Patents by Inventor Akiko Yuzawa
Akiko Yuzawa 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: 20180352342Abstract: According to one embodiment, a microphone package includes: a pressure sensing element including a film and a device; and a cover. The film generates strain in response to pressure. The device includes: a first electrode; a second electrode; and a first magnetic layer. The first magnetic layer is provided between the first electrode and the second electrode and has a first magnetization. The cover includes: an upper portion; and a side portion. The side portion is magnetic and provided depending on the first magnetization and the second magnetization.Type: ApplicationFiled: August 3, 2018Publication date: December 6, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Yoshihiro Higashi, Yoshihiko Fuji, Michiko Hara, Akiko Yuzawa, Shiori Kaji, Tomohiko Nagata, Akio Hori, Hideaki Fukuzawa
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Patent number: 10145751Abstract: 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: August 26, 2016Date of Patent: December 4, 2018Assignee: 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: 10094723Abstract: A sensor includes a film portion and a first sensor portion. The film portion is deformable. The first sensor portion is provided at the film portion. The first sensor portion includes a first conductive layer, a second conductive layer, a first magnetic layer, a second magnetic layer, and a first intermediate layer. The second conductive layer is provided between the first conductive layer and the film portion. The first magnetic layer is provided between the first conductive layer and the second conductive layer. The second magnetic layer is provided between the first magnetic layer and the second conductive layer. The first intermediate layer is provided between the first magnetic layer and the second magnetic layer. A curvature of the first conductive layer is different from a curvature of at least a portion of the film portion.Type: GrantFiled: February 23, 2017Date of Patent: October 9, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Kenji Otsu, Michiko Hara, Yoshihiko Fuji, Kei Masunishi, Akiko Yuzawa, Tomohiko Nagata, Shiori Kaji, Yoshihiro Higashi, Kazuaki Okamoto, Shotaro Baba
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Patent number: 10082435Abstract: A pressure sensor according to an embodiment includes: a support member; a membrane supported by the support and having flexibility; and a strain detection element formed on the membrane. The strain detection element includes a first magnetic layer formed on the membrane and having a magnetization, a second magnetic layer having a magnetization, and an intermediate layer formed between the first magnetic layer and the second magnetic layer. A direction of at least one of the magnetization of the first magnetic layer and the magnetization of the second magnetic layer changes relatively to that of the other depending on a strain of the membrane. Moreover, the membrane includes an oxide layer that includes aluminum.Type: GrantFiled: June 17, 2015Date of Patent: September 25, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Kazuaki Okamoto, Akio Hori, Hideaki Fukuzawa, Yoshihiko Fuji, Akiko Yuzawa
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Patent number: 10070230Abstract: According to one embodiment, a microphone package includes: a pressure sensing element including a film and a device; and a cover. The film generates strain in response to pressure. The device includes: a first electrode; a second electrode; and a first magnetic layer. The first magnetic layer is provided between the first electrode and the second electrode and has a first magnetization. The cover includes: an upper portion; and a side portion. The side portion is magnetic and provided depending on the first magnetization and the second magnetization.Type: GrantFiled: December 8, 2016Date of Patent: September 4, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Yoshihiro Higashi, Yoshihiko Fuji, Michiko Hara, Akiko Yuzawa, Shiori Kaji, Tomohiko Nagata, Akio Hori, Hideaki Fukuzawa
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Patent number: 10060818Abstract: A sensor includes a first film, a first sensor portion, and a first element portion. The first film is deformable. The first sensor portion is provided at the first film. The first sensor portion includes a first magnetic layer, a second magnetic layer provided between the first film and the first magnetic layer, and a first intermediate layer provided between the first magnetic layer and the second magnetic layer. The first element portion includes a first piezoelectric layer fixed to the first film.Type: GrantFiled: February 23, 2017Date of Patent: August 28, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Akiko Yuzawa, Yasushi Tomizawa, Yoshihiko Fuji, Michiko Hara
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Publication number: 20180231621Abstract: According to one embodiment, a sensor includes a first film, a first sensor portion, a driving portion, and a processor. The first sensor portion is provided at the first film. The first sensor portion includes a first magnetic layer, a second magnetic layer, and a first intermediate layer. The second magnetic layer is provided between the first film and the first magnetic layer. The first intermediate layer is provided between the first magnetic layer and the second magnetic layer. The driving portion causes the first film to deform at a first frequency. The processor outputs a third signal based on a first signal and a second signal. The first signal relates to the first frequency. The second signal is output from the first sensor portion.Type: ApplicationFiled: September 15, 2017Publication date: August 16, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Yoshihiro HIGASHI, Michiko HARA, Tomohiko NAGATA, Shiori KAJI, Yoshihiko FUJI, Akiko YUZAWA, Kenji OTSU, Kazuaki OKAMOTO, Shotaro BABA
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Publication number: 20180210041Abstract: According to one embodiment, a sensor includes a support body, a film portion, a first sensing element, and a structure body. The first sensing element is fixed to the film portion, and includes a first magnetic layer, a first opposing magnetic layer, and a first intermediate layer. The structure body includes a first region overlapping the support body, and a second region being continuous with the first region and overlapping the film portion. The structure body includes a first structure body layer, a first opposing structure body layer, and a first structure body intermediate layer. The first opposing structure body layer is provided between the first structure body layer and the support body and between the first structure body layer and the film portion. The first structure body intermediate layer is provided between the first structure body layer and the first opposing structure body layer.Type: ApplicationFiled: August 29, 2017Publication date: July 26, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Shotaro Baba, Yoshihiko Fuji, Kei Masunishi, Michiko Hara, Akiko Yuzawa, Shiori Kaji, Tomohiko Nagata, Yoshihiro Higashi, Kenji Otsu, Kazuaki Okamoto
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Publication number: 20180156683Abstract: According to one embodiment, a sensor includes a film portion and a first sensor portion. The film portion is deformable. The first sensor portion is provided at the film portion. The first sensor portion includes a first conductive layer, a second conductive layer, a first magnetic layer, a second magnetic layer, and a first intermediate layer. The second conductive layer is provided between the first conductive layer and the film portion. The first magnetic layer is provided between the first conductive layer and the second conductive layer. The second magnetic layer is provided between the first magnetic layer and the second conductive layer. The first intermediate layer is provided between the first magnetic layer and the second magnetic layer. A curvature of the first conductive layer is different from a curvature of at least a portion of the film portion.Type: ApplicationFiled: February 5, 2018Publication date: June 7, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Kenji OTSU, Michiko HARA, Yoshihiko FUJI, Kei MASUNISHI, Akiko YUZAWA, Tomohiko NAGATA, Shiori KAJI, Yoshihiro HIGASHI, Kazuaki OKAMOTO, Shotaro BABA
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Publication number: 20180116535Abstract: According to one embodiment, a strain sensing element is provided on a film unit configured to be deformed. The strain sensing element includes a functional layer, a first magnetic layer, a second magnetic layer, and a spacer layer. The functional layer includes at least one of an oxide and a nitride. The second magnetic layer is provided between the functional layer and the first magnetic layer. A magnetization of the second magnetic layer is variable in accordance with a deformation of the film unit. The spacer layer is provided between the first magnetic layer and the second magnetic layer. At least a part of the second magnetic layer is amorphous and includes boron.Type: ApplicationFiled: December 19, 2017Publication date: May 3, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Yoshihiko FUJI, Hideaki FUKUZAWA, Shiori KAJI, Akio HORI, Tomohiko NAGATA, Michiko HARA, Yoshihiro HIGASHI, Akiko YUZAWA
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Patent number: 9952112Abstract: According to an embodiment, a pressure sensor includes a support part, a flexible membrane part, and a magnetoresistive element. The flexible membrane part is supported by the support part, and includes a first region and a second region with rigidity lower than rigidity of the first region. The magnetoresistive element is provided on the membrane part, and includes a first magnetic layer, a second magnetic layer, and a spacer layer provided between the first magnetic layer and the second magnetic layer.Type: GrantFiled: May 26, 2015Date of Patent: April 24, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Kei Masunishi, Hideaki Fukuzawa, Yoshihiko Fuji, Akiko Yuzawa, Kazuaki Okamoto
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Publication number: 20180080842Abstract: According to one embodiment, a sensor includes a film portion and a first sensor portion. The film portion is deformable. The first sensor portion is provided at the film portion. The first sensor portion includes a first conductive layer, a second conductive layer, a first magnetic layer, a second magnetic layer, and a first intermediate layer. The second conductive layer is provided between the first conductive layer and the film portion. The first magnetic layer is provided between the first conductive layer and the second conductive layer. The second magnetic layer is provided between the first magnetic layer and the second conductive layer. The first intermediate layer is provided between the first magnetic layer and the second magnetic layer. A curvature of the first conductive layer is different from a curvature of at least a portion of the film portion.Type: ApplicationFiled: February 23, 2017Publication date: March 22, 2018Applicant: KABUSHIKI KAISHA TOSHIBAInventors: KENJI OTSU, MICHIKO HARA, YOSHIHIKO FUJI, KEI MASUNISHI, AKIKO YUZAWA, TOMOHIKO NAGATA, SHIORI KAJI, YOSHIHIRO HIGASHI, KAZUAKI AKAMOTO, SHOTARO BABA
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Publication number: 20180080953Abstract: 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: ApplicationFiled: February 28, 2017Publication date: March 22, 2018Applicant: 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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Patent number: 9921114Abstract: According to one embodiment, a pressure sensor includes a film part, and a sensing unit. A circumscribing rectangle circumscribing a configuration of a film surface of the film part has a first side, a second side, a third side connected to one end of the first side and one end of the second side, a fourth side connected to one other end of the first side and one other end of the second side, and a centroid of the circumscribing rectangle. The circumscribing rectangle includes a first region enclosed by the first side, line segments connecting the centroid to the one end of the first side, and to the one other end of the first side. The sensing unit includes sensing elements provided on a portion of the film surface overlapping the first region. Each sensing element includes a first, second magnetic layers, and a spacer layer.Type: GrantFiled: December 22, 2016Date of Patent: March 20, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Yoshihiko Fuji, Kei Masunishi, Hideaki Fukuzawa, Yoshihiro Higashi, Michiko Hara, Akio Hori, Tomohiko Nagata, Shiori Kaji, Akiko Yuzawa
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Publication number: 20180067005Abstract: According to one embodiment, a pressure sensor includes a film part, and a sensing unit. A circumscribing rectangle circumscribing a configuration of a film surface of the film part has a first side, a second side, a third side connected to one end of the first side and one end of the second side, a fourth side connected to one other end of the first side and one other end of the second side, and a centroid of the circumscribing rectangle. The circumscribing rectangle includes a first region enclosed by the first side, line segments connecting the centroid to the one end of the first side, and to the one other end of the first side. The sensing unit includes sensing elements provided on a portion of the film surface overlapping the first region. Each sensing element includes a first, second magnetic layers, and a spacer layer.Type: ApplicationFiled: November 8, 2017Publication date: March 8, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Yoshihiko Fuji, Kei Masunishi, Hideaki Fukuzawa, Yoshihiro Higashi, Michiko Hara, Akio Hori, Tomohiko Nagata, Shiori Kaji, Akiko Yuzawa
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Publication number: 20180058965Abstract: According to one embodiment, a sensor includes a first film, a first sensor portion, and a first element portion. The first film is deformable. The first sensor portion is provided at the first film. The first sensor portion includes a first magnetic layer, a second magnetic layer provided between the first film and the first magnetic layer, and a first intermediate layer provided between the first magnetic layer and the second magnetic layer. The first element portion includes a first piezoelectric layer fixed to the first film.Type: ApplicationFiled: February 23, 2017Publication date: March 1, 2018Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Akiko YUZAWA, Yasushi TOMIZAWA, Yoshihiko FUJI, Michiko HARA
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Publication number: 20180045752Abstract: According to one embodiment, an inertial sensor includes a base portion, a weight portion, a connection portion, and a first sensing element unit. The connection portion connects the weight portion and the base portion and is capable of being deformed in accordance with a change in relative position of the weight portion with respect to the position of the base portion. The first sensing element unit is provided on a first portion of the connection portion and includes a first magnetic layer, a second magnetic layer, and a nonmagnetic first intermediate layer. The nonmagnetic first intermediate layer is provided between the first magnetic layer and the second magnetic layer.Type: ApplicationFiled: October 4, 2017Publication date: February 15, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Hideaki Fukuzawa, Michiko Hara, Yoshihiko Fuji, Yoshihiro Higashi, Shiori Kaji, Akio Hori, Tomohiko Nagata, Akiko Yuzawa, Akira Kikitsu
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Patent number: 9872624Abstract: According to one embodiment, a strain sensing element is provided on a film unit configured to be deformed. The strain sensing element includes a functional layer, a first magnetic layer, a second magnetic layer, and a spacer layer. The functional layer includes at least one of an oxide and a nitride. The second magnetic layer is provided between the functional layer and the first magnetic layer. A magnetization of the second magnetic layer is variable in accordance with a deformation of the film unit. The spacer layer is provided between the first magnetic layer and the second magnetic layer. At least a part of the second magnetic layer is amorphous and includes boron.Type: GrantFiled: August 28, 2014Date of Patent: January 23, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Yoshihiko Fuji, Hideaki Fukuzawa, Shiori Kaji, Akio Hori, Tomohiko Nagata, Michiko Hara, Yoshihiro Higashi, Akiko Yuzawa
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Patent number: 9829398Abstract: According to an embodiment, a pressure sensor includes a substrate, a support part, a flexible membrane part, and a magnetoresistive element. The support part is adhered on the substrate by using a first adhesive material with a first Young's modulus and a second adhesive material with a second Young's modulus different from the first Young's modulus. The membrane part is supported by the support part. The magnetoresistive element is provided on the membrane part, and includes a first magnetic layer, a second magnetic layer, and a spacer layer provided between the first magnetic layer and the second magnetic layer.Type: GrantFiled: May 26, 2015Date of Patent: November 28, 2017Assignee: Kabushiki Kaisha ToshibaInventors: Kei Masunishi, Hideaki Fukuzawa, Yoshihiko Fuji, Akiko Yuzawa, Kazuaki Okamoto
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Patent number: 9810711Abstract: An inertial sensor includes a base portion, a weight portion, a connection portion, and a first sensing element unit. The connection portion connects the weight portion and the base portion and is capable of being deformed in accordance with a change in relative position of the weight portion with respect to the position of the base portion. The first sensing element unit is provided on a first portion of the connection portion and includes a first magnetic layer, a second magnetic layer, and a nonmagnetic first intermediate layer. The nonmagnetic first intermediate layer is provided between the first magnetic layer and the second magnetic layer.Type: GrantFiled: August 15, 2014Date of Patent: November 7, 2017Assignee: Kabushiki Kaisha ToshibaInventors: Hideaki Fukuzawa, Michiko Hara, Yoshihiko Fuji, Yoshihiro Higashi, Shiori Kaji, Akio Hori, Tomohiko Nagata, Akiko Yuzawa, Akira Kikitsu