Patents by Inventor Kazutoyo Horio
Kazutoyo Horio 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).
-
Patent number: 11984272Abstract: A solid electrolytic capacitor that includes a resin molding including: a capacitor element laminate, the capacitor element laminate including a first layer and a second layer that are laminated together, the first layer includes a valve-action metal substrate exposed at a first end surface of the resin molding, the second layer includes an electrode lead-out layer exposed at a second end surface of the resin molding; an insulating substrate; and a sealing resin enclosing the capacitor element laminate; a first external electrode on a first end surface of the resin molding and connected to the valve-action metal substrate; a second external electrode on a second end surface of the resin molding and connected to the electrode lead-out layer; and a dummy layer not contributing to a capacity of the capacitor on a main surface of the capacitor element laminate in a lamination direction thereof and adjacent to the insulating substrate.Type: GrantFiled: June 6, 2022Date of Patent: May 14, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Junichi Kasuya, Kenichi Oshiumi, Koji Fujimoto, Kazutoyo Horio, Satoshi Tani, Katsutomo Aritomi
-
Patent number: 11972907Abstract: A solid electrolytic capacitor that includes a resin molding, a first external electrode, and a second external electrode. The resin molding includes a laminate of multiple capacitor elements, and a sealing resin sealing the laminate. The following are satisfied: t1<t2, t3<t4, t1<t3, and t4/t3<t2/t1, where t1 is the thickness of an inner portion of the cathode lead-out layer, the inner portion not being exposed at the second end surface; t2 is the thickness of an exposed portion of the cathode lead-out layer, the exposed portion being exposed at the second end surface; t3 is the thickness of an inner portion of the valve-action metal substrate, the inner portion not being exposed at the first end surface; and t4 is the thickness of an exposed portion of the valve-action metal substrate, the exposed portion being exposed at the first end surface.Type: GrantFiled: June 15, 2022Date of Patent: April 30, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Satoshi Tani, Kenichi Oshiumi, Kazutoyo Horio, Junichi Sato, Keiji Yoshida
-
Patent number: 11875950Abstract: An electrolytic capacitor that includes a resin molded body having opposed first and second end surfaces, the body including a stack that includes a capacitor element with an anode exposed at the first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at the second end surface, and a sealing resin that encloses the stack; a first external electrode on the first end surface of the resin molded body and electrically connected to the anode; and a second external electrode on a second end surface of the resin molded body and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include a resin electrode layer containing a conductive component and a resin component.Type: GrantFiled: March 2, 2022Date of Patent: January 16, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Yasuhiro Tamatani, Kazuya Kusuda, Kazutoyo Horio, Takeshi Furukawa
-
Publication number: 20220310327Abstract: A solid electrolytic capacitor that includes a resin molding, a first external electrode, and a second external electrode. The resin molding includes a laminate of multiple capacitor elements, and a sealing resin sealing the laminate. The following are satisfied: t1<t2, t3<t4, t1<t3, and t4/t3<t2/t1, where t1 is the thickness of an inner portion of the cathode lead-out layer, the inner portion not being exposed at the second end surface; t2 is the thickness of an exposed portion of the cathode lead-out layer, the exposed portion being exposed at the second end surface; t3 is the thickness of an inner portion of the valve-action metal substrate, the inner portion not being exposed at the first end surface; and t4 is the thickness of an exposed portion of the valve-action metal substrate, the exposed portion being exposed at the first end surface.Type: ApplicationFiled: June 15, 2022Publication date: September 29, 2022Inventors: Satoshi TANI, Kenichi OSHIUMI, Kazutoyo HORIO, Junichi SATO, Keiji YOSHIDA
-
Publication number: 20220301787Abstract: A solid electrolytic capacitor that includes a resin molding including: a capacitor element laminate, the capacitor element laminate including a first layer and a second layer that are laminated together, the first layer includes a valve-action metal substrate exposed at a first end surface of the resin molding, the second layer includes an electrode lead-out layer exposed at a second end surface of the resin molding; an insulating substrate; and a sealing resin enclosing the capacitor element laminate; a first external electrode on a first end surface of the resin molding and connected to the valve-action metal substrate; a second external electrode on a second end surface of the resin molding and connected to the electrode lead-out layer; and a dummy layer not contributing to a capacity of the capacitor on a main surface of the capacitor element laminate in a lamination direction thereof and adjacent to the insulating substrate.Type: ApplicationFiled: June 6, 2022Publication date: September 22, 2022Inventors: Junichi KASUYA, Kenichi OSHIUMI, Koji FUJIMOTO, Kazutoyo HORIO, Satoshi TANI, Katsutomo ARITOMI
-
Publication number: 20220189703Abstract: An electrolytic capacitor that includes a resin molded body having opposed first and second end surfaces, the body including a stack that includes a capacitor element with an anode exposed at the first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at the second end surface, and a sealing resin that encloses the stack; a first external electrode on the first end surface of the resin molded body and electrically connected to the anode; and a second external electrode on a second end surface of the resin molded body and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include a resin electrode layer containing a conductive component and a resin component.Type: ApplicationFiled: March 2, 2022Publication date: June 16, 2022Inventors: Yasuhiro TAMATANI, Kazuya KUSUDA, Kazutoyo HORIO, Takeshi FURUKAWA
-
Patent number: 11295900Abstract: An electrolytic capacitor that includes a resin molded body having opposed first and second end surfaces, the body including a stack that includes a capacitor element with an anode exposed at the first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at the second end surface, and a sealing resin that encloses the stack; a first external electrode on the first end surface of the resin molded body and electrically connected to the anode; and a second external electrode on a second end surface of the resin molded body and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include a resin electrode layer containing a conductive component and a resin component.Type: GrantFiled: December 24, 2019Date of Patent: April 5, 2022Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Yasuhiro Tamatani, Kazuya Kusuda, Kazutoyo Horio, Takeshi Furukawa
-
Patent number: 11244790Abstract: A solid electrolytic capacitor that includes an element laminate having a first end face and a second end face, a first external electrode on the first end face, and a second external electrode on the second end face. In the element laminate, a first layer and a second layer are stacked. The first layer has a valve-action metal substrate, a dielectric layer on a surface thereof, and a solid electrolyte layer on the dielectric layer. The second layer contains a metal foil. The first layer and the second layer are bonded by an adhesive layer containing a conductive adhesive layer and an insulating adhesive layer that surrounds an outer perimeter of the conductive adhesive layer. The adhesive layer includes a notched part that extends from the first end face or the second end face to the conductive adhesive layer.Type: GrantFiled: March 16, 2020Date of Patent: February 8, 2022Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kazutoyo Horio, Takeshi Furukawa
-
Patent number: 11211204Abstract: A solid electrolytic capacitor that includes a plurality of linear conductors arranged in parallel and made of a valve action metal in which a dielectric layer is formed on a surface of the valve action metal; a conductive polymer layer covering the plurality of linear conductors and shared by linear conductors; a conductor layer covering conductive polymer layer; an anode terminal in contact with end faces of the plurality of linear conductors; and a cathode terminal electrically connected to conductor layer.Type: GrantFiled: March 13, 2020Date of Patent: December 28, 2021Assignee: JAPAN CAPACITOR INDUSTRIAL CO., LTD.Inventors: Osamu Yokokura, Tomoki Nobuta, Kazutoyo Horio, Kazumasa Fujimoto
-
Patent number: 11017954Abstract: A solid electrolytic capacitor that includes at least one capacitor element having a linear-shaped valve metal substrate that extends in an axial direction and includes a porous portion on a surface of a core portion, a dielectric layer on a surface of the porous portion, and a cathode layer on the dielectric layer; a cathode terminal including a recessed portion having an inner wall surface extending in the axial direction, the capacitor element is disposed in the recessed portion, and the cathode layer is electrically connected to the inner wall surface; an anode terminal electrically connected to the core portion of the capacitor element; and a sealing material covering the capacitor element.Type: GrantFiled: July 31, 2019Date of Patent: May 25, 2021Assignee: JAPAN CAPACITOR INDUSTRIAL CO., LTD.Inventors: Osamu Yokokura, Tomoki Nobuta, Kazutoyo Horio
-
Publication number: 20200312573Abstract: A solid electrolytic capacitor that includes an element laminate having a first end face and a second end face, a first external electrode on the first end face, and a second external electrode on the second end face. In the element laminate, a first layer and a second layer are stacked. The first layer has a valve-action metal substrate, a dielectric layer on a surface thereof, and a solid electrolyte layer on the dielectric layer. The second layer contains a metal foil. The first layer and the second layer are bonded by an adhesive layer containing a conductive adhesive layer and an insulating adhesive layer that surrounds an outer perimeter of the conductive adhesive layer. The adhesive layer includes a notched part that extends from the first end face or the second end face to the conductive adhesive layer.Type: ApplicationFiled: March 16, 2020Publication date: October 1, 2020Inventors: Kazutoyo Horio, Takeshi Furukawa
-
Publication number: 20200219662Abstract: A solid electrolytic capacitor that includes a plurality of linear conductors arranged in parallel and made of a valve action metal in which a dielectric layer is formed on a surface of the valve action metal; a conductive polymer layer covering the plurality of linear conductors and shared by linear conductors; a conductor layer covering conductive polymer layer; an anode terminal in contact with end faces of the plurality of linear conductors; and a cathode terminal electrically connected to conductor layer.Type: ApplicationFiled: March 13, 2020Publication date: July 9, 2020Inventors: Osamu Yokokura, Tomoki Nobuta, Kazutoyo Horio, Kazumasa Fujimoto
-
Publication number: 20200211784Abstract: An electrolytic capacitor that includes a resin molded body having opposed first and second end surfaces, the body including a stack that includes a capacitor element with an anode exposed at the first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at the second end surface, and a sealing resin that encloses the stack; a first external electrode on the first end surface of the resin molded body and electrically connected to the anode; and a second external electrode on a second end surface of the resin molded body and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include a resin electrode layer containing a conductive component and a resin component.Type: ApplicationFiled: December 24, 2019Publication date: July 2, 2020Inventors: YASUHIRO TAMATANI, Kazuya Kusuda, Kazutoyo Horio, Takeshi Furukawa
-
Publication number: 20190355526Abstract: A solid electrolytic capacitor that includes at least one capacitor element having a linear-shaped valve metal substrate that extends in an axial direction and includes a porous portion on a surface of a core portion, a dielectric layer on a surface of the porous portion, and a cathode layer on the dielectric layer; a cathode terminal including a recessed portion having an inner wall surface extending in the axial direction, the capacitor element is disposed in the recessed portion, and the cathode layer is electrically connected to the inner wall surface; an anode terminal electrically connected to the core portion of the capacitor element; and a sealing material covering the capacitor element.Type: ApplicationFiled: July 31, 2019Publication date: November 21, 2019Inventors: Osamu Yokokura, Tomoki Nobuta, Kazutoyo Horio
-
Patent number: 9431178Abstract: To provide a solid electrolytic capacitor capable of high performance, the capacitor including: an anode element made of tantalum or niobium; a dielectric film disposed on the anode element; and a solid electrolytic layer disposed on the dielectric film, the dielectric film including: a first dielectric film made of an oxide of the tantalum or niobium, formed on a surface of the anode element; and a second dielectric film made of a composite metal oxide having a perovskite structure, formed on the first dielectric film.Type: GrantFiled: March 8, 2012Date of Patent: August 30, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Kazutoyo Horio
-
Publication number: 20130342966Abstract: To provide a solid electrolytic capacitor capable of high performance, the capacitor including: an anode element made of tantalum or niobium; a dielectric film disposed on the anode element; and a solid electrolytic layer disposed on the dielectric film, the dielectric film including: a first dielectric film made of an oxide of the tantalum or niobium, formed on a surface of the anode element; and a second dielectric film made of a composite metal oxide having a perovskite structure, formed on the first dielectric film.Type: ApplicationFiled: March 8, 2012Publication date: December 26, 2013Applicants: SAGA SANYO INDUSTRIES CO., LTD., SANYO ELECTRIC CO., LTD.Inventor: Kazutoyo Horio
-
Patent number: 7916457Abstract: A multi-layered solid electrolytic capacitor including capacitor elements, each comprising an anode body having an anode portion and a cathode portion having a dielectric oxide film and a cathode layer formed in succession on a surface of the anode body, the capacitor elements being stacked on top of one another and the anode portions being weld-secured to anode mounting surfaces of anode mounting parts provided in an anode terminal. The multi-layered solid electrolytic in which the anode mounting parts are provided such that the anode mounting parts are disposed parallel to each other, and adjacent anode mounting parts are joined to each other by a joint part.Type: GrantFiled: December 26, 2005Date of Patent: March 29, 2011Assignees: Sanyo Electric Co., Ltd., Saga Sanyo Industries Co., Ltd.Inventors: Kazutoyo Horio, Shinji Arimori
-
Publication number: 20090080146Abstract: [Problem] Mechanical stress in welding is suppressed, a tilt of the elements is suppressed in relation to the increase in the number of layers so that LC defects are alleviated, whereby an increase in capacitance due to a greater number of layers is achieved. [Means for Solving the Problem] In a solid electrolytic capacitor, capacitor elements (30) are disposed in a stacked state and anode portions (30a) are weld-secured to anode mounting surfaces of anode mounting parts (7a), (7b) provided for an anode terminal. Two anode mounting parts (7a), (7b) are provided, and the anode mounting parts are disposed parallel to each other, and adjacent anode mounting parts (7a), (7b) are joined to each other by a joint part (9).Type: ApplicationFiled: December 26, 2005Publication date: March 26, 2009Applicants: SANYO ELECTRIC CO., LTD.,, SAGA SANYO INDUSTRIES CO., LTD.Inventors: Kazutoyo Horio, Shinji Arimori
-
Publication number: 20080285209Abstract: The present invention provides a solid electrolytic capacitor including an anode lead frame and/or a cathode lead frame which are/is bent to be located along a side surface and a bottom surface of a resin package, wherein each of the anode lead frame and the cathode lead frame has a projecting portion extending outward from a portion located along the bottom surface of the resin package. By providing such a projecting portion, it is possible to easily check formation of a solder fillet in mounting the solid electrolytic capacitor.Type: ApplicationFiled: May 9, 2008Publication date: November 20, 2008Applicants: SANYO ELECTRIC CO., LTD., SAGA SANYO INDUSTRIES CO., LTD.Inventor: Kazutoyo HORIO
-
Patent number: D997871Type: GrantFiled: June 17, 2020Date of Patent: September 5, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Yasuhiro Tamatani, Satoshi Tani, Kenichi Oshiumi, Junichi Sato, Kazutoyo Horio, Keiji Yoshida