Patents Assigned to Kabushiki Kaisha Toyota Chuo Kenkyusho
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Patent number: 10522275Abstract: A method for producing a nanoheterostructured permanent magnet includes a first step of preparing a raw material solution by dissolving, in a solvent, (1) a block copolymer comprising polymer block components that are immiscible but linked to each other, (2) a first inorganic precursor which is one of a hard magnetic material precursor and a soft magnetic material precursor, and (3) a second inorganic precursor which is the other of the hard magnetic material precursor and the soft magnetic material precursor, and a second step including a phase-separation treatment for forming a nanophase-separated, a conversion treatment for converting the hard magnetic material precursor and the soft magnetic material precursor to a hard magnetic material and a soft magnetic material, respectively, and a removal treatment for removing the block copolymer from the nanophase-separated structure.Type: GrantFiled: May 19, 2017Date of Patent: December 31, 2019Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Hiroaki Wakayama, Hirotaka Yonekura, Yasuaki Kawai
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Publication number: 20190360127Abstract: An apparatus for thermally-stabilizing a carbon material precursor comprises: a heating apparatus which thermally-stabilizes a carbon material precursor; a temperature measuring means for measuring a temperature in the heating apparatus; a water vapor concentration measuring means for measuring a concentration of water vapor in the heating apparatus; and a temperature control means for feedback-controlling the temperature in the heating apparatus by using the concentration of water vapor as an index such that generation of water vapor in a thermal-stabilization reaction of the carbon material precursor is completed and generation of water vapor in a partial oxidation reaction of the carbon material precursor is suppressed in a temperature range between a temperature range where the generation of water vapor is accelerated in the thermal-stabilization reaction and a temperature range where the generation of water vapor is accelerated in the partial oxidation reaction.Type: ApplicationFiled: April 11, 2019Publication date: November 28, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Kazuhiro NOMURA, Takuya MORISHITA
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Patent number: 10487284Abstract: A sliding system includes a pair of sliding members having sliding surfaces that can relatively move while facing each other and a lubricant oil interposed between the sliding surfaces facing each other. At least one of the sliding surfaces includes a coating surface of a crystalline Cr plating film. The lubricant oil contains an oil-soluble molybdenum compound comprising a trinuclear Mo structure. In particular, considerably low friction properties can be developed by a combination of the Cr plating film, in which at least one of three types of peak area intensity ratios (P1 to P3) as obtained by X-ray diffraction falls within a predetermined range (P1?0.015, P2?0.02, P3?0.03), and the lubrication oil which contains the trinuclear Mo structure.Type: GrantFiled: January 26, 2018Date of Patent: November 26, 2019Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Shigeru Hotta, Hiroyuki Mori, Mamoru Tohyama, Toshihide Ohmori
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Patent number: 10483571Abstract: A fuel cell system includes: a plurality of reactor vessels containing a hydrogen storage material; a hydrogen tank storing a hydrogen gas; a fuel cell; a cooling device to dissipate exhaust heat from the reactor vessels or the fuel cell to the outside; a hydrogen gas line that can switch supply routes of the hydrogen gas among the reactor vessels, the hydrogen tank, and the fuel cell; a heat exchange line that can switch circulation routes of a heat exchange medium among the reactor vessels, the fuel cell, and the cooling device; and a control mechanism to switch the supply routes of the hydrogen gas and the circulation routes of the heat exchange medium.Type: GrantFiled: July 3, 2017Date of Patent: November 19, 2019Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Masakazu Aoki, Takafumi Yamauchi, Yasuki Hirota, Ryuichi Iwata
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Publication number: 20190348687Abstract: A bipolar plate includes a substrate and a coating film that is formed at least on a part of a surface of the substrate. The coating film includes a phosphide having a composition represented by M2-xTixP, where M is any one or more elements selected from the group consisting of Ni, Co, Fe, Mn and Cr, and 0.1?x?1.9. The coating film preferably includes two kinds or more of the metal elements M, and preferably has a thickness ranging from 0.05 ?m or greater to 100 ?m or less.Type: ApplicationFiled: March 4, 2019Publication date: November 14, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Hiroaki WAKAYAMA, Nobuaki SUZUKI, Hajime MURATA, Kiyoshi YAMAZAKI
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Publication number: 20190330762Abstract: An apparatus for manufacturing compound single crystal includes a crystal growth section to hold a seed crystal, a gas supply section to supply a metal-contained gas and a reactant gas toward the seed crystal, and a heating section to heat the seed crystal and a metal source. The gas supply section includes a crucible holding the metal source, a carrier gas supply unit, and a reactant gas supply unit. A porous baffle plate is provided in an opening of the crucible. The porous baffle plate satisfies a relationship of 80%?(1?VH/VB)×100<100% and a relationship of 0.0003<a2/L<1.1. VB is an apparent volume of the porous baffle plate, VH is a total volume of the through-holes contained in the porous baffle plate, “a” is a diameter of the through-hole, and L is a length of the through-hole.Type: ApplicationFiled: February 8, 2018Publication date: October 31, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Taishi KIMURA, Daisuke NAKAMURA
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Publication number: 20190331219Abstract: A shift mechanism switches power transmission paths among a first transmission shaft, a second transmission shaft, and a third transmission shaft that are concentrically arranged on a rotational axis. The shift mechanism has a drive drum that is provided so as to be coaxial with the rotational axis and pivotable about the rotational axis, and a first driven drum and a second driven drum that are arranged on the rotational axis so as to be concentric with the drive drum and move along the rotational axis as the drive drum pivots. As the first driven drum moves, a first shift sleeve advances and retreats, and the first transmission shaft and the second transmission shaft are connected and disconnected. In addition, as the second driven drum moves, a second shift sleeve advances and retreats, and the second transmission shaft and the third transmission shaft are connected and disconnected.Type: ApplicationFiled: April 16, 2019Publication date: October 31, 2019Applicants: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Isamu SHIOTSU, Hirotsugu YOSHINO, Hideaki KOMADA, Yosuke SUZUKI
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Publication number: 20190329658Abstract: A vehicle driving apparatus includes a first motor, a second motor, and a planetary mechanism, and obtains a driving force by combining motive forces obtained from the first motor and the second motor by a planetary gear of the planetary mechanism. The vehicle driving apparatus includes at least one of a design value and a control quantity in which a frequency ratio between a sound generated by a rotation of the first motor and a sound generated by a rotation of the second motor satisfies a reduction condition of dissonance.Type: ApplicationFiled: April 19, 2019Publication date: October 31, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Teruhiko NAKAZAWA, Ryoichi HIBINO, Makoto KUSAKABE, Yasumitsu OSADA, Shoji NAKAHARA, Hiroyuki NISHIZAWA, Yasuhiro TORII
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Publication number: 20190323498Abstract: A sliding member has a sliding surface sliding under a wet condition in which a lubricant oil exists. The sliding surface is coated with a laminate film comprising an upper layer and a lower layer. The lower layer comprises hydrogen-free amorphous carbon (hydrogen-free DLC) and carbon particles dispersed on or in the hydrogen-free DLC. The hydrogen-free DLC has a hydrogen content of 5 atom % or less when the lower layer as a whole is 100 atom %. The upper layer comprises boron-containing amorphous carbon (B-DLC) and has protrusions on a surface side of the upper layer along the carbon particles of the lower layer. The B-DLC has a boron content of 1-40 atom % when the upper layer as a whole is 100 atom %. The protrusions have a particle diameter of 0.5-5 ?m and exist with a density of 20 protrusions/100 ?m2 or more.Type: ApplicationFiled: January 3, 2019Publication date: October 24, 2019Applicants: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, JTEKT CORPORATIONInventors: Masaru OKUYAMA, Hiroyuki MORI, Mamoru TOHYAMA, Noriyuki EMOTO, Naohito YOSHIDA
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Patent number: 10451771Abstract: An antireflection member, including a resin base member; and a particle layer having mesoporous-silica nanoparticles directly fixed to a surface of the resin base member, wherein the nanoparticles are at least partially embedded in the surface of the resin base member, and the nanoparticles are arranged in a mono-particle layer to form the particle layer.Type: GrantFiled: November 4, 2015Date of Patent: October 22, 2019Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Norihiro Mizoshita, Hiromitsu Tanaka
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Publication number: 20190319286Abstract: A honeycomb-shaped reaction vessel, comprising: a honeycomb-shaped substrate; and a reaction layer arranged in at least a portion of an inner wall of a cell of the honeycomb-shaped substrate dividedly in a direction along an inner circumference of the cell and dividedly in a longitudinal direction of the cell.Type: ApplicationFiled: April 12, 2019Publication date: October 17, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventor: Tadashi SUZUKI
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Publication number: 20190316655Abstract: A planetary gear mechanism has a first planetary gear train that includes a ring gear to which power from a main power source is input, a planetary carrier that is connected to a first output shaft, a first planetary pinion that is turnably supported by the planetary carrier, and a first sun gear that is connected to a distribution electric motor. The planetary gear mechanism also has a second planetary gear train that includes the ring gear, the planetary carrier, the first planetary pinion, a second planetary pinion that is turnably supported by the planetary carrier, and a second sun gear that is connected to a second output shaft.Type: ApplicationFiled: March 19, 2019Publication date: October 17, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Yasumitsu OSADA, Teruhiko NAKAZAWA, Atsushi SUZUKI, Hiroyuki NISHIZAWA, Yasuhiro TORII
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Patent number: 10444267Abstract: To realize a compact device that detects phase or controls phase or an amplitude with high sensitivity, a signal controller includes: a linear conductor having a first end fixed to a negative electrode and a second end serving as a free end; a positive electrode facing the free end with a small gap therebetween; a first signal source that applies a voltage between the negative electrode and the positive electrode, the voltage applied being variable; a driving electrode that applies an electric field to a space around the conductor, the electric field having a component perpendicular to the lengthwise direction of the conductor; and a second signal source that applies an AC signal to the driving electrode. The signal processor can be a device for controlling or modulating phase or amplitude.Type: GrantFiled: July 12, 2016Date of Patent: October 15, 2019Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Yukihiro Tadokoro, Hiroya Tanaka
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Publication number: 20190312256Abstract: A secondary battery 10 includes a first electrode 11, a first current collection part 12, a second electrode 16, and a separation membrane 21. The first electrode 11 is a columnar body including a first active material. The first current collection part 12 is connected to the first electrode. The second electrode 16 includes a second active material. The separation membrane 21 has ionic conductivity and insulates the first electrode 11 from the second electrode 16. The secondary battery 10 has a structure in which a plurality of the first electrodes 11 are bundled together, with each of the first electrodes 11 being adjacent to the second electrode 16 with the separation membrane 21 disposed therebetween. The plurality of the first electrodes 11 is connected to the first current collection part 12 via a connection part 13 formed of a low-melting-point metal.Type: ApplicationFiled: March 8, 2019Publication date: October 10, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventor: Tooru SAEKI
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Publication number: 20190310671Abstract: The present disclosure intends to simplify the wiring structure of a switching circuit included in a power conversion apparatus. A feedback signal acquisitor acquires a power supply feedback signal corresponding to electric power transmitted from a power supply switching unit to a load switching unit, via coupling conductive elements, from the power supply switching unit. Alternatively, the feedback signal acquisitor acquires a load feedback signal corresponding to the electric power, via coupling conductive elements, from the load switching unit. A command signal generator generates a power supply switching command signal and a load switching command signal. A command signal transmitter transmits the power supply switching command signal to the power supply switching unit via the coupling conductive elements, and transmits the load switching command signal to the load switching unit via the coupling conductive elements.Type: ApplicationFiled: April 3, 2019Publication date: October 10, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Keisuke ISHIKAWA, Shuntaro INOUE, Masanori ISHIGAKI
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Patent number: 10435808Abstract: An etching apparatus having a liquid bath storing an etching liquid, a substrate installation part capable of supporting the semiconductor substrate in vertical placement at a position at which a treatment surface of the semiconductor substrate is immersed in the etching liquid, a sample electrode provided at the substrate installation part and electrically connected to the semiconductor substrate, a counter electrode disposed at a position at which the counter electrode is immersed in the etching liquid in the liquid bath, a light source irradiating the treatment surface of the semiconductor substrate with light, and an irradiation window provided between the treatment surface of the semiconductor substrate and the light source and at a position separated from the semiconductor substrate in a horizontal direction.Type: GrantFiled: September 21, 2017Date of Patent: October 8, 2019Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Eiko Ishii, Yumi Saito, Teruhisa Akashi, Kenji Nakashima
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Publication number: 20190305090Abstract: A nitride semiconductor device may comprise a p-type layer. The nitride semiconductor device may comprise a first n-type voltage-blocking layer in contact with the p-type layer. The nitride semiconductor device may comprise a second n-type voltage-blocking layer in contact with the first n-type voltage-blocking layer and separated from the p-type layer by the first n-type voltage-blocking layer. A donor concentration in the first n-type voltage-blocking layer may be lower than a donor concentration in the second n-type voltage-blocking layer. A carbon concentration in the first n-type voltage-blocking layer may be lower than a carbon concentration in the second n-type voltage-blocking layer.Type: ApplicationFiled: February 26, 2019Publication date: October 3, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Kazuyoshi TOMITA, Tetsuo NARITA
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Publication number: 20190305378Abstract: An electricity storage device includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and an electrolyte that includes an organic crystal layer including a layered structure and an organic solvent introduced into the organic crystal layer and that is interposed between the positive electrode and the negative electrode to conduct alkali metal ions. The layered structure includes an organic backbone layer containing an aromatic dicarboxylic acid anion having an aromatic ring structure, and an alkali metal element layer containing an alkali metal element that is coordinated with oxygen contained in a carboxylic acid of the organic backbone layer to form a framework. At least one of the positive electrode and the negative electrode adsorbs and desorbs the ions to store and release electric charge.Type: ApplicationFiled: March 11, 2019Publication date: October 3, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventor: Nobuhiro OGIHARA
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Publication number: 20190305127Abstract: A semiconductor device may include: a semiconductor layer; and a trench gate. The semiconductor layer may include: a first semiconductor region of a first conductive type; a second semiconductor region of a second conductive type provided above the first semiconductor region and facing a side surface of the trench gate; and a third semiconductor region of the first conductive type provided above the second semiconductor region, separated from the first semiconductor region by the second semiconductor region, and facing the side surface of the trench gate. The first semiconductor region may include: a lower semiconductor region; and an upper semiconductor region disposed between the lower semiconductor region and the second semiconductor region and having a lower impurity concentration than the lower semiconductor region. The upper semiconductor region may be disposed at a shallower position than the trench gate and face the side surface of the trench gate.Type: ApplicationFiled: March 22, 2019Publication date: October 3, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Tsutomu UESUGI, Masakazu KANECHIKA
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Publication number: 20190292056Abstract: A carbon material precursor comprises an acrylamide-based polymer having a weight-average molecular weight of 10,000 to 2,000,000 and a polydispersity of the molecular weight (weight-average molecular weight/number-average molecular weight) of 5.0 or less.Type: ApplicationFiled: March 14, 2019Publication date: September 26, 2019Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Takuya MORISHITA, Kazuhiro NOMURA, Hiromitsu TANAKA, Megumi SASAKI, Makoto KATO