Patents by Inventor Hiroshi Tasai
Hiroshi Tasai 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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Patent number: 11984533Abstract: A light emitting device according to an embodiment of the present disclosure includes: a first layer including Alx2Inx1Ga(1-x1-x2) N (0<x1<1, 0?x2<1); a second layer that is provided on the first layer and includes Aly2Iny1Ga(1-y1-y2) N (0<y1<1, 0?y2<1) that is lattice relaxed with respect to the first layer; and a third layer that is provided on the second layer, includes Alz2Inz1Ga(1-z1-z2) N (0<z1<1, 0?z2<1) that is lattice relaxed with respect to the second layer, and includes an active layer. A lattice constant aGAN of GaN in an in-plane direction, a lattice constant al of the first layer in an in-plane direction, a lattice constant a2 of the second layer in an in-plane direction, and a lattice constant a3 of the third layer in an in-plane direction have a relationship of aGAN<a2<a1, a3.Type: GrantFiled: July 1, 2019Date of Patent: May 14, 2024Assignee: Sony CorporationInventors: Kunihiko Tasai, Hiroshi Nakajima, Hidekazu Kawanishi, Katsunori Yanashima
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Publication number: 20190058228Abstract: An electric storage device includes a case, an electric storage element disposed in the case and away from a wall of the case, and a heat transfer member in contact with an outer surface of the wall.Type: ApplicationFiled: October 19, 2018Publication date: February 21, 2019Inventors: Hiroshi TASAI, Seiji NEMOTO
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Patent number: 10122053Abstract: An electric storage apparatus includes a plurality of electric storage devices arranged side by side, each electric storage device including a case having a plurality of walls and an electric storage element which is housed in the case. The apparatus also includes a sheet-shaped heat transfer member which is in contact with outer surfaces of short sidewalls of the plurality of electric storage devices.Type: GrantFiled: October 20, 2016Date of Patent: November 6, 2018Assignee: GS YUASA INTERNATIONAL LTD.Inventors: Hiroshi Tasai, Seiji Nemoto
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Patent number: 9698404Abstract: A connecting body for electrically connecting a power generating element and an electrode terminal positioned on a surface of a device container for housing the power generating element, the connecting body including: a plate portion positioned on the surface of the device container; and a protruding portion being in a position on a surface of the plate portion and displaced from a position of the electrode terminal, and having a tip end protruding to face the power generating element and a base with a peripheral edge surrounded with a principal face of the plate portion.Type: GrantFiled: August 28, 2012Date of Patent: July 4, 2017Assignee: GS YUASA INTERNATIONAL LTD.Inventors: Noriyoshi Munenaga, Taku Nakamura, Wataru Mashiko, Hiroshi Tasai
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Publication number: 20170040652Abstract: An electric storage apparatus includes a plurality of electric storage devices arranged side by side, each electric storage device including a case having a plurality of walls and an electric storage element which is housed in the case. The apparatus also includes a sheet-shaped heat transfer member which is in contact with outer surfaces of short sidewalls of the plurality of electric storage devices.Type: ApplicationFiled: October 20, 2016Publication date: February 9, 2017Inventors: Hiroshi TASAI, Seiji Nemoto
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Patent number: 9509022Abstract: An electric storage device includes a case having a cuboid shape and including a terminal surface having an electrode terminal, a bottom surface opposite to the terminal surface, a long side surface, and a short side surface. The device also includes an electric storage element formed by winding positive and negative plates being laminated via a separator, the electric storage element being housed in the case and being away from an inner surface of the long side surface, the electric storage element being in electrical connection with the electrode terminal, and a heat transfer member in contact with an outer surface of the long side surface.Type: GrantFiled: August 26, 2014Date of Patent: November 29, 2016Assignee: GS Yuasa International Ltd.Inventors: Hiroshi Tasai, Seiji Nemoto
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Patent number: 9112233Abstract: Disclosed is a method for manufacturing a cell which includes: a first step of manufacturing a core using a core manufacturing apparatus, the apparatus including a pair of winding shafts disposed with a rotation center of the apparatus interposed therebetween, the pair of winding shafts orbitally moving about the rotation center; and a second step of fabricating a laminated electrode member with a sheet-shaped positive electrode, a sheet-shaped negative electrode and a pair of sheet-shaped separators interposed thereto to be arranged alternately with the electrodes; and winding the laminated electrode member around a circumferential surface of the core. The first step includes: inserting a sheet having a higher strength than the separators between the winding shafts; orbitally moving the pair of winding shafts; and adhesively bonding or melt-bonding overlapped portions of the sheet at the winding shafts.Type: GrantFiled: January 28, 2010Date of Patent: August 18, 2015Assignee: GS Yuasa International Ltd.Inventors: Isao Suzuki, Noriyoshi Munenaga, Taku Nakamura, Hiroshi Tasai, Shun Ito
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Publication number: 20140363709Abstract: An electric storage device includes a case having a cuboid shape and including a terminal surface having an electrode terminal, a bottom surface opposite to the terminal surface, a long side surface, and a short side surface. The device also includes an electric storage element formed by winding positive and negative plates being laminated via a separator, the electric storage element being housed in the case and being away from an inner surface of the long side surface, the electric storage element being in electrical connection with the electrode terminal, and a heat transfer member in contact with an outer surface of the long side surface.Type: ApplicationFiled: August 26, 2014Publication date: December 11, 2014Inventors: Hiroshi TASAI, Seiji NEMOTO
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Patent number: 8846226Abstract: A cell includes a case having a plurality of walls, a power generating element housed in the case in a state of being away from an inner surface of a bottom surface of the case, and a heat transfer member in contact with an outer surface of the bottom surface of the case.Type: GrantFiled: January 5, 2012Date of Patent: September 30, 2014Assignee: Lithium Energy JapanInventors: Hiroshi Tasai, Seiji Nemoto
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Publication number: 20140212740Abstract: A connecting body for electrically connecting a power generating element and an electrode terminal positioned on a surface of a device container for housing the power generating element, the connecting body including: a plate portion positioned on the surface of the device container; and a protruding portion being in a position on a surface of the plate portion and displaced from a position of the electrode terminal, and having a tip end protruding to face the power generating element and a base with a peripheral edge surrounded with a principal face of the plate portion.Type: ApplicationFiled: August 28, 2012Publication date: July 31, 2014Applicant: Lithium Energy JapanInventors: Noriyoshi Munenaga, Taku Nakamura, Wataru Mashiko, Hiroshi Tasai
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Patent number: 8329338Abstract: The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding condition from the main portion 2a of the current-collector connector 2; hence the shape of the current-collector connector 2 becomes easy to form, and a battery capable of enhancing current collection efficiency, reliability and workability can be provided.Type: GrantFiled: August 18, 2011Date of Patent: December 11, 2012Assignee: GS Yuasa International Ltd.Inventors: Hiroshi Tasai, Isao Suzuki, Takeshi Shimozono, Noriyoshi Munenaga, Tetsuzo Kojima, Takehito Matsubara
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Publication number: 20120177960Abstract: A cell includes a case having a plurality of walls, a power generating element housed in the case in a state of being away from an inner surface of a bottom surface of the case, and a heat transfer member in contact with an outer surface of the bottom surface of the case.Type: ApplicationFiled: January 5, 2012Publication date: July 12, 2012Inventors: Hiroshi TASAI, Seiji Nemoto
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Publication number: 20120021267Abstract: The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding condition from the main portion 2a of the current-collector connector 2; hence the shape of the current-collector connector 2 becomes easy to form, and a battery capable of enhancing current collection efficiency, reliability and workability can be provided.Type: ApplicationFiled: August 18, 2011Publication date: January 26, 2012Applicant: GS YUASA INTERNATIONAL LTD.Inventors: Hiroshi TASAI, Isao SUZUKI, Takeshi SHIMOZONO, Noriyoshi MUNENAGA, Tetsuzo KOJIMA, Takehito MATSUBARA
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Publication number: 20110287293Abstract: Disclosed is a method for manufacturing a cell which includes: a first step of manufacturing a core using a core manufacturing apparatus, the apparatus including a pair of winding shafts disposed with a rotation center of the apparatus interposed therebetween, the pair of winding shafts orbitally moving about the rotation center; and a second step of fabricating a laminated electrode member with a sheet-shaped positive electrode, a sheet-shaped negative electrode and a pair of sheet-shaped separators interposed thereto to be arranged alternately with the electrodes; and winding the laminated electrode member around a circumferential surface of the core. The first step includes: inserting a sheet having a higher strength than the separators between the winding shafts; orbitally moving the pair of winding shafts; and adhesively bonding or melt-bonding overlapped portions of the sheet at the winding shafts.Type: ApplicationFiled: January 28, 2010Publication date: November 24, 2011Applicant: GS YUASA INTERNATIONAL LTD.Inventors: Isao Suzuki, Noriyoshi Munenaga, Taku Nakamura, Hiroshi Tasai, Shun Ito
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Patent number: 8034482Abstract: The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding condition from the main portion 2a of the current-collector connector 2; hence the shape of the current-collector connector 2 becomes easy to form, and a battery capable of enhancing current collection efficiency, reliability and workability can be provided.Type: GrantFiled: March 29, 2010Date of Patent: October 11, 2011Assignee: GS Yuasa International Ltd.Inventors: Hiroshi Tasai, Isao Suzuki, Takeshi Shimozono, Noriyoshi Munenaga, Tetsuzo Kojima, Takehito Matsubara
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Publication number: 20100233526Abstract: The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding condition from the main portion 2a of the current-collector connector 2; hence the shape of the current-collector connector 2 becomes easy to form, and a battery capable of enhancing current collection efficiency, reliability and workability can be provided.Type: ApplicationFiled: March 29, 2010Publication date: September 16, 2010Applicant: GS YUASA CORPORATIONInventors: Hiroshi TASAI, Isao SUZUKI, Takeshi SHIMOZONO, Noriyoshi MUNENAGA, Tetsuzo KOJIMA, Takehito MATSUBARA
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Patent number: 7718312Abstract: The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding condition from the main portion 2a of the current-collector connector 2; hence the shape of the current-collector connector 2 becomes easy to form, and a battery capable of enhancing current collection efficiency, reliability and workability can be provided.Type: GrantFiled: May 27, 2003Date of Patent: May 18, 2010Assignee: GS Yuasa CorporationInventors: Hiroshi Tasai, Isao Suzuki, Takeshi Shimozono, Noriyoshi Munenaga, Tetsuzo Kojima, Takehito Matsubara
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Patent number: 7510798Abstract: An assembled battery device comprising a plurality of single cells which are placed with a predetermined space between each of them and an element for detecting swelling is set in the predetermined space between the single cells and operates in accordance with the transformation of the single cells by swelling. Therefore, when a single cell swells and transforms, resulting from being overcharged, the element for detecting swelling is activated in accordance with such transformation and detects the state of overcharging.Type: GrantFiled: June 4, 2002Date of Patent: March 31, 2009Assignee: GS Yuasa CorporationInventors: Hideki Masuda, Hiroshi Tasai, Koichi Nishiyama
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Patent number: D591230Type: GrantFiled: November 7, 2007Date of Patent: April 28, 2009Assignee: GS Yuasa CorporationInventor: Hiroshi Tasai
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Patent number: D604696Type: GrantFiled: November 7, 2007Date of Patent: November 24, 2009Assignee: GS Yuasa CorporationInventor: Hiroshi Tasai