Patents by Inventor Takuya MATSUYAMA
Takuya MATSUYAMA 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: 20240120552Abstract: The sulfide solid-state battery of the present disclosure has a battery laminate having one or more unit batteries; and an inorganic coating layer covering at least a portion of the periphery of the battery laminate. The unit battery is formed by laminating a positive electrode layer, a solid electrolyte layer, and a negative electrode layer in this order. At least one of the positive electrode layer, the solid electrolyte layer, and the negative electrode layer contains a sulfide solid electrolyte. The inorganic coating layer is made of an inorganic glass having a glass transition point of 260° C. or higher and 360° C. or lower.Type: ApplicationFiled: July 7, 2023Publication date: April 11, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinji NAKANISHI, Takuya MATSUYAMA
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Publication number: 20240097247Abstract: The laminated film of the present disclosure is a laminated film having a metallic foil, a sealant forming layer laminated to the metallic foil, and an optional glassy protective layer, wherein the sealant forming layer comprises a binder resin joining the glass frit and the glass frit to each other, and wherein the 5% weight loss temperature of the binder resin is lower than the glass transition point of the glass constituting the glass frit.Type: ApplicationFiled: July 10, 2023Publication date: March 21, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takuya MATSUYAMA
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Publication number: 20240079601Abstract: The resin current collector of the present disclosure includes a base material resin, a conductive resin layer including a conductive filler dispersed in the base material resin, and a fluorine-based resin layer laminated on the conductive resin layer. Further, in the use of the resin current collector in the laminated battery, the current collector of at least one end face of the laminated battery is the resin current collector of the present disclosure, and the conductive resin layer is in contact with the other layer constituting the laminated battery, and the fluorine-based resin layer is disposed so as to face the opposite side to the other layer constituting the laminated battery.Type: ApplicationFiled: July 24, 2023Publication date: March 7, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinji NAKANISHI, Takuya Matsuyama
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Publication number: 20240063388Abstract: A main object of the present disclosure is to provide a cathode active material capable of suppressing the reaction with a solid electrolyte. The present disclosure achieves the object by providing a coated cathode active material comprising: a cathode active material, and a coating portion coating at least a part of a surface of the cathode active material, and the coating portion includes a scandium lithium phosphate based compound or a lithium borate based compound.Type: ApplicationFiled: November 2, 2023Publication date: February 22, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koutarou AOYAGI, Takuya MATSUYAMA
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Publication number: 20230155111Abstract: A positive electrode includes a first active material and a second active material. The first active material contains at least Li, Mn, and O as constituent elements and includes an O2 type structure. The second active material contains at least Li, a transition metal element, and O as constituent elements but does not contain Mn, and includes the O2 type structure.Type: ApplicationFiled: October 27, 2022Publication date: May 18, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takuya MATSUYAMA
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Publication number: 20220367906Abstract: An all solid state battery including: a battery cell; a first current collecting member; a second current collecting member; and an outer package. The battery cell contains a sulfide solid electrolyte; the outer package includes a first outer package member arranged on a first surface side of the battery cell, and a second outer package member arranged on a second surface side of the battery cell; a resin layer A is arranged in, at least one position of, a position between the first outer package member and the first current collecting member, and a position between the second outer package member and the second current collecting member; a resin layer B is arranged in a side surface part of the battery cell; and each of the resin layer A and the resin layer B contains an adhesive resin.Type: ApplicationFiled: May 5, 2022Publication date: November 17, 2022Applicant: Toyota Jidosha Kabushiki KaishaInventors: Takuya Matsuyama, Masatsugu Kawakami, Tetsuya Waseda
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Publication number: 20220337128Abstract: A motor includes a rotor rotatable about a central axis and a stator including coils. The stator opposes the rotor with a gap interposed therebetween. A housing defines at least a portion of a closed chamber in which a cooling medium is housed. Heat dissipation portions are able to release heat of the cooling medium in the closed chamber to an outside. A pressure adjustment portion is able to adjust a pressure in the closed chamber. At least a portion of the coils and the rotor is housed in the closed chamber.Type: ApplicationFiled: August 21, 2020Publication date: October 20, 2022Inventors: Takaaki BANDO, Takuya MATSUYAMA
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Publication number: 20220173431Abstract: There is provided an all-solid-state battery including a positive electrode, a solid electrolyte layer, and a negative electrode, wherein the positive electrode contains a positive electrode active material, and the positive electrode active material has an O2 type structure and contains at least Li, Mn, Ni and O as constituent elements.Type: ApplicationFiled: November 18, 2021Publication date: June 2, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takuya MATSUYAMA
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Publication number: 20220173393Abstract: A main object of the present disclosure is to provide a cathode active material capable of suppressing the reaction with a solid electrolyte. The present disclosure achieves the object by providing a coated cathode active material comprising: a cathode active material, and a coating portion coating at least a part of a surface of the cathode active material, and the coating portion includes a scandium lithium phosphate based compound or a lithium borate based compound.Type: ApplicationFiled: November 30, 2021Publication date: June 2, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koutarou AOYAGI, Takuya MATSUYAMA
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Publication number: 20220013873Abstract: A solid-state battery that includes a solid-state battery laminate having at least one battery constituent unit in a lamination direction, the battery constituent unit including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer; a positive electrode terminal on a surface of the solid-state battery laminate; and a negative electrode terminal on the surface of the solid-state battery laminate. In addition, the negative electrode layer includes a negative electrode active material configured to be charged and discharged at a potential of ?2 V or less with respect to a standard electrode potential, and the negative electrode terminal includes a terminal material that does not react with lithium ions at a potential of ?3 V to ?2 V with respect to the standard electrode potential.Type: ApplicationFiled: September 24, 2021Publication date: January 13, 2022Inventors: Kiyoshi Kumagae, Takuya Matsuyama, Keisuke Shimizu
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Publication number: 20210392784Abstract: A heat dissipating structure includes a heat sink having a top surface and an opposing bottom surface. The heat dissipating structure further includes an insulating layer attached to the top surface of the heat sink. The heat dissipating structure also includes a wiring pattern disposed directly on the insulating layer. The heat dissipating structure further includes at least one heat-generating electronic component connected to the wiring pattern. An electronic control unit includes a heat dissipating structure having a heat sink and at least one heat-generating electronic component thermally coupled to the heat sink, and a print circuit board (PCB) located spaced from the top surface of the heat sink such that an air gap exists therebetween.Type: ApplicationFiled: March 4, 2021Publication date: December 16, 2021Inventors: Takuya MATSUYAMA, Trevor STITELER, Takehide OMURA
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Patent number: 10389212Abstract: A printed circuit board and multiple components, which are mounted on both sides of the printed circuit board, form a circuit to drive a motor. The printed circuit board is opposed to a case at a one side. First thermal conductive portion is interposed between a heat generating component of the components and the case. Second thermal conductive portion is interposed between the circuit board and the case. The first and second thermal conductive portions are formed of the same flexible material, are equipped to the same side of the circuit board, are in contact with both the circuit board and the case, and are located at different positions.Type: GrantFiled: May 30, 2017Date of Patent: August 20, 2019Assignee: DENSO CORPORATIONInventors: Yasuhiro Ishimoto, Kazuyuki Watanabe, Takuya Matsuyama
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Patent number: 9949386Abstract: A case includes a base and a cover and defines an accommodation space therein. The base has a first through hole through which a magnetoelectric conversion element, which is mounted on a circuit board, is opposed to a sensor magnet of a motor. A connector includes a terminal and a housing, which supports the terminal. The connector has a first protrusion projected toward the base for positioning. The first protrusion of the connector has a tip end inserted through a second through hole of the printed circuit board and further inserted in a hole portion of the base. A second protrusion of the base is projected toward the printed circuit board and is inserted in a third through hole of the printed circuit board for positioning.Type: GrantFiled: May 30, 2017Date of Patent: April 17, 2018Assignee: DENSO CORPORATIONInventors: Takuya Matsuyama, Takashi Hoshino, Kazuyuki Watanabe
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Patent number: 9948160Abstract: A base of a case has an inner groove portion, which surrounds a circuit board, and an outer groove portion. A first projected portion of a connector is inserted in the inner groove portion via a first seal portion. A second projected portion of the connector is inserted in the outer groove portion via a second seal portion. The first seal portion and the second seal portion are formed of the same material and are interposed between a periphery of an opening of the case and the connector. The first seal portion in the inner groove portion is in contact with the first projected portion of the connector to water tightly seal an accommodation space formed in the case. The second seal portion in the outer groove portion is in contact with the second projected portion of the connector to restrict vibration of the connector.Type: GrantFiled: May 30, 2017Date of Patent: April 17, 2018Assignee: DENSO CORPORATIONInventors: Takuya Matsuyama, Kazuyuki Watanabe
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Publication number: 20180007802Abstract: A case includes a base and a cover and defines an accommodation space therein. The base has a first through hole through which a magnetoelectric conversion element, which is mounted on a circuit board, is opposed to a sensor magnet of a motor. A connector includes a terminal and a housing, which supports the terminal. The connector has a first protrusion projected toward the base for positioning. The first protrusion of the connector has a tip end inserted through a second through hole of the printed circuit board and further inserted in a hole portion of the base. A second protrusion of the base is projected toward the printed circuit board and is inserted in a third through hole of the printed circuit board for positioning.Type: ApplicationFiled: May 30, 2017Publication date: January 4, 2018Inventors: Takuya MATSUYAMA, Takashi HOSHINO, Kazuyuki WATANABE
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Publication number: 20180006520Abstract: A printed circuit board and multiple components, which are mounted on both sides of the printed circuit board, form a circuit to drive a motor. The printed circuit board is opposed to a case at a one side. First thermal conductive portion is interposed between a heat generating component of the components and the case. Second thermal conductive portion is interposed between the circuit board and the case. The first and second thermal conductive portions are formed of the same flexible material, are equipped to the same side of the circuit board, are in contact with both the circuit board and the case, and are located at different positions.Type: ApplicationFiled: May 30, 2017Publication date: January 4, 2018Inventors: Yasuhiro ISHIMOTO, Kazuyuki WATANABE, Takuya MATSUYAMA
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Publication number: 20180006525Abstract: A base of a case has an inner groove portion, which surrounds a circuit board, and an outer groove portion. A first projected portion of a connector is inserted in the inner groove portion via a first seal portion. A second projected portion of the connector is inserted in the outer groove portion via a second seal portion. The first seal portion and the second seal portion are formed of the same material and are interposed between a periphery of an opening of the case and the connector. The first seal portion in the inner groove portion is in contact with the first projected portion of the connector to water tightly seal an accommodation space formed in the case. The second seal portion in the outer groove portion is in contact with the second projected portion of the connector to restrict vibration of the connector.Type: ApplicationFiled: May 30, 2017Publication date: January 4, 2018Inventors: Takuya MATSUYAMA, Kazuyuki WATANABE