Patents by Inventor Kei Masunishi
Kei Masunishi 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: 11402209Abstract: According to one embodiment, a sensor includes a movable member including a first movable portion and a second movable portion, and a first fixed member. At least a portion of the first fixed member is between the first movable portion and the second movable portion. The first fixed member includes a first fixed counter portion opposing the first movable portion, and a second fixed counter portion opposing the second movable portion. The first fixed counter portion includes a first fixed protruding portion protruding toward the first movable portion. The second fixed counter portion includes a second fixed protruding portion protruding toward the second movable portion.Type: GrantFiled: September 10, 2019Date of Patent: August 2, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Shiori Kaji, Ryunosuke Gando, Yasushi Tomizawa, Kei Masunishi, Tamio Ikehashi
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Patent number: 11387064Abstract: According to one embodiment, a MEMS element includes a first member, and an element part. The element part includes a first fixed electrode fixed to the first member, a first movable electrode facing the first fixed electrode, a first conductive member electrically connected to the first movable electrode, and a second conductive member electrically connected to the first movable electrode. The first conductive member and the second conductive member support the first movable electrode to be separated from the first fixed electrode in a first state before a first electrical signal is applied between the second conductive member and the first fixed electrode. The first conductive member and the second conductive member are in a broken state in a second state after the first electrical signal is applied between the second conductive member and the first fixed electrode.Type: GrantFiled: September 10, 2020Date of Patent: July 12, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Hiroaki Yamazaki, Kei Masunishi
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Publication number: 20220137085Abstract: According to one embodiment, a sensor includes a first detection element, and a processing part. The first detection element includes a base body, a first supporter fixed to the base body, a first movable part, first and second counter conductive parts. The first movable part is supported by the first supporter and separated from the base body. The first movable part includes a first movable base part supported by the first supporter, a second movable base part connected with the first movable base part, a first movable beam including a first beam, and a second movable beam including a second beam. The first beam includes a first end portion and a first other end portion. The second beam includes a second end portion and a second other end portion. The first counter conductive part faces the first movable beam. The second counter conductive part faces the second movable beam.Type: ApplicationFiled: August 31, 2021Publication date: May 5, 2022Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kei Masunishi, Yasushi Tomizawa, Etsuji Ogawa, Ryunosuke Gando, Shiori Kaji, Hiraki Hiraga, Fumito Miyazaki
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Publication number: 20220084767Abstract: According to one embodiment, a MEMS element includes a first member, and an element part. The element part includes a first fixed electrode fixed to the first member, a first movable electrode facing the first fixed electrode, a first conductive member electrically connected to the first movable electrode, and a second conductive member electrically connected to the first movable electrode. The first movable electrode is supported by the first and second conductive members to be separated from the first fixed electrode. The first conductive member has a meandering structure. The second conductive member includes a first conductive region and a second conductive region. The second conductive region is between the first movable electrode and the first conductive region. A second width of the second conductive region along a second direction is less than a first width of the first conductive region along the second direction.Type: ApplicationFiled: February 26, 2021Publication date: March 17, 2022Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroaki YAMAZAKI, Kei Masunishi
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Patent number: 11214481Abstract: According to one embodiment, a MEMS element includes a base body, a supporter, a film part, a first electrode, a second electrode, and an insulating member. The supporter is fixed to the base body. The film part is separated from the base body in a first direction and supported by the supporter. The first electrode is fixed to the base body and provided between the base body and the film part. The second electrode is fixed to the film part and provided between the first electrode and the film part. The insulating member includes a first insulating region and a second insulating region. The first insulating region is provided between the first electrode and the second electrode. A first gap is provided between the first insulating region and the second electrode. The second insulating region does not overlap the first electrode in the first direction.Type: GrantFiled: March 4, 2020Date of Patent: January 4, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Fumitaka Ishibashi, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Tomohiko Nagata, Kei Masunishi, Yoshihiko Kurui
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Publication number: 20210396780Abstract: According to one embodiment, a sensor includes a base body, a first supporter fixed to the base body, and a first movable part separated from the base body. The first movable part includes a first movable base part supported by the first supporter, a second movable base part connected with the first movable base part, and a first movable beam. The first movable beam includes a first beam, a first movable conductive part, and a first connection region. The first beam includes a first beam portion, a second beam portion, and a third beam portion between the first beam portion and the second beam portion. The first beam portion is connected with the first movable base part. The second beam portion is connected with the second movable base part. The first connection region connects the third beam portion and the first movable conductive part.Type: ApplicationFiled: March 2, 2021Publication date: December 23, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kei MASUNISHI, Yasushi TOMIZAWA, Etsuji OGAWA, Ryunosuke GANDO, Shiori KAJI, Hiroki HIRAGA, Fumito MIYAZAKI
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Publication number: 20210381831Abstract: According to one embodiment, a sensor includes a processor. The processor is configured to acquire a first angle value from an angle gyro sensor and acquire a first angular velocity value from an angular velocity gyro sensor, and perform at least first processing. The first processing includes outputting a second angular velocity value by correcting the first angular velocity value by using a value obtained by filtering a difference between the first angle value and a post-processing angle value. The post-processing angle value is obtained by processing the first angular velocity value.Type: ApplicationFiled: January 29, 2021Publication date: December 9, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ryunosuke GANDO, Yasushi TOMIZAWA, Daiki ONO, Kei MASUNISHI
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Patent number: 11169035Abstract: According to one embodiment, a pressure sensor includes a base body, a supporter, a film part, a first electrode, and a second electrode. The supporter is fixed to the base body. The film part is separated from the base body. The film part includes first, second, and third partial regions, and a rim portion. The rim portion is supported by the supporter. The second partial region is between the first partial region and the rim portion. The third partial region is between the second partial region and the rim portion. The first electrode is provided between the base body and the first partial region and between the base body and the second partial region. The first electrode is fixed to the base body. The second electrode is provided between the first electrode and the first partial region and between the first electrode and the second partial region.Type: GrantFiled: February 13, 2020Date of Patent: November 9, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Kei Masunishi, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Fumitaka Ishibashi, Yoshihiko Kurui, Tomohiko Nagata
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Publication number: 20210175035Abstract: According to one embodiment, a MEMS element includes a first member, and an element part. The element part includes a first fixed electrode fixed to the first member, a first movable electrode facing the first fixed electrode, a first conductive member electrically connected to the first movable electrode, and a second conductive member electrically connected to the first movable electrode. The first conductive member and the second conductive member support the first movable electrode to be separated from the first fixed electrode in a first state before a first electrical signal is applied between the second conductive member and the first fixed electrode. The first conductive member and the second conductive member are in a broken state in a second state after the first electrical signal is applied between the second conductive member and the first fixed electrode.Type: ApplicationFiled: September 10, 2020Publication date: June 10, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroaki YAMAZAKI, Kei Masunishi
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Publication number: 20210047171Abstract: According to one embodiment, a MEMS element includes a base body, a supporter, a film part, a first electrode, a second electrode, and an insulating member. The supporter is fixed to the base body. The film part is separated from the base body in a first direction and supported by the supporter. The first electrode is fixed to the base body and provided between the base body and the film part. The second electrode is fixed to the film part and provided between the first electrode and the film part. The insulating member includes a first insulating region and a second insulating region. The first insulating region is provided between the first electrode and the second electrode. A first gap is provided between the first insulating region and the second electrode. The second insulating region does not overlap the first electrode in the first direction.Type: ApplicationFiled: March 4, 2020Publication date: February 18, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Fumitaka ISHIBASHI, Naofumi NAKAMURA, Hiroaki YAMAZAKI, Tomohiro SAITO, Tomohiko NAGATA, Kei MASUNISHI, Yoshihiko KURUI
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Publication number: 20210041311Abstract: According to one embodiment, a pressure sensor includes a base body, a supporter, a film part, a first electrode, and a second electrode. The supporter is fixed to the base body. The film part is separated from the base body. The film part includes first, second, and third partial regions, and a rim portion. The rim portion is supported by the supporter. The second partial region is between the first partial region and the rim portion. The third partial region is between the second partial region and the rim portion. The first electrode is provided between the base body and the first partial region and between the base body and the second partial region. The first electrode is fixed to the base body. The second electrode is provided between the first electrode and the first partial region and between the first electrode and the second partial region.Type: ApplicationFiled: February 13, 2020Publication date: February 11, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kei MASUNISHI, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Fumitaka Ishibashi, Yoshihiko Kurui, Tomohiko Nagata
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Patent number: 10908035Abstract: According to one embodiment, a pressure sensor is disclosed. The pressure sensor includes a substrate, and a first capacitor element. The first capacitor element includes a lower electrode provided on the substrate, an upper electrode disposed above the lower electrode, and a film provided over the lower electrode and upper electrode. The lower electrode and the upper electrode are between the substrate and the film. An absolute value of an amount of change in an electrostatic capacitance between the lower electrode and the upper electrode with respect to unit change in an ambient temperature of the first capacitor element is substantially zero.Type: GrantFiled: September 11, 2019Date of Patent: February 2, 2021Assignee: Kabushiki Kaisha ToshibaInventors: Kei Masunishi, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Fumitaka Ishibashi, Yoshihiko Kurui, Tomohiko Nagata
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Patent number: 10788545Abstract: According to one embodiment, a sensor includes a supporter, a first film portion, a first sensing element, and a first magnetic portion. The first film portion is supported by the supporter, is deformable, and includes a first fixed end extending along a first fixed end direction. A first sensing element is fixed to the first film portion, and includes a first magnetic layer, a first opposing magnetic layer provided between the first magnetic layer and the first film portion, and a first intermediate layer provided between the first magnetic layer and the first opposing magnetic layer. A direction from the first opposing magnetic layer toward the first magnetic layer is aligned with a first element direction. The first magnetic portion includes a first end portion extending along a first end portion direction tilted with respect to the first fixed end direction, and overlaps a portion of the supporter.Type: GrantFiled: February 14, 2018Date of Patent: September 29, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Shotaro Baba, Yoshihiko Fuji, Akiko Yuzawa, Kei Masunishi, Michiko Hara, Shiori Kaji, Tomohiko Nagata, Yoshihiro Higashi, Kazuaki Okamoto
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Publication number: 20200300717Abstract: According to one embodiment, a pressure sensor is disclosed. The pressure sensor includes a substrate, and a first capacitor element. The first capacitor element includes a lower electrode provided on the substrate, an upper electrode disposed above the lower electrode, and a film provided over the lower electrode and upper electrode. The lower electrode and the upper electrode are between the substrate and the film. An absolute value of an amount of change in an electrostatic capacitance between the lower electrode and the upper electrode with respect to unit change in an ambient temperature of the first capacitor element is substantially zero.Type: ApplicationFiled: September 11, 2019Publication date: September 24, 2020Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kei Masunishi, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Fumitaka Ishibashi, Yoshihiko Kurui, Tomohiko Nagata
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Patent number: 10775197Abstract: According to one embodiment, a sensor includes a sensing element portion and a first magnetic portion. The sensing element portion includes a supporter, a deformable film portion supported by the supporter, and a first element including a magnetic layer and being provided at the film portion. The first magnetic portion is separated from the sensing element portion. The first magnetic portion includes a plurality of first holes. A width of one of the plurality of first holes along a second direction is narrower than a length of the sensing element portion along the second direction and wider than a length of the first element along the second direction. The second direction crosses a first direction from the film portion toward the first element.Type: GrantFiled: August 31, 2018Date of Patent: September 15, 2020Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventors: Yoshihiko Fuji, Keiju Yamada, Kei Masunishi, Michiko Hara, Yoshihiro Higashi, Kazuaki Oakamoto, Shiori Kaji
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Publication number: 20200284582Abstract: According to one embodiment, a sensor includes a movable member including a first movable portion and a second movable portion, and a first fixed member. At least a portion of the first fixed member is between the first movable portion and the second movable portion. The first fixed member includes a first fixed counter portion opposing the first movable portion, and a second fixed counter portion opposing the second movable portion. The first fixed counter portion includes a first fixed protruding portion protruding toward the first movable portion. The second fixed counter portion includes a second fixed protruding portion protruding toward the second movable portion.Type: ApplicationFiled: September 10, 2019Publication date: September 10, 2020Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shiori KAJI, Ryunosuke GANDO, Yasushi TOMIZAWA, Kei MASUNISHI, Tamio IKEHASHI
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Patent number: 10481027Abstract: According to one embodiment, a sensor includes a deformable film portion, a first sensing element and a second sensing element. The first sensing element is fixed to the film portion, and includes a first magnetic layer of a first material, a first opposing magnetic layer, and a first intermediate layer. The first intermediate layer is provided between the first magnetic layer and the first opposing magnetic layer. The second sensing element is fixed to the film portion, and includes a second magnetic layer of a second material, a second opposing magnetic layer, and a second intermediate layer. The second material is different from the first material. The second intermediate layer is provided between the second magnetic layer and the second opposing magnetic layer.Type: GrantFiled: September 28, 2018Date of Patent: November 19, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Yoshihiko Fuji, Michiko Hara, Kei Masunishi, Yoshihiro Higashi, Shiori Kaji, Akiko Yuzawa, Akio Hori, Tomohiko Nagata, Kazuaki Okamoto, Kenji Otsu, Shotaro Baba
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Patent number: 10473685Abstract: According to one embodiment, a sensor includes a first support portion, a first movable portion, a first piezoelectric element, and a first magnetic element. The first movable portion extends in a first extension direction and is connected to the first support portion. The first piezoelectric element is fixed to the first movable portion. The first piezoelectric element includes a first electrode, a second electrode provided between the first electrode and the first movable portion, and a first piezoelectric layer provided between the first electrode and the second electrode. The first magnetic element is fixed to the first movable portion. The first magnetic element includes a first magnetic layer, a second magnetic layer, and a first intermediate layer provided between the first magnetic layer and the second magnetic layer.Type: GrantFiled: February 28, 2017Date of Patent: November 12, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Yoshihiko Fuji, Michiko Hara, Kei Masunishi, Yoshihiro Higashi, Shiori Kaji, Akiko Yuzawa, Tomohiko Nagata, Kenji Otsu, Kazuaki Okamoto, Shotaro Baba
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Publication number: 20190285436Abstract: According to one embodiment, a sensor includes a sensing element portion and a first magnetic portion. The sensing element portion includes a supporter, a deformable film portion supported by the supporter, and a first element including a magnetic layer and being provided at the film portion. The first magnetic portion is separated from the sensing element portion. The first magnetic portion includes a plurality of first holes. A width of one of the plurality of first holes along a second direction is narrower than a length of the sensing element portion along the second direction and wider than a length of the first element along the second direction. The second direction crosses a first direction from the film portion toward the first element.Type: ApplicationFiled: August 31, 2018Publication date: September 19, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Yoshihiko FUJI, Keiju Yamada, Kei Masunishi, Michiko Hara, Yoshihiro Higashi, Kazuaki Okamoto, Shiori Kaji
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Patent number: 10345162Abstract: According to one embodiment, a sensor includes a first sensor unit, a first stacked body, and a film unit. The first sensor unit includes a first magnetic layer, a second magnetic layer, and a first intermediate layer, the first intermediate layer being provided between the first magnetic layer and the second magnetic layer. The first stacked body includes a third magnetic layer, a fourth magnetic layer, and a second intermediate layer, the second intermediate layer being provided between the third magnetic layer and the fourth magnetic layer. The film unit is deformable. A portion of the film unit is disposed between the first sensor unit and the first stacked body.Type: GrantFiled: August 25, 2016Date of Patent: July 9, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Akiko Yuzawa, Hideaki Fukuzawa, Kei Masunishi, Yoshihiro Higashi, Michiko Hara, Yoshihiko Fuji