Patents by Inventor Munehiro Takaku
Munehiro Takaku 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: 12293864Abstract: Disclosed herein is a coil component that includes a coil pattern embedded in an element body and helically wound in a plurality of turns. The element body includes a support body having a cavity formed therein and a first insulating layer stacked on the support body so as to cover the cavity, thereby forming a hollow space inside the element body. The coil pattern includes a plurality of first sections formed along an inner wall of the cavity and a plurality of second sections formed on the first insulating layer. One ends of the plurality of first sections are connected respectively to their corresponding one ends of the plurality of second sections. The other ends of the plurality of first sections are connected respectively to their corresponding other ends of the plurality of second sections.Type: GrantFiled: October 18, 2021Date of Patent: May 6, 2025Assignee: TDK CORPORATIONInventors: Nobuyuki Okuzawa, Kazuhiko Ito, Munehiro Takaku, Junichiro Urabe
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Publication number: 20250125082Abstract: In the laminated coil component, in the third direction, the pair of the connecting portions are interposed between the pair of the end portions of the coil conductor and the pair of the terminal electrode. Since each of the connecting portions has the elongated portion extending from the overlapping portion overlapping the end portion of the coil conductor, the enlargement of the contact area with the terminal electrode is achieved, and the high connection reliability between the coil conductor and the terminal electrode is achieved.Type: ApplicationFiled: September 19, 2024Publication date: April 17, 2025Applicant: TDK CorporationInventors: Munehiro TAKAKU, Kazuya Tobita, Shinnosuke Suzuki
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Patent number: 12272487Abstract: A multilayer coil component includes an element body, a coil, and a terminal electrode. The element body includes a first main face, second main face, first end face, second end face, first side face and second side face. The terminal electrode is connected to the coil. The terminal electrode includes a main-face electrode portion provided on the first main face. The coil includes a plurality of coil conductors. The plurality of coil conductors includes a first coil conductor disposed closest to the first main face to oppose to the main-face electrode portion and a second coil conductor disposed closer to the second main face than the first coil conductor. The first coil conductor has a width narrower than a width of the second coil conductor. The first coil conductor has an aspect ratio higher than an aspect ratio of the second coil conductor.Type: GrantFiled: February 17, 2021Date of Patent: April 8, 2025Assignee: TDK CORPORATIONInventors: Hajime Kato, Junichiro Urabe, Yuto Shiga, Kazuya Tobita, Youichi Kazuta, Noriaki Hamachi, Toshinori Matsuura, Yuichi Takubo, Munehiro Takaku
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Publication number: 20250111977Abstract: A coil component includes an element body, a first terminal electrode, a second terminal electrode, a first conductor disposed at a position closer to a principal surface in the element body and electrically connected to the first terminal electrode and the second terminal electrode, and a second conductor disposed at a position closer to a principal surface in the element body and electrically connected to the first terminal electrode and the second terminal electrode. The element body is formed of a material having light permeability, and an identification portion formed of a material different from a material of the first conductor is provided on a first surface facing the principal surface in the first conductor.Type: ApplicationFiled: July 17, 2024Publication date: April 3, 2025Applicant: TDK CorporationInventors: Nobuyuki OKUZAWA, Munehiro Takaku
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Patent number: 12170163Abstract: Disclosed herein is a coil component that includes a coil pattern embedded in a resin body. The resin body includes a winding core area surrounded by the coil pattern and having a first surface and a substantially flat second surface different in the circumferential direction position from the first surface, and a first surrounding area covering the first surface of the winding core area. The coil pattern includes first sections extending along the first surface of the winding core area and second sections extending along the second surface of the winding core area. One ends of the first sections are connected respectively to their corresponding one ends of the second sections. The other ends of the first sections are connected respectively to their corresponding other ends of the second sections.Type: GrantFiled: October 18, 2021Date of Patent: December 17, 2024Assignee: TDK CorporationInventors: Nobuyuki Okuzawa, Kazuhiko Ito, Munehiro Takaku, Junichiro Urabe
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Publication number: 20240312684Abstract: A coil component includes an element body formed by stacking a plurality of insulating layers and including a principal surface and a principal surface, a first terminal electrode and a second terminal electrode disposed on the principal surface of the element body, and a coil disposed in the element body and electrically connected to the first terminal electrode and the second terminal electrode. The coil includes a first wiring portion disposed on the principal surface side, a second wiring portion disposed on the principal surface side, and a pillar portion extending in the second direction and connecting the first wiring portion and the second wiring portion. In the pillar portion, a filler is disposed on a contact surface in which two conductors come into contact with each other.Type: ApplicationFiled: January 4, 2024Publication date: September 19, 2024Applicant: TDK CorporationInventors: Ryuji Hashimoto, Nobuyuki Okuzawa, Yuta Takahashi, Hiroki Hosaka, Munehiro Takaku, Shinnosuke Suzuki
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Patent number: 12080471Abstract: In a coil 5 of a multilayer coil component 1, an end portion 6a of a turn 6 closest to a side surface 2e in the facing direction of the side surface 2e and a side surface 2f is connected to a first external electrode 3 and an end portion 11a of a turn 11 closest to the side surface 2f in the facing direction is connected to a second external electrode 4. When viewed from the facing direction, the area of the region where the turn 6 and the second external electrode 4 face each other and the area of the region where the turn 11 and the first external electrode 3 face each other are larger than the area of the region where turns other than the turn 6 and the turn 11 and the first external electrode 3 or the second external electrode 4 face each other.Type: GrantFiled: February 3, 2021Date of Patent: September 3, 2024Assignee: TDK CORPORATIONInventors: Junichiro Urabe, Hajime Kato, Yuto Shiga, Kazuya Tobita, Youichi Kazuta, Noriaki Hamachi, Toshinori Matsuura, Yuichi Takubo, Asami Takahashi, Munehiro Takaku
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Patent number: 11842844Abstract: In a coil 5 of a multilayer coil component 1, an end portion 6a of a turn 6 closest to a side surface 2e in the facing direction of the side surface 2e and a side surface 2f is connected to a first external electrode 3 and an end portion 11a of a turn 11 closest to the side surface 2f in the facing direction of the pair of side surfaces 2e and 2f is connected to a second external electrode 4. The area at which the turn 6 faces the second external electrode 4 and the area at which the turn 11 faces the first external electrode 3 are smaller than the area at which turns 7, 8, 9, and 10 other than the turn 6 and the turn 11 face the first external electrode 3 or the second external electrode 4.Type: GrantFiled: February 3, 2021Date of Patent: December 12, 2023Assignee: TDK CORPORATIONInventors: Junichiro Urabe, Hajime Kato, Yuto Shiga, Kazuya Tobita, Youichi Kazuta, Noriaki Hamachi, Toshinori Matsuura, Yuichi Takubo, Asami Takahashi, Munehiro Takaku
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Publication number: 20230307167Abstract: Provided is a multilayer coil component in which a position of a boundary between a first portion and a third portion in a second wiring portion located closer to a side surface is located closer to an end surface in a first direction than a position of a boundary between a first portion and a third portion in a second wiring portion located closer to a side surface, and a position of a boundary between a second portion and a third portion in a second wiring portion located closer to the side surface is located closer to an end surface in the first direction than a position of a boundary between a second portion and a third portion in a second wiring portion located closer to the side surface.Type: ApplicationFiled: February 8, 2023Publication date: September 28, 2023Applicant: TDK CORPORATIONInventors: Munehiro TAKAKU, Nobuyuki Okuzawa, Kazuya Tobita, Teruhiro Mitsuyasu
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Publication number: 20230307164Abstract: Provided is a multilayer coil component including an element body, a first terminal electrode, a second terminal electrode, a coil, a first connecting conductor, and a second connecting conductor, wherein a length of each of the first connecting conductor and the second connecting conductor in a first direction is longer than lengths of pillar portions connected to the first connecting conductor and the second connecting conductor in the first direction and equal to or less than lengths of the first terminal electrode and the second terminal electrode in the first direction.Type: ApplicationFiled: February 8, 2023Publication date: September 28, 2023Applicant: TDK Corporation.Inventors: Munehiro TAKAKU, Nobuyuki OKUZAWA, Kazuya TOBITA, Teruhiro MITSUYASU
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Publication number: 20230307163Abstract: A multilayer coil component 1 includes an element body, a first terminal electrode, a second terminal electrode, a coil, a first connecting conductor, and a second connecting conductor, the coil includes first wiring portions, second wiring portions, and pillar portions, and lengths of the pillar portions in a first direction are longer than lengths of the pillar portions in a third direction.Type: ApplicationFiled: February 8, 2023Publication date: September 28, 2023Applicant: TDK CorporationInventors: Munehiro TAKAKU, Nobuyuki OKUZAWA, Kazuya TOBITA, Teruhiro MITSUYASU
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Publication number: 20230230756Abstract: A laminated coil component includes an element body, a first terminal electrode and a second terminal electrode, and a coil, the coil includes a plurality of first wiring portions disposed on a main surface side and disposed side by side in a third direction, a plurality of second wiring portions disposed on a mounting surface side and disposed side by side in the third direction, and a plurality of first pillar portions and second pillar portions that extend in a second direction and connect the first wiring portion with the second wiring portion which correspond to each other, and a width of the second wiring portion in the third direction is smaller than a width of the first wiring portion in the third direction.Type: ApplicationFiled: January 12, 2023Publication date: July 20, 2023Applicant: TDK CORPORATIONInventors: Nobuyuki OKUZAWA, Munehiro TAKAKU, Kazuya TOBITA, Teruhiro MITSUYASU
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Publication number: 20230230757Abstract: A laminated coil component includes an element body, a first terminal electrode and a second terminal electrode, and a coil, the coil includes a first wiring portion, a second wiring portion, and a pillar portion, the pillar portion has a first pillar member and a second pillar member alternately laminated in a second direction, and an area of a first surface and an area of a second surface of the first pillar member are larger than an area of a first surface and an area of a second surface of the second pillar member, or smaller than the area of the first surface and the area of the second surface of the second pillar member.Type: ApplicationFiled: January 12, 2023Publication date: July 20, 2023Applicant: TDK CORPORATIONInventors: Nobuyuki OKUZAWA, Munehiro TAKAKU, Kazuya TOBITA, Teruhiro MITSUYASU
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Publication number: 20230207182Abstract: A multilayer coil component includes an element body including a main surface (a mounting surface) and a main surface, a pair of terminal electrodes disposed on the main surface of the element body, and a coil that is disposed in the element body and electrically connected to the pair of terminal electrodes, wherein the element body includes at least one element body layer containing a filler and at least one element body layer having a lower dielectric constant than the element body layer between a first wiring portion and the terminal electrodes.Type: ApplicationFiled: October 19, 2022Publication date: June 29, 2023Applicant: TDK CORPORATIONInventors: Nobuyuki OKUZAWA, Kazuya TOBITA, Munehiro TAKAKU, Teruhiro MITSUYASU
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Publication number: 20220130601Abstract: Disclosed herein is a coil component that includes a resin body having a first resin-based insulating material and a second resin-based insulating material lower in relative permittivity than the first resin-based insulating material, a coil pattern embedded in the resin body and helically wound in a plurality of turns, and first and second terminal electrodes formed on a surface of the resin body and connected respectively to one and other ends of the coil pattern. The coil pattern has a part covered with the first resin-based insulating material and another part covered with the second resin-based insulating material.Type: ApplicationFiled: October 18, 2021Publication date: April 28, 2022Inventors: Nobuyuki OKUZAWA, Kazuhiko ITO, Munehiro TAKAKU, Junichiro URABE
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Publication number: 20220130595Abstract: Disclosed herein is a coil component that includes a coil pattern embedded in an element body and helically wound in a plurality of turns. The element body includes a support body having a cavity formed therein and a first insulating layer stacked on the support body so as to cover the cavity, thereby forming a hollow space inside the element body. The coil pattern includes a plurality of first sections formed along an inner wall of the cavity and a plurality of second sections formed on the first insulating layer. One ends of the plurality of first sections are connected respectively to their corresponding one ends of the plurality of second sections. The other ends of the plurality of first sections are connected respectively to their corresponding other ends of the plurality of second sections.Type: ApplicationFiled: October 18, 2021Publication date: April 28, 2022Inventors: Nobuyuki OKUZAWA, Kazuhiko ITO, Munehiro TAKAKU, Junichiro URABE
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Publication number: 20220130596Abstract: Disclosed herein is a coil component that includes a coil pattern embedded in a resin body. The resin body includes a winding core area surrounded by the coil pattern and having a first surface and a substantially flat second surface different in the circumferential direction position from the first surface, and a first surrounding area covering the first surface of the winding core area. The coil pattern includes first sections extending along the first surface of the winding core area and second sections extending along the second surface of the winding core area. One ends of the first sections are connected respectively to their corresponding one ends of the second sections. The other ends of the first sections are connected respectively to their corresponding other ends of the second sections.Type: ApplicationFiled: October 18, 2021Publication date: April 28, 2022Inventors: Nobuyuki OKUZAWA, Kazuhiko ITO, Munehiro TAKAKU, Junichiro URABE
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Publication number: 20210272743Abstract: A multilayer coil component includes an element body, a coil, and a terminal electrode. The element body includes a first main face, second main face, first end face, second end face, first side face and second side face. The terminal electrode is connected to the coil. The terminal electrode includes a main-face electrode portion provided on the first main face. The coil includes a plurality of coil conductors. The plurality of coil conductors includes a first coil conductor disposed closest to the first main face to oppose to the main-face electrode portion and a second coil conductor disposed closer to the second main face than the first coil conductor. The first coil conductor has a width narrower than a width of the second coil conductor. The first coil conductor has an aspect ratio higher than an aspect ratio of the second coil conductor.Type: ApplicationFiled: February 17, 2021Publication date: September 2, 2021Applicant: TDK CORPORATIONInventors: Hajime KATO, Junichiro URABE, Yuto SHIGA, Kazuya TOBITA, Youichi KAZUTA, Noriaki HAMACHI, Toshinori MATSUURA, Yuichi TAKUBO, Munehiro TAKAKU
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Publication number: 20210249184Abstract: In a coil 5 of a multilayer coil component 1, an end portion 6a of a turn 6 closest to a side surface 2e in the facing direction of the side surface 2e and a side surface 2f is connected to a first external electrode 3 and an end portion 11a of a turn 11 closest to the side surface 2f in the facing direction of the pair of side surfaces 2e and 2f is connected to a second external electrode 4. The area at which the turn 6 faces the second external electrode 4 and the area at which the turn 11 faces the first external electrode 3 are smaller than the area at which turns 7, 8, 9, and 10 other than the turn 6 and the turn 11 face the first external electrode 3 or the second external electrode 4.Type: ApplicationFiled: February 3, 2021Publication date: August 12, 2021Applicant: TDK CORPORATIONInventors: Junichiro URABE, Hajime KATO, Yuto SHIGA, Kazuya TOBITA, Youichi KAZUTA, Noriaki HAMACHI, Toshinori MATSUURA, Yuichi TAKUBO, Asami TAKAHASHI, Munehiro TAKAKU
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Publication number: 20210249183Abstract: In a coil 5 of a multilayer coil component 1, an end portion 6a of a turn 6 closest to a side surface 2e in the facing direction of the side surface 2e and a side surface 2f is connected to a first external electrode 3 and an end portion 11a of a turn 11 closest to the side surface 2f in the facing direction is connected to a second external electrode 4. When viewed from the facing direction, the area of the region where the turn 6 and the second external electrode 4 face each other and the area of the region where the turn 11 and the first external electrode 3 face each other are larger than the area of the region where turns other than the turn 6 and the turn 11 and the first external electrode 3 or the second external electrode 4 face each other.Type: ApplicationFiled: February 3, 2021Publication date: August 12, 2021Applicant: TDK CORPORATIONInventors: Junichiro URABE, Hajime KATO, Yuto SHIGA, Kazuya TOBITA, Youichi KAZUTA, Noriaki HAMACHI, Toshinori MATSUURA, Yuichi TAKUBO, Asami TAKAHASHI, Munehiro TAKAKU