Patents by Inventor Takehiro ISODA
Takehiro ISODA 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: 12253580Abstract: A magnetic sensor includes a plurality of resistor sections each including a plurality of MR elements, and a plurality of protruding surfaces each structured to cause the plurality of MR elements to detect a specific component of a target magnetic field. The plurality of MR elements are disposed dividedly in first to fourth areas corresponding respectively to the plurality of resistor sections. The plurality of protruding surfaces include a structural body extending across at least two of the first to fourth areas.Type: GrantFiled: September 21, 2022Date of Patent: March 18, 2025Assignee: TDK CORPORATIONInventors: Takehiro Isoda, Norikazu Ota, Daichi Takano, Kenji Inage
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Publication number: 20250003770Abstract: A magnetic sensor includes a soft magnetic structure including at least one yoke, and magnetoresistive (MR) elements configured to detect a magnetic field generated by the at least one yoke, the MR elements being adjacent to the at least one yoke in a transverse direction of the at least one yoke. The soft magnetic structure further includes at least one additional magnetic body arranged next to the at least one yoke in a longitudinal direction of the at least one yoke and located off the at least one yoke in an orthogonal direction orthogonal to the longitudinal direction.Type: ApplicationFiled: June 24, 2024Publication date: January 2, 2025Applicant: TDK CorporationInventors: Takehiro ISODA, Takafumi KOBAYASHI
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Publication number: 20240361403Abstract: A magnetic sensor includes a plurality of MR elements, a plurality of yokes each including a portion long in a first direction, and a plurality of shields each including a portion long in a second direction. The plurality of MR elements include a plurality of first specific elements. The plurality of yokes include a plurality of yoke pairs each including one of the plurality of first specific elements. The plurality of shields include a plurality of shield pairs each with one of the plurality of first specific elements therebetween. The plurality of first specific elements are arranged in a direction intersecting both the first direction and the second direction.Type: ApplicationFiled: April 22, 2024Publication date: October 31, 2024Applicant: TDK CORPORATIONInventors: Takehiro Isoda, Norikazu Ota
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Publication number: 20240319292Abstract: A magnetic sensor includes an insulating layer including a flat portion and a protruding portion, a first MR element, and a second MR element. The protruding portion includes a first inclined surface and a second inclined surface. The first MR element is disposed on the first inclined surface. The second MR element is disposed on the second inclined surface. The protruding portion extends in a first direction parallel to a top surface of a substrate, and includes a plurality of recess portions each recessed in a direction parallel to the top surface of the substrate at an end of the protruding portion in the first direction.Type: ApplicationFiled: June 7, 2024Publication date: September 26, 2024Applicant: TDK CORPORATIONInventors: Hiromichi UMEHARA, Keisuke TAKASUGI, TAKEHIRO ISODA, Kenji INAGE
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Publication number: 20240310460Abstract: A magnetic sensor includes a soft magnetic body having a first end surface and a second end surface located on opposite sides, a first MR element located near the first end surface, a second MR element located near the second end surface, and a first lead that electrically connects the first MR element and the second MR element and includes a portion overlapping the soft magnetic body when observed in a second direction orthogonal to a first direction in which the first and second MR elements are arranged.Type: ApplicationFiled: December 15, 2023Publication date: September 19, 2024Applicant: TDK CORPORATIONInventors: Takehiro ISODA, Norikazu OTA, Kazuya WATANABE, Hiraku HIRABAYASHI
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Patent number: 12044753Abstract: A magnetic sensor includes an insulating layer including a flat portion and a protruding portion, a first MR element, and a second MR element. The protruding portion includes a first inclined surface and a second inclined surface. The first MR element is disposed on the first inclined surface. The second MR element is disposed on the second inclined surface. The protruding portion extends in a first direction parallel to a top surface of a substrate, and includes a plurality of recess portions each recessed in a direction parallel to the top surface of the substrate at an end of the protruding portion in the first direction.Type: GrantFiled: September 15, 2022Date of Patent: July 23, 2024Assignee: TDK CORPORATIONInventors: Hiromichi Umehara, Keisuke Takasugi, Takehiro Isoda, Kenji Inage
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Publication number: 20230092845Abstract: A magnetic sensor includes an insulating layer including a flat portion and a protruding portion, a first MR element, and a second MR element. The protruding portion includes a first inclined surface and a second inclined surface. The first MR element is disposed on the first inclined surface. The second MR element is disposed on the second inclined surface. The protruding portion extends in a first direction parallel to a top surface of a substrate, and includes a plurality of recess portions each recessed in a direction parallel to the top surface of the substrate at an end of the protruding portion in the first direction.Type: ApplicationFiled: September 15, 2022Publication date: March 23, 2023Applicant: TDK CORPORATIONInventors: Hiromichi UMEHARA, Keisuke TAKASUGI, Takehiro ISODA, Kenji INAGE
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Publication number: 20230087727Abstract: A magnetic sensor includes a plurality of resistor sections each including a plurality of MR elements, and a plurality of protruding surfaces each structured to cause the plurality of MR elements to detect a specific component of a target magnetic field. The plurality of MR elements are disposed dividedly in first to fourth areas corresponding respectively to the plurality of resistor sections. The plurality of protruding surfaces include a structural body extending across at least two of the first to fourth areas.Type: ApplicationFiled: September 21, 2022Publication date: March 23, 2023Applicant: TDK CORPORATIONInventors: Takehiro ISODA, Norikazu OTA, Daichi TAKANO, Kenji INAGE