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Patent Agency Ranking
公开(公告)号：US11742150B2
公开(公告)日：2023-08-29
申请号：US17325274
申请日：2021-05-20
Inventor： Renki Yamazaki , Takahiro Kumakawa
Abstract: A capacitor element that has an anode body, a dielectric oxide film layer covering the anode body, and a cathode body formed on the dielectric oxide film layer; an exterior body that covers the capacitor element; a contact layer that is on an anode terminal, which is an end portion of the anode body, and has a surface with a predetermined surface roughness; and an anode-side electrode layer that covers the surface are provided.
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公开(公告)号：US11011319B2
公开(公告)日：2021-05-18
申请号：US16299786
申请日：2019-03-12
Inventor： Shinji Ishitani , Tatsuo Sasaoka , Renki Yamazaki
Abstract: An electronic component includes an electronic element that includes a lead portion, a sealing body that seals the electronic element in a state where an end portion of the lead portion is exposed, a first current collector that is formed on the sealing body and is connected to the end portion, and a first terminal that includes a first portion which is sealed in the sealing body and is connected to the first current collector.
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3.发明授权公开(公告)号：US11295902B2
公开(公告)日：2022-04-05
申请号：US16795960
申请日：2020-02-20
Inventor： Renki Yamazaki , Takahiro Kumakawa
Abstract: A solid electrolytic capacitor includes stacked capacitor elements. Each capacitor element includes: an anode body; a dielectric layer provided on a surface of the anode body and including a plurality of voids; a solid electrolyte layer provided on a surface of the dielectric layer; a cathode body provided on a surface of the solid electrolyte layer; and an insulating layer that includes a portion of the dielectric layer and an insulating resin filling the plurality of voids included in the portion of the dielectric layer, the insulating layer insulating and separating between an anode side and a cathode side, and the insulating layer being provided on the anode side of the dielectric layer. An anode portion adhesive resin is provided between adjacent insulating layers.
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公开(公告)号：US11715606B2
公开(公告)日：2023-08-01
申请号：US17325273
申请日：2021-05-20
Inventor： Takahiro Kumakawa , Renki Yamazaki
CPC classification number: H01G9/15 , H01G9/012 , H01G9/0425 , H01G9/10
Abstract: A method of manufacturing a solid electrolytic capacitor according to the exemplary embodiment of the present disclosure includes a step of exposing a cathode body end portion, which is a portion of a cathode body, from an exterior body covering the cathode body, which is a conductor, and forming a contact electrode, which is a metal film, on the exposed cathode body end portion.
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公开(公告)号：US11227725B2
公开(公告)日：2022-01-18
申请号：US16710694
申请日：2019-12-11
Inventor： Takahiro Kumakawa , Renki Yamazaki , Shinya Suzuki
Abstract: A solid electrolytic capacitor having high reliability while maintaining suitable electrical characteristics, and a method for producing the same. The solid electrolytic capacitor includes a plurality of capacitor elements, an exterior body covering the plurality of capacitor elements, a contact layer metallic bonded to an anode terminal portion that is an end portion of the anode body, an anode-side electrode layer provided so as to cover the contact layer, a cathode-side electrode layer electrically connected to the cathode body, an anode-side external electrode provided on the surface of the anode-side electrode layer, and a cathode-side external electrode provided on the surface of the cathode-side electrode layer.
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