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Patent Agency Ranking
公开(公告)号：US20240199217A1
公开(公告)日：2024-06-20
申请号：US18595428
申请日：2024-03-05
Applicant: SoftBank Corp.
Inventor： Takaya SAITO , Yoshiki TAKAYANAGI , Shuntaro MIYAKAWA
IPC: B64D27/40 , B64D27/353 , B64D31/06
CPC classification number: B64D27/40 , B64D27/353 , B64D31/06
Abstract: Provided is a system comprising: a management unit that manages a plurality of battery packs, which are connected in parallel to a bus to which a power generation unit and a load are connected, to have the plurality of battery packs being alternately discharged so that a voltage difference between a battery pack with a highest voltage and a battery pack with a lowest voltage among the plurality of battery packs is not greater than a voltage threshold.
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公开(公告)号：US20230231117A1
公开(公告)日：2023-07-20
申请号：US18191888
申请日：2023-03-29
Applicant: SoftBank Corp. , Enpower Japan Corp.
Inventor： Yoshiki TAKAYANAGI , Takaya SAITO , Shuntaro MIYAKAWA , Yong CHE , Tsutomu TAKAHASHI , Fandong MENG
CPC classification number: H01M4/366 , H01M4/405 , H01M4/0404 , H01M10/0569 , H01M10/446 , H01M4/58 , H01M2004/027
Abstract: A negative electrode material that is used for a negative electrode of a lithium secondary battery containing a non-aqueous electrolyte solution, includes: a first layer that contains lithium metal as a negative electrode active material; and a second layer that is arranged on at least one surface of the first layer. The second layer consists of a compound represented by a general formula MxAy (M is an element selected from a group consisting of Al, In, Mg, Ag, Si, and Sn, and A is an element selected from a group consisting of O, N, P, and F, and 0.3
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公开(公告)号：US20250062390A1
公开(公告)日：2025-02-20
申请号：US18938284
申请日：2024-11-06
Applicant: SoftBank Corp.
Inventor： Shuntaro MIYAKAWA , Takaya SAITO , Yoshiki TAKAYANAGI
IPC: H01M10/04 , H01M4/02 , H01M50/414 , H01M50/536
Abstract: A stack including a plurality of stacked sheet materials is provided. Each of the plurality of sheet materials has a support layer including a resin material and a first metal layer and a second metal layer formed on both faces of the support layer. In a part of the plurality of sheet materials, the plurality of first metal layers and the plurality of second metal layers included in the plurality of sheet materials are integrated.
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4.发明公开公开(公告)号：US20240128465A1
公开(公告)日：2024-04-18
申请号：US18540870
申请日：2023-12-15
Applicant: SoftBank Corp.
Inventor： Takaya SAITO , Yoshiki TAKAYANAGI , Shuntaro MIYAKAWA
Abstract: A manufacturing method of a multilayer collector is provided, comprising preparing a resin layer, and a laminate in which collectors including a first metal layer and a second metal layer arranged on both sides of the resin layer are laminated, arranging a tab on one of an upper surface side and a lower surface side of the laminate, and a Sub-tab on another, performing heat compression on a portion to be welded of the tab, the laminate, and the Sub-tab in a laminating direction, to elute resin of the resin layer in the portion to be welded, and performing resistance welding on the portion to be welded.
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5.发明公开公开(公告)号：US20230238534A1
公开(公告)日：2023-07-27
申请号：US18192676
申请日：2023-03-30
Inventor： Takaya SAITO , Koji NISHIYAMA , Yoshiki TAKAYANAGI , Shuntaro MIYAKAWA , Masaru YAO , Minami KATO , Hisanori ANDO , Nobuhiko TAKEICHI
IPC: H01M4/60
CPC classification number: H01M4/608 , H01M2004/028
Abstract: An active material used in a secondary battery includes a heterocyclic chemical compound including one or more pyrazine rings and two or more benzene rings, or a salt or derivative thereof. The heterocyclic chemical compound is preferably a chemical compound in which at least 4 oxygen atoms are bonded to the benzene ring. The active material used in the secondary battery may also include phenazine or a salt or derivative thereof. The phenazines are preferably chemical compounds in which at least 4 oxygen atoms are bonded to a benzene ring included in a phenazine structure.
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