Patents by Inventor Kazuya TOBITA
Kazuya TOBITA 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: 20240339259Abstract: A multilayer coil component includes an element assembly that has a first surface and second surfaces extending in a direction orthogonal to the first surface, and terminal electrodes that has first electrode parts extending in a direction orthogonal to the first surface along the second surfaces. At least a portion of the first electrode parts of the terminal electrodes is disposed inside the element assembly. The element assembly is present between imaginary lines extending in a direction parallel to the first surface toward the second surfaces from a position farthest from the first surface in a direction orthogonal to the first surface in the first electrode parts positioned inside the element assembly and the first surface.Type: ApplicationFiled: June 14, 2024Publication date: October 10, 2024Applicant: TDK CorporationInventors: Youichi KAZUTA, Hajime Kato, Makoto Yoshino, Kazuya Tobita, Yuto Shiga, Noriaki Hamachi
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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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Publication number: 20240266097Abstract: The electronic component includes an element body, a first external electrode, and a second external electrode. The first external electrode and the second external electrode are disposed on a principal surface and are separated from each other in a first direction. The first external electrode includes a first region and a second region. The first region includes an end edge that opposes the second external electrode in the first direction and is located inside the element body. The second region is continuous with the first region and is exposed from the principal surface. The second external electrode includes a third region and a fourth region. The third region includes an edge that opposes the first region in the first direction and is located inside the element body. The fourth region is continuous with the third region and is exposed from the principal surface.Type: ApplicationFiled: January 30, 2024Publication date: August 8, 2024Applicant: TDK CorporationInventors: Xuran GUO, Youichi Kazuta, Kazuya Tobita, Yuto Shiga, Yuichi Takubo, So Kobayashi, Hiroto Komatsu, Toru Yaginuma
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Publication number: 20240266108Abstract: An electronic component includes an element body including a first principal surface and a second principal surface opposing each other, and first and second external electrodes disposed on the first principal surface and separated from each other. The element body includes a first region including the first principal surface and a second region located between the first region and the second principal surface. The first region includes a portion located between the first and second external electrodes. The portion included in the first region is in contact with the first and second external electrodes. When viewed in a direction in which the first principal surface and the second principal surface oppose each other, the portion included in the first region covers an end of each of the first and second external electrodes. The first region has hardness greater than that of the second region.Type: ApplicationFiled: January 29, 2024Publication date: August 8, 2024Applicant: TDK CorporationInventors: Youichi KAZUTA, Kazuya TOBITA, Yuto SHIGA, Yuichi TAKUBO, Xuran GUO, So KOBAYASHI, Hiroto KOMATSU, Toru YAGINUMA
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Patent number: 12040122Abstract: A multilayer coil component includes an element assembly that has a first surface and second surfaces and extending in a direction orthogonal to the first surface, and terminal electrodes that has first electrode parts extending in a direction orthogonal to the first surface along the second surfaces. At least a portion of the first electrode parts of the terminal electrodes is disposed inside the element assembly. The element assembly is present between imaginary lines extending in a direction parallel to the first surface toward the second surfaces from a position farthest from the first surface in a direction orthogonal to the first surface in the first electrode parts positioned inside the element assembly and the first surface.Type: GrantFiled: April 23, 2019Date of Patent: July 16, 2024Assignee: TDK CORPORATIONInventors: Youichi Kazuta, Hajime Kato, Makoto Yoshino, Kazuya Tobita, Yuto Shiga, Noriaki Hamachi
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Patent number: 12020850Abstract: A multilayer coil component includes an element body, a coil disposed in the element body, and a terminal electrode disposed on the element body. The element body has a first side face and a second side face, a first end face and a second end face, and a first main face and a second main face. The terminal electrode includes a first electrode portion and a second electrode portion. The first electrode portion has a first exposed face exposed on the first main face. The second electrode portion has a second exposed face exposed on the first end face. The first exposed face and the second exposed face are adjacent to each other interposing a ridge portion. The first exposed face is separated from an outer edge of the first main face. The second exposed face is separated from an outer edge of the first end face.Type: GrantFiled: March 3, 2021Date of Patent: June 25, 2024Assignee: TDK CORPORATIONInventors: Yuto Shiga, Hajime Kato, Junichiro Urabe, Kazuya Tobita, Youichi Kazuta, Noriaki Hamachi, Toshinori Matsuura, Yuichi Takubo
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Patent number: 11978580Abstract: A first dimension of each of a first connection portion 12 and a second connection portion 14 in the direction in which a pair of side surfaces 2e and 2f face each other is smaller than an inner diameter W2 of a coil 8 in the direction and is larger than a width W1 of each of a plurality of coil conductors in the direction. A second dimension of each of the first connection portion 12 and the second connection portion 14 in the direction in which a pair of main surfaces 2c and 2d face each other is larger than a thickness H1 of each of the plurality of coil conductors in the direction and is smaller than a height H2 of the coil 8 in the direction.Type: GrantFiled: November 26, 2019Date of Patent: May 7, 2024Assignee: TDK CORPORATIONInventors: Kazuya Tobita, Yuto Shiga, Youichi Kazuta, Noriaki Hamachi
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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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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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Patent number: 11830664Abstract: A multilayer coil component 1 includes an element body 2, a coil 8, and a terminal electrode 4 and a terminal electrode 5. Each of the terminal electrode 4 and the terminal electrode 5 is disposed over at least the end surfaces 2a and 2b and a main surface 2d. Each of the terminal electrode 4 and the terminal electrode 5 and at least a part of the coil 8 overlap when viewed from the facing direction of the pair of side surfaces 2e and 2f. Each of the terminal electrode 4 and the terminal electrode 5 and the coil 8 do not overlap when viewed from the facing direction of the pair of end surfaces 2a and 2b.Type: GrantFiled: January 17, 2020Date of Patent: November 28, 2023Assignee: TDK CORPORATIONInventors: Hajime Kato, Hidekazu Sato, Makoto Yoshino, Kazuya Tobita, Yuto Shiga, Youichi Kazuta, Noriaki Hamachi
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Patent number: 11791088Abstract: In a multilayer coil component 1, a coil 7 includes a first connection part 22a and a second connection part 26a, the first connection part 22a is connected to one end part of the coil 7, which part is placed on a side of one principal surface 2c, and is arranged in an identical dielectric layer 6 with a conductor 22 included in the one end part, the second connection part 26a is connected to the other end part of the coil 7, which part is placed on a side of the other principal surface 2d, and is arranged in an identical dielectric layer 6 with a conductor 26 included in the other end part, and recessed parts 8a and 8b and recessed parts 9a and 9b are respectively provided in the first terminal electrode 4 and the second terminal electrode 5 in the element body 2.Type: GrantFiled: April 25, 2019Date of Patent: October 17, 2023Assignee: TDK CORPORATIONInventors: Kazuya Tobita, Hajime Kato, Makoto Yoshino, Youichi Kazuta, Yuto Shiga, Noriaki Hamachi
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Publication number: 20230326661Abstract: The mainline pattern and the pair of bypass patterns in the multilayer inductor can be regarded as three inductors connected in parallel in the element body. That is, in the multilayer inductor, paralleling of the inductance is realized in the element body by the mainline pattern and the pair of bypass patterns. Therefore, the inductance value of the multilayer inductor as a whole can be reduced.Type: ApplicationFiled: March 22, 2023Publication date: October 12, 2023Applicant: TDK CORPORATIONInventors: Noriaki HAMACHI, Toshinori MATSUURA, Junichiro URABE, Kazuya TOBITA, Yuto SHIGA, Youichi KAZUTA, Yuichi TAKUBO, Shunya SUZUKI, Xuran GUO, So KOBAYASHI
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Publication number: 20230317360Abstract: In the multilayer inductor, the extending direction of the connection portion is a direction along the turn portion when viewed from the extending direction of the coil axis. In this case, the change of the current route at the junction portion between the turn portion and the connection portion becomes gentle. Therefore, the signal loss at the junction portion is reduced, a high Q value can be achieved.Type: ApplicationFiled: March 22, 2023Publication date: October 5, 2023Applicant: TDK CORPORATIONInventors: Kazuya TOBITA, Xuran GUO, Youichi KAZUTA, Yuichi TAKUBO, Yuto SHIGA, So KOBAYASHI, Toshinori MATSUURA, Noriaki HAMACHI, Junichiro URABE, Shunya SUZUKI
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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: 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: 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: 20230290561Abstract: A multilayer coil component includes an element body including a main surface, first and second external electrodes disposed on the main surface, a coil disposed in the element body, a first connection conductor connecting the first external electrode and the coil, and a second connection conductor connecting the second external electrode and the coil. The second connection conductor includes a pad conductor and a through-hole conductor. The pad conductor and through-hole conductor are separated from the coil. The through-hole conductor includes a connection end connected to the pad conductor. The pad conductor includes a first portion overlapping the entire connection end included in the through-hole conductor and a second portion continuous with the first portion. The second portion is separated from the coil more than the first portion.Type: ApplicationFiled: December 22, 2022Publication date: September 14, 2023Applicant: TDK CORPORATIONInventors: Xuran GUO, Kazuya TOBITA, Youichi KAZUTA, Yuichi TAKUBO, Yuto SHIGA, So KOBAYASHI, Toshinori MATSUURA, Noriaki HAMACHI, Junichiro URABE, Shunya SUZUKI
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Patent number: 11749445Abstract: A laminated coil component includes an element body, a coil, and a pair of conductors. The pair of conductors is disposed on the element body. Each of the pair of conductors has an L shape when viewed from the third direction. Each of the pair of conductors includes a first conductor portion and a second conductor portion. The first conductor portion is disposed on one of first side faces. The second conductor portion is disposed on a pair of end faces. The coil includes a first coil portion and a second coil portion. The first coil portion includes a first straight portion and a pair of second straight portions. The pair of second straight portions is connected to both ends of the first straight portion. The second coil portion is curved as a whole.Type: GrantFiled: November 19, 2021Date of Patent: September 5, 2023Assignee: TDK CORPORATIONInventors: Hajime Kato, Yuto Shiga, Kazuya Tobita, Youichi Kazuta, Yuya Ishima, Satoru Okamoto, Shunji Aoki
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Patent number: 11735347Abstract: A pair of terminal electrodes 4 and 5 have electrode parts 4a and 5a and electrode parts 4b and 5b when viewed from a stacking direction, respectively. A plurality of connection conductors are disposed at positions not overlapping a plurality of coil conductors when viewed from the stacking direction. At least two of the plurality of connection conductors are disposed in a first region A1 or a second region A2 between the terminal electrodes 4 and 5 and an outer edge 9a of a coil 9 when viewed from the stacking direction. The first region A1 and the second region A2 overlap the electrode parts 4a and 5a when viewed from the facing direction of a pair of end surfaces 2a and 2b and overlap the electrode parts 4b and 5b when viewed from the facing direction of a pair of main surfaces 2c and 2d.Type: GrantFiled: June 15, 2020Date of Patent: August 22, 2023Assignee: TDK CORPORATIONInventors: Yuto Shiga, Hajime Kato, Kazuya Tobita, Youichi Kazuta, Noriaki Hamachi, Makoto Yoshino
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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