Patents by Inventor Masakazu Yamada
Masakazu Yamada 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: 20240145780Abstract: An electrolyte solution capable of reducing the initial resistance of an electrochemical device, and an electrochemical device including the electrolyte solution. The electrolyte solution contains a compound represented by formula (I-1): wherein R111 to R113 are each individually a C1-C4 linear alkyl group, and wherein the compound (1-1) is present in an amount of 0.01-1000 mass ppm relative to the electrolyte solution.Type: ApplicationFiled: November 30, 2023Publication date: May 2, 2024Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tomoya HIDAKA, Masakazu KINOSHITA, Yoshiko KUWAJIMA, Takaya YAMADA, Shigeaki YAMAZAKI, Yuuki SUZUKI, Kenzou TAKAHASHI
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Publication number: 20240088450Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Applicant: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
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Patent number: 11929481Abstract: A method for manufacturing a rechargeable battery includes forming a mixture layer and an insulating layer on an electrode substrate having an edge extending in a specified direction so that an exposed portion where the electrode substrate is exposed extends between the edge and the insulating layer; pressing the mixture layer; and stretching an extension portion, located between the edge and the mixture layer, and the insulating layer in the specified direction. The stretching includes applying a stress greater than or equal to yield stress of the electrode substrate or greater than or equal to 0.2% proof stress of the electrode substrate and less than tensile strength of the electrode substrate to the extension portion, and applying a stress greater than or equal to yield stress of the insulating layer or greater than or equal to 0.2% proof stress of the insulating layer to the insulating layer.Type: GrantFiled: November 30, 2022Date of Patent: March 12, 2024Assignees: PRIMEARTH EV ENERGY CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Masakazu Umehara, Naomichi Ishikawa, Naoto Ooshiro, Yuuki Kudou, Hideki Hayashi, Hiroki Yamada, Naoya Kishimoto
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Patent number: 11916195Abstract: An electrolyte solution containing a compound (1) represented by the formula (1), (wherein R101 and R102 are each individually a substituent such as a C1-C7 alkyl group, and the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group) and at least one compound (11) selected from compounds such as a compound represented by formula (11-1) (wherein R111 and R112 are the same as or different from each other and are each a hydrogen atom or the like, and R113 is an alkyl group free from a fluorine atom or the like):Type: GrantFiled: March 11, 2019Date of Patent: February 27, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Masakazu Kinoshita, Tomoya Hidaka, Toshiharu Shimooka, Shigeaki Yamazaki, Hisako Nakamura, Takaya Yamada, Yuuki Suzuki, Yoshiko Kuwajima, Kenzou Takahashi, Akiyoshi Yamauchi, Kotaro Hayashi
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Patent number: 11862762Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: GrantFiled: January 18, 2023Date of Patent: January 2, 2024Assignee: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
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Publication number: 20230155182Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: ApplicationFiled: January 18, 2023Publication date: May 18, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
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Patent number: 11569552Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: GrantFiled: September 30, 2021Date of Patent: January 31, 2023Assignee: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
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Publication number: 20220021086Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: ApplicationFiled: September 30, 2021Publication date: January 20, 2022Applicant: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
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Patent number: 11165125Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: GrantFiled: February 19, 2019Date of Patent: November 2, 2021Assignee: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
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Publication number: 20190181416Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: ApplicationFiled: February 19, 2019Publication date: June 13, 2019Applicant: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
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Patent number: 10256457Abstract: A conductive member including an opening portion is connected to a positive terminal and is integrally secured to a sealing plate together with an outer insulating member and a second insulating member. The conductive member opening portion is sealed by a deformable plate. A base portion of a positive electrode current collector is connected to the deformable plate. A first insulating member that is disposed between the deformable plate and the base portion of the positive electrode current collector includes a pair of first catch portions that are disposed so as to be aligned in a longitudinal direction of the sealing plate and a pair of second catch portions that are disposed so as to be aligned in a transverse direction of the sealing plate. The first catch portions and the second catch portions are connected to the second insulating member disposed between the sealing plate and the conductive member.Type: GrantFiled: July 20, 2016Date of Patent: April 9, 2019Assignee: SANYO Electric Co., Ltd.Inventors: Takuya Yamawaki, Eiji Okutani, Masakazu Yamada
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Patent number: 10249867Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: GrantFiled: March 9, 2016Date of Patent: April 2, 2019Assignee: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
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Patent number: 10210264Abstract: A vehicle-repair support system including a communication terminal and a server is provided. The communication terminal obtains vehicle information from a vehicle. The server receives vehicle information from the communication terminal and supports repair of the vehicle. The server comprises an inquiry unit, a search unit and a search result notification unit. The inquiry unit makes an inquiry to a repair requester about a vehicle condition. Based on a result of the inquiry made by the inquiry unit, the search unit makes a search for information about similar cases which involve a symptom similar to a symptom of the vehicle targeted for the repair. The search result notification unit notifies a result of the search made by the search unit to the communication terminal.Type: GrantFiled: April 15, 2014Date of Patent: February 19, 2019Assignee: DENSO CORPORATIONInventors: Hiroaki Morimoto, Masakazu Yamada, Naoki Muramatsu, Hiroki Ukai
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Patent number: 10181596Abstract: A positive electrode sheet is electrically connected to a positive terminal with a positive electrode current collector, a deformable plate, and a conductive member interposed therebetween. When the pressure inside a battery is higher than or equal to a predetermined value, the deformable plate is deformed toward a sealing plate and an annular groove formed on a base portion of the positive electrode current collector is broken due to deformation of the deformable plate so that a conductive path between the positive electrode sheet and the positive terminal is disconnected. A first insulating member disposed between the deformable plate and the base portion of the positive electrode current collector includes a first rotation preventing protrusion on a surface thereof on a wound electrode body side and outside an outer circumferential edge of the base portion of the positive electrode current collector.Type: GrantFiled: July 20, 2016Date of Patent: January 15, 2019Assignee: SANYO Electric Co., Ltd.Inventors: Takuya Yamawaki, Eiji Okutani, Masakazu Yamada
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Patent number: 9653722Abstract: There is provided a prismatic secondary battery having high reliability and including a connecting part, wherein a terminal member and an external conduction member are connected by a swaged part and a welded part. The terminal member includes a flange, a first connecting part formed on a first surface side of the flange, and a second connecting part formed on a second surface side of the flange. The flange and the second connecting part are disposed on a battery exterior side than a sealing body. The first connecting part penetrates a through-hole formed in the sealing body. The second connecting part penetrates a through-hole formed in an external conduction member. The second connecting part includes a tip part swaged on the external conduction member. An abutting part of a tip of the swaged part of the second connecting part and a protruding part of the external conduction member is weld-connected.Type: GrantFiled: February 27, 2014Date of Patent: May 16, 2017Assignee: SANYO Electric Co., Ltd.Inventors: Masakazu Yamada, Takayuki Hattori, Yohei Muroya, Yasuhiro Yamauchi
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Patent number: 9627659Abstract: An insulation sheet is disposed between a rectangular housing and an electrode body. A first side wall of the insulation sheet is disposed between a large-area side surface of the rectangular housing and the electrode body. The first side wall includes a first folded portion that is folded along an edge of the first side wall near a sealing plate. The first folded portion extends from an edge of the first side wall near the sealing plate toward a bottom surface of the rectangular housing and is disposed between the large-area side surface and the electrode body in such a way that the first folded portion overlaps the first side wall.Type: GrantFiled: May 19, 2015Date of Patent: April 18, 2017Assignee: SANYO Electric Co., Ltd.Inventors: Masakazu Yamada, Eiji Okutani, Yasuhiro Yamauchi
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Patent number: 9607448Abstract: According to one embodiment of the present disclosure, there is provided a vehicle diagnosis system equipped with a communication terminal for transmitting vehicle information acquired from a vehicle to a server, and a server for analyzing the vehicle information received from the communication terminal and diagnosing the vehicle. The server is provided with a WEB screen providing unit for providing a WEB screen including instructions for the operator in a manner that the communication terminal can display via a communication network. The communication terminal displays the provided WEB screen via the communication network.Type: GrantFiled: March 5, 2014Date of Patent: March 28, 2017Assignee: DENSO CORPORATIONInventors: Hiroki Ukai, Naoki Muramatsu, Masakazu Yamada
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Publication number: 20170025667Abstract: A conductive member including an opening portion is connected to a positive terminal and is integrally secured to a sealing plate together with an outer insulating member and a second insulating member. The conductive member opening portion is sealed by a deformable plate. A base portion of a positive electrode current collector is connected to the deformable plate. A first insulating member that is disposed between the deformable plate and the base portion of the positive electrode current collector includes a pair of first catch portions that are disposed so as to be aligned in a longitudinal direction of the sealing plate and a pair of second catch portions that are disposed so as to be aligned in a transverse direction of the sealing plate. The first catch portions and the second catch portions are connected to the second insulating member disposed between the sealing plate and the conductive member.Type: ApplicationFiled: July 20, 2016Publication date: January 26, 2017Applicant: Sanyo Electric Co., Ltd.Inventors: Takuya Yamawaki, Eiji Okutani, Masakazu Yamada
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Publication number: 20170025666Abstract: A positive electrode sheet is electrically connected to a positive terminal with a positive electrode current collector, a deformable plate, and a conductive member interposed therebetween. When the pressure inside a battery is higher than or equal to a predetermined value, the deformable plate is deformed toward a sealing plate and an annular groove formed on a base portion of the positive electrode current collector is broken due to deformation of the deformable plate so that a conductive path between the positive electrode sheet and the positive terminal is disconnected. A first insulating member disposed between the deformable plate and the base portion of the positive electrode current collector includes a first rotation preventing protrusion on a surface thereof on a wound electrode body side and outside an outer circumferential edge of the base portion of the positive electrode current collector.Type: ApplicationFiled: July 20, 2016Publication date: January 26, 2017Applicant: Sanyo Electric Co., Ltd.Inventors: Takuya Yamawaki, Eiji Okutani, Masakazu Yamada
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Publication number: 20160293929Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.Type: ApplicationFiled: March 9, 2016Publication date: October 6, 2016Applicant: SANYO Electric Co., Ltd.Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya