driven by another power unit while halting a rotation of the output shaft. One of end portions of the output shaft is connected with a transmission through a torque limiter, and a rotary member is attached to the other end portion of the output shaft to be rotated integrally. A halting member for halting a rotation of the output shaft is fitted onto the rotary member in a manner to overlap at least partially therewith in an axial direction.Type: ApplicationFiled: December 17, 2014Publication date: June 18, 2015Inventors: Hirotatsu Kitabatake, Yosuke Suzuki, Yuji Iwase, Yoshinobu Nozaki
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Publication number: 20150083543Abstract: A clutch release mechanism shortened in its axial length. The clutch release mechanism is applied to a friction clutch 5 engaged to transmit a torque between a rotary output member 4 and a rotary input member 2, 11. A hydraulic actuator 26 generates a hydraulic pressure to reduce a pushing force applied to the friction clutch. A plurality of elastic members 27 are arranged annularly around a rotational center axis while keeping predetermined intervals. An oil passage 33 is communicated with the hydraulic actuator 26 while passing through the interval.Type: ApplicationFiled: September 25, 2014Publication date: March 26, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Seitaro NOBUYASU, Yuji IWASE, Yosuke SUZUKI, Koichi KATO, Kensei HATA, Taro MOTEKI
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Patent number: 8987125Abstract: The present invention relates to a method for manufacturing a heterojunction semiconductor device including an AlGaN layer, the method including the steps of (a) forming a dummy electrode in a region where a gate electrode is arranged on the AlGaN layer, (b) depositing a dielectric film on the AlGaN layer by exposing side surfaces of the dummy electrode, using a device having anisotropy, (c) forming an opening in the dielectric film by removing the dummy electrode, and (d) forming the gate electrode that extends from inside the opening onto the dielectric film in a vicinity of the opening.Type: GrantFiled: June 5, 2013Date of Patent: March 24, 2015Assignee: Mitsubishi Electric CorporationInventors: Hiroyuki Okazaki, Takuma Nanjo, Yosuke Suzuki, Akifumi Imai, Muneyoshi Suita, Eiji Yagyu
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Publication number: 20150073673Abstract: A vehicle control system to prevent deterioration in controllability of the engagement device resulting from temporal deterioration of the engagement device. The vehicle control system is configured to switch a driving mode selectively between a first driving mode in which the engagement device is disengaged, and a second driving mode in which the engagement device is engaged. The vehicle control system comprises: an estimation means that estimates deterioration in an engagement property of the engagement device; and an engagement means that engages the engagement device after achieving synchronization between an input speed and an output speed, in case the estimation means estimates that the engagement property of the engagement device is deteriorated, and the driving mode is shifted from the first driving mode to the second driving mode.Type: ApplicationFiled: September 10, 2014Publication date: March 12, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kensei HATA, Yuji IWASE, Yosuke SUZUKI, Koichi KATO, Seitaro NOBUYASU, Taro MOTEKI
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Publication number: 20150069408Abstract: A laminate includes a surface on which a gate electrode is provided, and is made of a nitride semiconductor. The laminate includes a first layer having a first band gap, and a second layer provided between the first layer and the surface and having a second band gap which is larger than the first band gap. The first and second layers and form a joint surface by a hetero junction. The surface includes a surface defect density equal to or smaller than 1.7×106 cm?2.Type: ApplicationFiled: August 28, 2014Publication date: March 12, 2015Applicant: Mitsubishi Electric CorporationInventors: Takuma NANJO, Akifumi IMAI, Yosuke SUZUKI, Muneyoshi SUITA, Kenichiro KURAHASHI, Marika NAKAMURA, Eiji YAGYU
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Publication number: 20150040720Abstract: A vehicular transmission includes a transmission input shaft to which engine torque is input, first and second differential mechanisms as transmission mechanisms to which the engine torque is input through the transmission input shaft, a torque limiter arranged between the transmission input shaft and an engine configured to enable torque transmission between the transmission input shaft and an engine output shaft and inhibit an input of excessive torque larger than predetermined torque between the transmission input shaft and the engine output shaft, and a one-way clutch arranged between the torque limiter and the engine for prohibiting reverse rotation of the engine while allowing normal rotation of the engine.Type: ApplicationFiled: March 19, 2012Publication date: February 12, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hirotatsu Kitabatake, Yuji Iwase, Hideaki Komada, Yosuke Suzuki
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Publication number: 20150025729Abstract: A drive system for a vehicle includes a first motor, a second motor, and a differential mechanism that includes a first rotation element connected to the first motor, a second rotation element connected to the second motor, and a third rotation element connected to driving wheels, the first rotation element and the second rotation element are located on the opposite sides with the third rotation element interposed therebetween in a collinear diagram of the differential mechanism, and an area that is not able to be selected as a target control quantity is determined within a range of the control quantity that is able to be output by one motor of the first motor and the second motor.Type: ApplicationFiled: January 30, 2012Publication date: January 22, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomohito Ono, Yuji Iwase, Yosuke Suzuki, Kensei Hata
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Publication number: 20140371017Abstract: A hybrid vehicle drive unit including a first planetary gear mechanism; a second planetary gear mechanism; a clutch; and a brake, wherein a first sun gear that is a sun gear of the first planetary gear mechanism is connected to a first rotating electric machine, a first ring gear that is a ring gear of the first planetary gear mechanism is connected to an engine, and a first carrier that is a carrier of the first planetary gear mechanism is connected to a second rotating element of the second planetary gear mechanism and to driving wheels, a first rotating element of the second planetary gear mechanism is connected to the engine and the first ring gear via the clutch, and a third rotating element is connected to a second rotating electric machine, the first rotating element is a sun gear of the second planetary gear mechanism, and the brake regulates a rotation of the first rotating element.Type: ApplicationFiled: February 14, 2012Publication date: December 18, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomohito Ono, Yuji Iwase, Yosuke Suzuki, Takahito Endo
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Publication number: 20140343780Abstract: Provided is a control system of a vehicle equipped with first and second motors/generators, and a differential device including a ring gear and a sun gear individually connected to the first and second motors/generators and a carrier connected to a driving wheel side, wherein at the time an SOC of a battery exceeds a predetermined threshold value during regenerative driving operations of the first and second motors/generators, a power driving operation of any one of the first and second motors/generators is selectively performed.Type: ApplicationFiled: December 28, 2011Publication date: November 20, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yosuke Suzuki, Yuji Iwase, Tomohito Ono, Kensei Hata
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Publication number: 20140296013Abstract: A hybrid vehicle driving device includes a first planetary gear mechanism, a second planetary gear mechanism, and a clutch, wherein a sun gear of the first planetary gear mechanism is connected to a first electric rotating machine, a carrier of the first planetary gear mechanism is connected to a driving wheel, a ring gear of the first planetary gear mechanism is connected to an engine, a sun gear of the second planetary gear mechanism is connected to a second electric rotating machine, the carrier of the second planetary gear mechanism is connected to the ring gear of the first planetary gear mechanism and the engine through the clutch, and a ring gear of the second planetary gear mechanism is connected to the driving wheel.Type: ApplicationFiled: October 27, 2011Publication date: October 2, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kensei Hata, Yuji Iwase, Yosuke Suzuki, Tomohito Ono
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Patent number: 8821747Abstract: A method for manufacturing a glass substrate for a magnetic disk comprises a surface grinding step of processing a mirror-surface plate glass, having a main surface in the form of a mirror surface, to a required flatness and surface roughness using fixed abrasive particles. The method comprises, before the surface grinding step using the fixed abrasive particles, a surface roughening step of roughening the surface of the mirror-surface plate glass by frosting.Type: GrantFiled: October 5, 2009Date of Patent: September 2, 2014Assignee: Hoya CorporationInventors: Takanori Mizuno, Yosuke Suzuki
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Patent number: 8821735Abstract: An object of the invention is to effectively remove particles on the glass substrate surfaces, even in the case wherein abrasive particles having a small particle size is used in the polishing step of the glass substrate and a supersonic treatment is performed at a high frequency at the supersonic cleaning step after the polishing step. In a manufacturing method of a glass substrate for a magnetic disk comprising a polishing step for performing polishing of the glass substrate and a supersonic cleaning step for performing supersonic cleaning of the glass substrate after the polishing step, the polishing step uses abrasive particles having a particle size of 10 nm to 30 nm and a first supersonic cleaning is performed at a frequency of 300 kHz to 1,000 kHz to form secondary particles and then a second supersonic cleaning is performed at a frequency of 30 kHz to 100 kHz in the supersonic cleaning step.Type: GrantFiled: March 31, 2011Date of Patent: September 2, 2014Assignee: Hoya CorporationInventor: Yosuke Suzuki
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Publication number: 20140225570Abstract: A control device of a secondary battery has a current detection unit (103) that detects a charge current to the secondary battery (101) and a discharge current from the secondary battery (101); a calculation unit (107) that calculates, from the charge current and the discharge current, a charge-discharge efficiency and a discharge-charge efficiency when performing a charge operation and a discharge operation; a deterioration judgment unit (107) that judges a deterioration state of the secondary battery (101) from a temporal change rate of the charge-discharge efficiency and a temporal change rate of the discharge-charge efficiency; and a control unit (107) that sets a charge termination voltage of the secondary battery (101) in accordance with the deterioration state.Type: ApplicationFiled: September 11, 2012Publication date: August 14, 2014Inventors: Sohei Suga, Tamaki Miura, Yosuke Suzuki, Yoshiaki Nitta, Masanori Aoyagi, Takayuki Matsuoka
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Publication number: 20140194239Abstract: A hybrid vehicle driving device includes a first planetary gear mechanism, a second planetary gear mechanism, a clutch configured to connect and disconnect a carrier of the first planetary gear mechanism to and from a ring gear of the second planetary gear mechanism, and a brake configured to regulate a rotation of the ring gear of the second planetary gear mechanism by being engaged. The second planetary gear mechanism is of a double pinion type, a sun gear of the first planetary gear mechanism is connected to a first electric rotating machine, a carrier thereof is connected to an engine, and a ring gear thereof is connected to a driving wheel, respectively, and a sun gear of the second planetary gear mechanism is connected to a second electric rotating machine, and a carrier thereof is connected to the driving wheel, respectively.Type: ApplicationFiled: August 10, 2011Publication date: July 10, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomohito Ono, Yuji Iwase, Yosuke Suzuki, Kensei Hata
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Publication number: 20140194238Abstract: A hybrid vehicle driving apparatus includes: a first planetary gear mechanism; a second planetary gear mechanism; a clutch that connects and disconnects a carrier of the first planetary gear mechanism to and from a carrier of the second planetary gear mechanism; and a brake that regulates the rotation of the carrier of the second planetary gear mechanism by engaging, in which a sun gear, the carrier, and a ring gear of the first planetary gear mechanism are respectively connected to a first rotating electric machine, an engine, and a driving wheel, and a sun gear and a ring gear of the second planetary gear mechanism are respectively connected to a second rotating electric machine and the driving wheel.Type: ApplicationFiled: July 27, 2011Publication date: July 10, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomohito Ono, Yuji Iwase, Yosuke Suzuki, Kensei Hata