Patents by Inventor Shinichi Kondo
Shinichi Kondo 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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Patent number: 12249453Abstract: In a multilayer coil component, a coil is configured by electrically connecting coil conductors respectively provided in magnetic body layers constituting an element body and metal magnetic particles have a normal particle having an ellipsoidal shape and flat particles having an ellipsoidal shape flatter in a thickness direction than the normal particle. A plurality of the normal particles and at least one of the flat particles disposed such that a surface (reference surface) including a major axis direction orthogonal to the thickness direction and a minor axis direction is along the forming surface of the coil conductor in the magnetic body layer are arranged in the lamination direction of the magnetic body layers between the coil conductors.Type: GrantFiled: November 10, 2021Date of Patent: March 11, 2025Assignee: TDK CORPORATIONInventors: Yusuke Nagai, Kazuhiro Ebina, Kouichi Kakuda, Kunihiko Kawasaki, Shinichi Kondo, Yuya Ishima, Masaki Takahashi, Takahiro Sato, Keito Yasuda, Shingo Hattori
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Patent number: 12243675Abstract: In a multilayer coil component, a part filled with a resin and a void part not filled with the resin exist between a plurality of metal magnetic particles in an element body, one main surface of the element body is a mounting surface with respect to an external electronic component, and the edge of an external electrode is positioned on the mounting surface. In the element body, a high void region where the porosity caused by the void part is higher than the porosity of the other part in the element body extends from the edge of the external electrode on the mounting surface toward an end surface of the element body.Type: GrantFiled: September 30, 2021Date of Patent: March 4, 2025Assignee: TDK CORPORATIONInventors: Yusuke Nagai, Takashi Suzuki, Kazuhiro Ebina, Kunihiko Kawasaki, Shinichi Kondo, Keito Yasuda, Ryuichi Wada, Makoto Morita, Takashi Kudo, Kyohei Tonoyama
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Patent number: 12234533Abstract: A bonding structure includes: a plurality of carbon nanotubes; a first bonded member; and a first metal sintered compact bonding first end portions of the plurality of carbon nanotubes and the first bonded member, wherein the first metal sintered compact enters spaces between the first end portions of the plurality of carbon nanotubes, and bonds to the plurality of carbon nanotubes while covering side faces and end faces of the first end portions of the plurality of carbon nanotubes.Type: GrantFiled: June 13, 2023Date of Patent: February 25, 2025Assignee: FUJITSU LIMITEDInventors: Shinichi Hirose, Daiyu Kondo
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Patent number: 12217897Abstract: A multilayer coil component includes an element body, first and second coils, and a pair of external electrodes. The element body includes a plurality of insulator layers laminated in a first direction. The element body has a pair of end surfaces opposing each other in a second direction orthogonal to the first direction. The first coil and the second coil are disposed in the element body and respectively have coil shafts along the second direction. The pair of external electrodes are disposed on the pair of end surfaces and electrically connected to both ends of the first coil and the second coil. The first coil includes a first conductor layer, a second conductor layer, and a first through hole conductor. The coil shaft of the first coil is disposed inside the second coil.Type: GrantFiled: July 6, 2021Date of Patent: February 4, 2025Assignee: TDK CORPORATIONInventors: Yuya Oshima, Junichi Otsuka, Shinichi Kondo, Yohei Tadaki, Kazuo Iwai, Masayuki Suzuki, Emiri Matsuhashi, Takuya Niibori
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Publication number: 20250029774Abstract: A coil component includes an element body including a pair of end surfaces opposing each other, and a coil disposed in the element body. The coil includes at least one coil conductor. The element body includes a pair of first element body portions each including a corresponding end surface of the pair of end surfaces, and a second element body portion between the pair of first element body portions. The second element body portion includes a first region and a second region disposed at positions different from each other in the direction. The second region has relative permeability smaller than relative permeability of the first region and relative permittivity smaller than relative permittivity of the first region. The at least one coil conductor includes a coil conductor disposed in the second element body portion.Type: ApplicationFiled: July 15, 2024Publication date: January 23, 2025Applicant: TDK CorporationInventors: Yuya Oshima, Kouichi Kakuda, Kenji Komorita, Takuya Niibori, Shinichi Kondo, Shigeshi Osawa, Kaori Sasaki, Makoto Yoshino, Kazuma Sugawara
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Patent number: 12160411Abstract: An information processing system includes a first device and a second device. The first device generates first encrypted data by applying a first encryption with respect to the original data stored in a shared storage area, and causing the first encrypted data to be stored in the shared storage area. The second device generates second encrypted data by applying a second encryption with respect to the first encrypted data stored in the shared storage area, and causes the second encrypted data to be stored in the shared storage area. The first device deletes the original data and the first encrypted data from the shared storage area.Type: GrantFiled: October 18, 2023Date of Patent: December 3, 2024Assignee: L&I Inc.Inventor: Shinichi Kondo
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Patent number: 12087484Abstract: A multilayer coil component includes an element body including a plurality of metal magnetic particles, and a plurality of coil conductors. The plurality of coil conductors is disposed in the element body. The plurality of coil conductors is separated from each other in a predetermined direction and electrically connected to each other. The plurality of coil conductors includes one pair of side surfaces opposing each other in the predetermined direction. Surface roughness of the one pair of side surfaces is less than 40% of an average particle size of the plurality of metal magnetic particles.Type: GrantFiled: June 6, 2023Date of Patent: September 10, 2024Assignee: TDK CORPORATIONInventors: Shinichi Sato, Takahiro Sato, Yusuke Nagai, Mitsuharu Koike, Kazuhiro Miura, Seiichi Nakagawa, Shinichi Kondo, Takashi Suzuki
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Patent number: 12040111Abstract: A multilayer coil component includes an element body containing a plurality of metal magnetic particles and a resin existing between the plurality of metal magnetic particles and a coil disposed in the element body and configured to include a plurality of electrically interconnected coil conductors. At least one of the plurality of coil conductors has a spiral shape and has conductor portions adjacent to each other when viewed from a direction along a coil axis of the coil. The conductor portion includes a straight conductor portion extending in a straight line and a connecting conductor portion connecting the straight conductor portion and constituting a corner portion of the coil conductor. The metal magnetic particles between the connecting conductor portions adjacent to each other are lower in density than the metal magnetic particles between the straight conductor portions adjacent to each other.Type: GrantFiled: September 27, 2021Date of Patent: July 16, 2024Assignee: TDK CORPORATIONInventors: Yusuke Nagai, Takashi Suzuki, Kazuhiro Ebina, Kouichi Kakuda, Kunihiko Kawasaki, Shinichi Kondo, Shinichi Sato, Seiichi Nakagawa, Mitsuharu Koike, Kazuhiro Miura
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Publication number: 20240128020Abstract: In a method for manufacturing a laminated coil component, in which a laminated coil component is manufactured by laminating insulator sheets in order on which conductors having predetermined patterns are formed, the insulator sheets are laminated such that a distance in a lamination direction between a first lead-out conductor laminated first and a first coil conductor laminated next is larger than a distance in the lamination direction between a second lead-out conductor laminated last and a second coil conductor laminated immediately before the second lead-out conductor.Type: ApplicationFiled: September 26, 2023Publication date: April 18, 2024Applicant: TDK CORPORATIONInventors: Yuya OSHIMA, Junichi OTSUKA, Yohei TADAKI, Shinichi KONDO, Koki ITO, Yoji TOZAWA, Shigeshi OSAWA, Tsubasa OZAWA, Makoto YOSHINO
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Patent number: 11955275Abstract: A method for producing a multilayer coil component includes forming, on a main face of a substrate, a first coil conductor extending along the main face having conductivity, forming a second coil conductor and a third coil conductor apart from each other in a direction in which the first coil conductor extends and each extending from the first coil conductor in a first direction orthogonal to the main face, and forming a fourth coil conductor electrically connected to an end of the second coil conductor opposite to the first coil conductor and extending along the main face. The forming the first coil conductor includes forming, on the main face, a first insulator layer provided with a first penetration portion having a shape corresponding to the first coil conductor and exposing a part of the main face, and forming, by plating, the first coil conductor in the first penetration portion.Type: GrantFiled: August 27, 2020Date of Patent: April 9, 2024Assignee: TDK CORPORATIONInventors: Yuya Ishima, Shinichi Kondo, Kosuke Ito, Shingo Hattori, Takashi Suzuki, Hidenobu Umeda
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Patent number: 11915852Abstract: An electronic component according to an aspect of the present disclosure includes an element body and a terminal electrode. The element body includes an outer surface provided with a depression. The terminal electrode is disposed on the element body. The terminal electrode includes a first electrode portion and a second electrode portion. The first electrode portion is disposed in the depression. The second electrode portion protrudes from the depression. The second electrode portion is thicker than the first electrode portion.Type: GrantFiled: July 7, 2020Date of Patent: February 27, 2024Assignee: TDK CORPORATIONInventors: Yuya Ishima, Shinichi Kondo, Kosuke Ito, Shingo Hattori, Kazuya Tobita, Noriaki Hamachi, Atsushi Moriya
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Publication number: 20240048544Abstract: An information processing system includes a first device and a second device. The first device generates first encrypted data by applying a first encryption with respect to the original data stored in a shared storage area, and causing the first encrypted data to be stored in the shared storage area. The second device generates second encrypted data by applying a second encryption with respect to the first encrypted data stored in the shared storage area, and causes the second encrypted data to be stored in the shared storage area. The first device deletes the original data and the first encrypted data from the shared storage area.Type: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Applicant: L&I Inc.Inventor: Shinichi Kondo
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Publication number: 20230402211Abstract: A ferrite composition includes a main component and a sub component. The main component includes an iron oxide in terms of Fe2O3, a copper oxide in terms of CuO, a zinc oxide in terms of ZnO, and a nickel oxide as its remainder. The sub component includes a cobalt oxide in terms of Co3O4, a tin oxide in terms of SnO2, and a bismuth oxide in terms of Bi2O3. A is ?3.5 or more and 1.0 or less, provided that A=(??18)/?; is defined, in which ? is an amount of the zinc oxide represented by mol % in terms of ZnO in the main component, and ? is an amount of the cobalt oxide represented by parts by weight in terms of Co3O4 with respect to 100 parts by weight of the main component.Type: ApplicationFiled: June 6, 2023Publication date: December 14, 2023Applicant: TDK CORPORATIONInventors: Kouichi KAKUDA, Yuya OSHIMA, Kenji KOMORITA, Shigeshi OSAWA, Shinichi KONDO, Hiroyuki TANOUE, Kaori SASAKI, Takuya NIIBORI, Yukio TAKAHASHI, Hidenobu UMEDA
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Patent number: 11831626Abstract: An information processing system includes a first device and a second device. The first device generates first encrypted data by applying a first encryption with respect to the original data stored in a shared storage area, and causing the first encrypted data to be stored in the shared storage area. The second device generates second encrypted data by applying a second encryption with respect to the first encrypted data stored in the shared storage area, and causes the second encrypted data to be stored in the shared storage area. The first device deletes the original data and the first encrypted data from the shared storage area.Type: GrantFiled: October 21, 2022Date of Patent: November 28, 2023Assignee: L&I Inc.Inventor: Shinichi Kondo
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Publication number: 20230317342Abstract: A multilayer coil component includes an element body including a plurality of metal magnetic particles, and a plurality of coil conductors. The plurality of coil conductors is disposed in the element body. The plurality of coil conductors is separated from each other in a predetermined direction and electrically connected to each other. The plurality of coil conductors includes one pair of side surfaces opposing each other in the predetermined direction. Surface roughness of the one pair of side surfaces is less than 40% of an average particle size of the plurality of metal magnetic particles.Type: ApplicationFiled: June 6, 2023Publication date: October 5, 2023Applicant: TDK CORPORATIONInventors: Shinichi SATO, Takahiro SATO, Yusuke NAGAI, Mitsuharu KOIKE, Kazuhiro MIURA, Seiichi NAKAGAWA, Shinichi KONDO, Takashi SUZUKI
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Patent number: 11710593Abstract: A multilayer coil component includes an element body including a plurality of metal magnetic particles, and a plurality of coil conductors. The plurality of coil conductors is disposed in the element body. The plurality of coil conductors is separated from each other in a predetermined direction and electrically connected to each other. The plurality of coil conductors includes one pair of side surfaces opposing each other in the predetermined direction. Surface roughness of the one pair of side surfaces is less than 40% of an average particle size of the plurality of metal magnetic particles.Type: GrantFiled: March 12, 2020Date of Patent: July 25, 2023Assignee: TDK CORPORATIONInventors: Shinichi Sato, Takahiro Sato, Yusuke Nagai, Mitsuharu Koike, Kazuhiro Miura, Seiichi Nakagawa, Shinichi Kondo, Takashi Suzuki
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Publication number: 20230230738Abstract: A coil component includes an element body, a coil and a first electrode part. The element body includes a main surface which is used as a mounting surface. The coil is disposed in the element body. The first electrode part is embedded in the element body and electrically connected to the coil. The first electrode part includes a first surface exposed from the main surface and a second surface opposing the first surface. An area of the first surface is larger than an area of the second surface when viewed from a direction orthogonal to the first surface.Type: ApplicationFiled: January 17, 2023Publication date: July 20, 2023Applicant: TDK CorporationInventors: Yusuke NAGAI, Kazuhiro EBINA, Kunihiko KAWASAKI, Shinichi KONDO, Shinichi SATO, Seiichi NAKAGAWA, Mitsuharu KOIKE, Takato SASAKI, Youhei IIDA
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Publication number: 20230230742Abstract: A multilayer coil component includes an element body including an end surface, a coil disposed in the element body, and an external electrode disposed on an end portion of the element body and connected to the coil. The external electrode includes a conductive resin layer. The conductive resin layer includes resin and a plurality of metal particles and is in contact with the end surface. The conductive resin layer includes a metal particle group. The metal particle group consists a plurality of first metal particles included in the plurality of metal particles, and the plurality of first metal particles is adjacent to the end surface and separated from the end surface.Type: ApplicationFiled: December 21, 2022Publication date: July 20, 2023Applicant: TDK CORPORATIONInventors: Yusuke NAGAI, Kazuhiro EBINA, Kunihiko KAWASAKI, Shinichi KONDO, Yuya ISHIMA, Shinichi SATO, Seiichi NAKAGAWA, Kosuke ITO, Keito YASUDA, Youhei IIDA
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Publication number: 20230230737Abstract: A multilayer coil component includes: an element body including a plurality of magnetic layers that includes soft magnetic metal particles and is laminated in a first direction; and a coil disposed in the element body. The coil includes a plurality of coil conductors electrically connected to each other. The plurality of magnetic layers includes a first magnetic layer and a second magnetic layer laminated between two coil conductors adjacent to each other in the first direction. An average particle diameter of soft magnetic metal particles included in the second magnetic layer is larger than an average particle diameter of soft magnetic metal particles included in the first magnetic layer.Type: ApplicationFiled: January 6, 2023Publication date: July 20, 2023Applicant: TDK CORPORATIONInventors: Yusuke NAGAI, Kazuhiro EBINA, Kunihiko KAWASAKI, Shinichi KONDO, Kouichi KAKUDA, Shinichi SATO, Keito YASUDA
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Patent number: 11705276Abstract: A method for manufacturing an electronic-component includes a step of forming a laminate substrate including a plurality of laminates disposed in a direction intersecting with a lamination direction via a division portion by laminating a plurality of insulator layers, and a step of singulating the plurality of laminates by removing the division portion. The step of forming the laminate substrate includes a step of forming an insulator resist layer containing an insulating material on a base material, the insulating material being a constituent material of each of the insulator layers and a step of forming the insulator layer by curing the insulator resist layer by exposure, except for at least an insulator resist portion corresponding to the division portion. The division portion including the insulator resist portion is removed by development in the step of singulating.Type: GrantFiled: September 2, 2020Date of Patent: July 18, 2023Assignee: TDK CORPORATIONInventors: Yuya Ishima, Shinichi Kondo, Kosuke Ito, Shingo Hattori