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公开(公告)号：US09946008B2
公开(公告)日：2018-04-17
申请号：US14885591
申请日：2015-10-16
Inventor： Atsushi Fukui , Masaru Fujita , Tomohisa Sakaguchi
CPC classification number: G02B6/0036 , A47L5/00 , A47L9/244 , A47L9/281 , A47L9/2857 , A47L9/30 , F21V33/0044 , G02B6/0031
Abstract: An indication lighting device provided is capable of reducing the number of electric wiring from a fixed, part to a moving part when an indication part is provided in the moving part's side. The indication lighting device makes indication by emitting light from a light source arranged in a fixed part to an optical waveguide arranged in a moving part, reflecting the light incident on the optical waveguide by reflection surfaces of prisms of the optical waveguide to an indication part provided in a tip side of the optical waveguide to be propagated, and emitting the light propagated inside the optical waveguide through the indication part.
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公开(公告)号：US12237509B2
公开(公告)日：2025-02-25
申请号：US17619707
申请日：2020-06-16
Inventor： Kenji Matsubara , Hiroshi Kawada , Atsushi Fukui , Masanobu Takeuchi
IPC: H01M4/583 , H01M4/02 , H01M10/0525 , H01M10/0562
Abstract: A secondary battery including a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes a carbon material electrochemically capable of absorbing and releasing lithium ions, and a solid electrolyte covering at least part of a surface of the carbon material and having lithium ion conductivity. The solid electrolyte includes a first compound represented by a general formula: LixM1Oy, where 0.5
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公开(公告)号：US12191480B2
公开(公告)日：2025-01-07
申请号：US17604144
申请日：2020-04-24
Inventor： Kosuke Kuroda , Hiroshi Kawada , Atsushi Fukui
Abstract: A positive electrode active material for a secondary battery according to an embodiment contains: a first composite oxide component represented by general formula Liα[LixMnyCozMe(1−x−y−z)]O2 (in the formula, Me is at least one selected from among Ni Fe, Ti, Bi, Nb, W, Mo, and Ta, 0.5
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公开(公告)号：US12051796B2
公开(公告)日：2024-07-30
申请号：US17336566
申请日：2021-06-02
Inventor： Hiroshi Kawada , Hiroyuki Matsumoto , Atsushi Fukui
IPC: H01M4/131 , H01M4/04 , H01M4/133 , H01M4/136 , H01M4/139 , H01M4/36 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/587 , H01M4/62 , H01M10/0525 , H01M4/02
CPC classification number: H01M4/131 , H01M4/0428 , H01M4/133 , H01M4/136 , H01M4/139 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/587 , H01M4/621 , H01M10/0525 , H01M2004/027 , Y02E60/10 , Y02T10/70
Abstract: A method for producing a negative electrode for a nonaqueous electrolyte secondary battery, and a nonaqueous electrolyte secondary battery obtained therewith are disclosed. The negative electrode includes a negative electrode current collector, a negative electrode active material layer provided on the surface of the negative electrode current collector, and a first film which has lithium ion permeability and which coats at least a portion of the surface of the negative electrode active material layer and partially coats the surface of the negative electrode current collector. The first film preferably contains a first lithium compound containing an element M1, an element A1, and lithium. Herein, M1 is at least one selected from the group consisting of P, Si, B, V, Nb, W, Ti, Zr, Al, Ba, La, and Ta; and A1 is at least one selected from the group consisting of F, S, O, N, and Br.
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55.发明授权公开(公告)号：US11870053B2
公开(公告)日：2024-01-09
申请号：US16576214
申请日：2019-09-19
Inventor： Takuya Sadakane , Hiroshi Kawada , Atsushi Fukui
IPC: H01M4/133 , H01M4/583 , H01M4/62 , H01M10/0525 , H01M10/0568 , H01M4/02 , H01M4/1393
CPC classification number: H01M4/133 , H01M4/1393 , H01M4/583 , H01M4/625 , H01M10/0525 , H01M10/0568 , H01M2004/027
Abstract: A secondary-battery negative electrode includes: a negative electrode collector; and a negative electrode active material layer provided on a surface of the negative electrode collector, and the negative electrode active material layer includes active material particles and amorphous carbon which covers at least parts of surfaces of the active material particles. At least a part of a surface of the amorphous carbon is covered with a film having a lithium ion permeability, the film contains an element M, and the element M is at least one selected from the group consisting of P, Si, B, V, Nb, W, Ti, Zr, Al, Ba, La, and Ta.
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Patent Agency Ranking
公开(公告)号：US11817561B2
公开(公告)日：2023-11-14
申请号：US17054890
申请日：2019-02-19
Inventor： Kenji Matsubara , Nobuhiko Hojo , Hiroyuki Matsumoto , Atsushi Fukui
IPC: H01M10/36
CPC classification number: H01M10/36 , H01M2300/0002
Abstract: An electrolyte solution according to one aspect of the present disclosure comprises water, a lithium salt, and a polycarboxylic acid having two or more carboxylic acid groups. A secondary battery according to one aspect of the present disclosure comprises a positive electrode, a negative electrode, and the electrolyte solution.
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公开(公告)号：US11539079B2
公开(公告)日：2022-12-27
申请号：US16580194
申请日：2019-09-24
Inventor： Kazuhiro Iida , Takanobu Chiga , Naoya Morisawa , Atsushi Fukui
IPC: H01M10/0569 , H01M10/052 , H01M6/16
Abstract: A nonaqueous electrolyte includes a lithium salt and a nonaqueous solvent in which the lithium salt is dissolved. The nonaqueous solvent includes a fluorinated chain carboxylate ester and a dicarbonyl compound having two carbonyl groups in the molecule. The dicarbonyl compound is at least one selected from the group consisting of esters and acid anhydrides and has not more than three atoms between the two carbonyl groups.
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公开(公告)号：US11367903B2
公开(公告)日：2022-06-21
申请号：US16582141
申请日：2019-09-25
Inventor： Naoya Morisawa , Kazuhiro Iida , Masaki Deguchi , Atsushi Fukui
IPC: H01M10/00 , H01M10/0569 , H01M4/1315 , H01M4/02
Abstract: A nonaqueous electrolyte solution according to one embodiment of the present disclosure contains a lithium salt and a nonaqueous solvent; the nonaqueous solvent contains fluoroethylene carbonate and a chain carboxylic acid ester having a dielectric constant of 6.0 or more; the lithium salt contains LiPO2F2 and LiSO3F; and the respective concentrations of LiPO2F2 and LiSO3F in the non-aqueous solvent are 0.15 mol/L or more.
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公开(公告)号：US11322737B2
公开(公告)日：2022-05-03
申请号：US16979398
申请日：2018-10-11
Inventor： Yasuyuki Kusumoto , Yasufumi Takahashi , Atsushi Fukui
Abstract: An alkaline dry battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an alkaline electrolytic solution contained in the positive electrode, the negative electrode and the separator. The negative electrode includes a negative electrode active material including zinc, and an additive. The additive includes at least one selected from the group consisting of maleic acid, maleic anhydride and maleate salts.
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公开(公告)号：US20220037657A1
公开(公告)日：2022-02-03
申请号：US17277433
申请日：2019-07-25
Inventor： Hiroyuki Matsumoto , Nobuhiko Hojo , Atsushi Fukui
IPC: H01M4/505 , H01M4/525 , H01M10/0568 , H01M10/0569
Abstract: A positive electrode active material that is a composite oxide that is represented by the general formula LiaNixCoyMnzMbO2, wherein 0.9
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