Patents by Inventor Shinji Otani
Shinji Otani 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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Publication number: 20210098195Abstract: A method for manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming a plurality of internal electrode patterns on a main surface of the ceramic green sheet, applying a ceramic paste above the main surface of the ceramic green sheet, stacking a plurality of the ceramic green sheets, pressing the plurality of stacked ceramic green sheets, and cutting the plurality of pressed ceramic green sheets. The ceramic paste at least partially overlaps end portions of the internal electrode patterns, and a stepped region is provided on the ceramic green sheet. When cutting the ceramic green sheets in a first direction, the cutting is performed at a position of the stepped region between two of the internal electrode patterns adjacent to each other in a second direction.Type: ApplicationFiled: September 25, 2020Publication date: April 1, 2021Inventors: Shinji OTANI, Hidehiko TANAKA
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Publication number: 20210065952Abstract: An electronic component includes a composite body composed of a composite material of a resin and a magnetic metal powder and a metal film disposed on an outer surface of the composite body. The magnetic metal powder contains Fe. The metal film mainly contains Ni and is in contact with the resin and the magnetic metal powder.Type: ApplicationFiled: August 17, 2020Publication date: March 4, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Shinji OTANI, Hiroki IMAEDA, Namiko SASAJIMA, Tomohiro SUNAGA, Masami OKADO, Yoshimasa YOSHIOKA
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Publication number: 20210065964Abstract: An electronic component includes a composite body composed of a composite material of a resin and a magnetic metal powder and a metal film disposed on an outer surface of the composite body. The magnetic metal powder contains Fe. The metal film mainly contains Cu, further contains Fe, and is in contact with the resin and the magnetic metal powder.Type: ApplicationFiled: August 17, 2020Publication date: March 4, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Shinji OTANI, Hiroki IMAEDA, Namiko SASAJIMA, Tomohiro SUNAGA, Masami OKADO, Yoshimasa YOSHIOKA
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Publication number: 20210043369Abstract: An insulating layer, which is composed of a material having a higher insulating property than a core, partially covers a surface of the core. A plating layer, which functions as an electrode, is stacked on a surface of the insulating layer. The surface area of the insulating layer is larger than the surface area of the plating layer and the plating layer is stacked inside a region covered by the insulating layer.Type: ApplicationFiled: July 15, 2020Publication date: February 11, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Shinji OTANI, Yuuta HOSHINO, Toshihiko KOBAYASHI, Tomotaka GOTOHDA
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Patent number: 10903017Abstract: A solid electrolytic capacitor that includes a plurality of capacitor elements each including an anode portion, a dielectric layer, and a cathode portion having a solid electrolyte layer and a current collector layer; a leading conductor layer; an insulating resin body; a first external electrode; and a second external electrode. The plurality of capacitor elements are stacked in layers, with mutually adjacent capacitor elements having their respective current collector layers connected to each other. The current collector layer of only the capacitor element adjacent to the leading conductor layer is connected to the leading conductor layer. The first external electrode is connected to the leading conductor layer at the first end surface.Type: GrantFiled: June 14, 2017Date of Patent: January 26, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiroyuki Demizu, Kenichi Oshiumi, Tomohiro Suzuki, Shinya Yoshida, Tadahisa Sano, Koji Fujimoto, Tsuyoshi Yamamoto, Yoshinori Ueda, Shinji Otani
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Publication number: 20210020326Abstract: A base includes a main body and a multilayer metal film disposed on the main body. The multilayer metal film includes a first metal film disposed on the main body, the first metal film having conductivity, second metal film on the first metal film and above the main body, the second metal film having resistance to solder leaching, and a third metal film on the second metal film, the third metal film having wettability. The third metal film includes an inwardly extended portion extending between the second metal film and the main body.Type: ApplicationFiled: June 2, 2020Publication date: January 21, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Namiko SASAJIMA, Hiroki IMAEDA, Masami OKADO, Shinji OTANI, Tomohiro SUNAGA, Yoshimasa YOSHIOKA
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Publication number: 20200373074Abstract: An inductor component comprising a main body part including a magnetic layer containing a resin and a metal magnetic powder contained in the resin; an inductor wiring disposed in the main body part; an external terminal exposed from the main body part; and a lead-out wiring electrically connecting the inductor wiring and the external terminal. Also, an outer surface of the external terminal includes a concave part.Type: ApplicationFiled: April 8, 2020Publication date: November 26, 2020Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Shinji OTANI, Hiroki IMAEDA
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Patent number: 10825610Abstract: A method for producing a multilayer ceramic electronic component the includes producing a multilayer sheet having a plurality of multilayer ceramic green sheets and internal electrode patterns respectively arranged along a plurality of interfaces between the ceramic green sheets, and having a first main surface and a second main surface that face each other in a lamination direction thereof; placing, and pressure-bonding under heating, a resin composition onto at least one of the first main surface and the second main surface of the multilayer sheet to produce a mother block having an unfixed protection layer thereon; and cutting the mother block along a first-direction cutting-plane line and a second-direction cutting-plane line that are orthogonal to each other to produce a plurality of green chips. The resin composition includes a resin component having a melting point or a glass transition temperature of lower than 100° C. and inorganic compound particles.Type: GrantFiled: March 9, 2018Date of Patent: November 3, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hidehiko Tanaka, Toshikazu Makino, Shinji Otani
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Publication number: 20200312519Abstract: An inductor component includes a base, an inductor device disposed in the base, and an external terminal serving as a line that is disposed on the base and that is electrically coupled to the inductor device. The external terminal includes a first metal film that is in contact with the base and that is electrically conductive, a second metal film disposed on a side of the first metal film opposite to the base, the second metal film having resistance to solder leaching, and a catalytic layer disposed between the first metal film and the second metal film. The first metal film includes a pore portion adjacent to the catalytic layer.Type: ApplicationFiled: March 25, 2020Publication date: October 1, 2020Applicant: Murata Manufacturing Co., Ltd.Inventors: Namiko SASAJIMA, Hiroki IMAEDA, Masami OKADO, Shinji OTANI, Tomohiro SUNAGA, Yoshimasa YOSHIOKA
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Publication number: 20200312520Abstract: A multilayer metal film disposed on a base having insulating properties includes a first metal film that is in contact with the base and that is electrically conductive, a second metal film covering the first metal film from a side of the first metal film opposite to the base, the second metal film having resistance to solder leaching, and a catalytic layer disposed between the first metal film and the second metal film, the catalytic layer having a protruding portion protruding toward the second metal film, the protruding portion extending into the second metal film.Type: ApplicationFiled: March 25, 2020Publication date: October 1, 2020Applicant: Murata Manufacturing Co., Ltd.Inventors: Namiko SASAJIMA, Hiroki IMAEDA, Masami OKADO, Shinji OTANI, Tomohiro SUNAGA, Yoshimasa YOSHIOKA
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Patent number: 10483041Abstract: A first outer electrode and first inner electrodes are supplied with an anode potential and a second outer electrode and second inner electrodes are supplied with a cathode potential when a monolithic ceramic capacitor is mounted and in use. The first outer electrode supplied with the anode potential has a thickness that is greater than a thickness of the second outer electrode supplied with the cathode potential.Type: GrantFiled: March 25, 2015Date of Patent: November 19, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Yoshito Saito, Satoshi Matsuno, Shinji Otani, Tomochika Miyazaki, Yasuhiro Nishisaka
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Patent number: 10340092Abstract: A solid electrolytic capacitor that includes a capacitor element including an anode portion having a metal layer, a dielectric layer, and a cathode portion having a solid electrolyte layer and a current collector layer; a leading conductor layer; an insulating resin body covering the capacitor element and the leading conductor layer, the insulating resin body having a first end surface and a second end surface opposite to each other; a first external electrode; and a second external electrode. The first external electrode has at least one plating layer on the first end surface, and is connected to the leading conductor layer at the first end surface. The second external electrode has at least one plating layer on the second end surface, and is connected to the metal layer at the second end surface.Type: GrantFiled: June 14, 2017Date of Patent: July 2, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiroyuki Demizu, Kenichi Oshiumi, Tomohiro Suzuki, Shinya Yoshida, Koji Fujimoto, Tadahisa Sano, Tsuyoshi Yamamoto, Yoshinori Ueda, Shinji Otani
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Patent number: 10269494Abstract: A multilayer ceramic capacitor includes a laminated body including ceramic layers and internal electrodes, and a pair of external electrodes on both end surfaces of the laminated body to be electrically connected to the internal electrodes, and each external electrode includes a base electrode layer containing Cu and provided on the surface of the laminated body, a metallic interlayer containing a Cu3Sn alloy and provided on the surface of the base electrode layer, and a conductive resin layer provided on the surface of the metallic interlayer.Type: GrantFiled: July 26, 2016Date of Patent: April 23, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Shinji Otani
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Patent number: 10239121Abstract: A clay-like composition for forming a sintered precious metal body, the clay-like composition containing at least one powder selected from the group consisting of precious metal powders and precious metal alloy powders, an organic binder, an organic additive and water, wherein the clay-like composition has an initial hardness measured using a type E durometer of E8 to E20, and has a hardness after standing for one hour at room temperature of E40 or less.Type: GrantFiled: November 26, 2014Date of Patent: March 26, 2019Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Yasuo Ido, Shinji Otani
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Publication number: 20190066909Abstract: An electronic component includes a composite body made of a composite material of a resin material and a metal powder; and a metal film disposed on an outer surface of the composite body. The metal film is in contact with the resin material and the metal powder of the composite body, and an average particle diameter of crystals of the metal film contacting the resin material is 60% or more and 120% or less of an average particle diameter of crystals of the metal film contacting the metal powder.Type: ApplicationFiled: October 29, 2018Publication date: February 28, 2019Applicant: Murata Manufacturing Co., Ltd.Inventors: Shinji OTANI, Masaki TSUTSUMI, Yoshinori UEDA, Hayami KUDO
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Patent number: 10153082Abstract: An electronic component includes a composite body made of a composite material of a resin material and a metal powder; and a metal film disposed on an outer surface of the composite body. The metal film is in contact with the resin material and the metal powder of the composite body, and an average particle diameter of crystals of the metal film contacting the resin material is 60% or more and 120% or less of an average particle diameter of crystals of the metal film contacting the metal powder.Type: GrantFiled: October 20, 2016Date of Patent: December 11, 2018Assignee: Murata Manufacturing Co., Ltd.Inventors: Shinji Otani, Masaki Tsutsumi, Yoshinori Ueda, Hayami Kudo
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Patent number: 10109411Abstract: A coil component has a first surface and a second surface facing each other. The coil component has a coil conductor formed into a spiral shape, an insulating resin layer covering the coil conductor, a magnetic resin layer disposed on the first surface side of the insulating resin layer without being disposed on the second surface side of the insulating resin layer, and an external terminal disposed at least on one surface on the first surface side of the magnetic resin layer and electrically connected to the coil conductor. The magnetic resin layer is made of a composite material of a resin and a metal magnetic powder. The external terminal includes a metal film contacting the resin and the metal magnetic powder of the magnetic resin layer.Type: GrantFiled: December 29, 2016Date of Patent: October 23, 2018Assignee: Murata Manufacturing Co., Ltd.Inventors: Hayami Kudo, Yoshimasa Yoshioka, Shinji Otani
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Publication number: 20180269000Abstract: A method for producing a multilayer ceramic electronic component the includes producing a multilayer sheet having a plurality of multilayer ceramic green sheets and internal electrode patterns respectively arranged along a plurality of interfaces between the ceramic green sheets, and having a first main surface and a second main surface that face each other in a lamination direction thereof; placing, and pressure-bonding under heating, a resin composition onto at least one of the first main surface and the second main surface of the multilayer sheet to produce a mother block having an unfixed protection layer thereon; and cutting the mother block along a first-direction cutting-plane line and a second-direction cutting-plane line that are orthogonal to each other to produce a plurality of green chips. The resin composition includes a resin component having a melting point or a glass transition temperature of lower than 100° C. and inorganic compound particles.Type: ApplicationFiled: March 9, 2018Publication date: September 20, 2018Inventors: HIDEHIKO TANAKA, Toshikazu Makino, Shinji Otani
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Patent number: 9984805Abstract: An inductor component has a plurality of layers of spiral wirings a magnetic composite body directly or indirectly covering the plurality of layers of spiral wirings and made of a composite material of a resin and a metal magnetic powder with an average particle diameter of 5 ?m or less an internal electrode embedded in the magnetic composite body with an end surface exposed from an outer surface of the magnetic composite body, the internal electrode being electrically connected to the spiral wirings, and an external terminal disposed on the outer surface of the magnetic composite body and electrically connected to the internal electrode.Type: GrantFiled: December 5, 2016Date of Patent: May 29, 2018Assignee: Murata Manufacturing Co., Ltd.Inventors: Hayami Kudo, Akinori Hamada, Shinji Otani
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Patent number: 9947473Abstract: A multilayer ceramic capacitor includes a multilayer body and a pair of outer electrodes on end surfaces of the multilayer body. The multilayer body includes a stack of ceramic layers and inner electrodes electrically connected to the outer electrodes. Each of the pair of outer electrodes includes an underlying electrode layer on a surface of the multilayer body, an intermediate metal layer on a surface of the underlying electrode layer, and a conductive resin layer on a surface of the intermediate metal layer. The underlying electrode layer contains Ni, and the intermediate metal layer contains a Cu—Ni—Sn alloy.Type: GrantFiled: June 6, 2016Date of Patent: April 17, 2018Assignee: Murata Manufacturing Co., Ltd.Inventor: Shinji Otani