Patents by Inventor Akio Hori

Akio Hori 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).

  • Publication number: 20240128880
    Abstract: A power converter includes a capacitor and a substrate on which a plurality of switching elements for power conversion are mounted. The power converter includes a cooler for cooling the plurality of switching elements and a housing that accommodates the capacitor, the substrate, and the cooler. The power converter includes a power connector exposed from the housing and an output connector exposed from the housing. The power converter includes a plurality of lines that include a plurality of power lines each electrically connected to the capacitor, given switching elements, and the power connector. The plurality of lines include a plurality of output lines each electrically connected to given switching elements and the output connector. At least one among the plurality of lines is a line that includes a conductive pattern formed on the substrate.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Inventors: Yuji SUZUKI, Motohito HORI, Akio TOBA, Ikuya SATO, Yasuhito TANAKA, Masamichi IWASAKI, Masaaki AJIMA, Nobuaki OHGURI
  • Patent number: 11949338
    Abstract: A power converter includes a positive busbar electrically connected to a positive terminal and the first capacitor electrode, and includes a negative busbar electrically connected to a negative terminal and the second capacitor electrode. The power converter includes output busbars each electrically connected to a given output terminal among multiple output terminals, a given high-side switching element among a plurality of high-side switching elements, and a given low-side switching element among a plurality of low-side switching elements. The power converter includes a cooler that cools the high-side switching elements and the low-side switching elements. The power converter includes a housing that accommodates a supply tube and a discharge tube. The positive terminal, the negative terminal, the output terminals, the inlet port, and the outlet port are exposed on the housing. The inlet port, the outlet port, the supply tube, and the discharge tube are separate members from the housing.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: April 2, 2024
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Yuji Suzuki, Motohito Hori, Akio Toba, Ikuya Sato, Yasuhito Tanaka, Masamichi Iwasaki, Masaaki Ajima, Nobuaki Ohguri
  • Patent number: 10746526
    Abstract: According to one embodiment, a strain sensing element includes a film unit being deformable, a first and a second magnetic unit, and a strain sensor. The first magnetic unit is provided on the film unit and is arranged with the film unit in a first direction. The first magnetic unit includes a first magnetic body layer and a first intermediate magnetic layer. The second magnetic unit is provided on the film unit and is arranged with the first magnetic unit in a second direction crossing the first direction. The second magnetic unit includes a second magnetic body layer and a second intermediate magnetic layer. The strain sensor is provided on the film unit between the first magnetic unit and the second magnetic unit. An electrical characteristic of the strain sensor changes according to a deformation of the film unit.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: August 18, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shiori Kaji, Hideaki Fukuzawa, Tomohiko Nagata, Akio Hori, Yoshihiko Fuji
  • Patent number: 10481027
    Abstract: 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: Grant
    Filed: September 28, 2018
    Date of Patent: November 19, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiko Fuji, Michiko Hara, Kei Masunishi, Yoshihiro Higashi, Shiori Kaji, Akiko Yuzawa, Akio Hori, Tomohiko Nagata, Kazuaki Okamoto, Kenji Otsu, Shotaro Baba
  • Patent number: 10477323
    Abstract: 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: Grant
    Filed: August 3, 2018
    Date of Patent: November 12, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiro Higashi, Yoshihiko Fuji, Michiko Hara, Akiko Yuzawa, Shiori Kaji, Tomohiko Nagata, Akio Hori, Hideaki Fukuzawa
  • Patent number: 10413198
    Abstract: 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: Grant
    Filed: December 19, 2017
    Date of Patent: September 17, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiko Fuji, Hideaki Fukuzawa, Shiori Kaji, Akio Hori, Tomohiko Nagata, Michiko Hara, Yoshihiro Higashi, Akiko Yuzawa
  • Patent number: 10254305
    Abstract: 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: Grant
    Filed: October 4, 2017
    Date of Patent: April 9, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hideaki Fukuzawa, Michiko Hara, Yoshihiko Fuji, Yoshihiro Higashi, Shiori Kaji, Akio Hori, Tomohiko Nagata, Akiko Yuzawa, Akira Kikitsu
  • Patent number: 10246324
    Abstract: According to one embodiment, a strain and pressure sensing device includes a semiconductor circuit unit and a sensing unit. The semiconductor circuit unit includes a semiconductor substrate and a transistor. The transistor is provided on a semiconductor substrate. The sensing unit is provided on the semiconductor circuit unit, and has space and non-space portions. The non-space portion is juxtaposed with the space portion. The sensing unit further includes a movable beam, a strain sensing element unit, and first and second buried interconnects. The movable beam has fixed and movable portions, and includes first and second interconnect layers. The fixed portion is fixed to the non-space portion. The movable portion is separated from the transistor and extends from the fixed portion into the space portion. The strain sensing element unit is fixed to the movable portion. The first and second buried interconnects are provided in the non-space portion.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: April 2, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hideaki Fukuzawa, Tatsuya Ohguro, Akihiro Kojima, Yoshiaki Sugizaki, Mariko Takayanagi, Yoshihiko Fuji, Akio Hori, Michiko Hara
  • Patent number: 10234343
    Abstract: 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: Grant
    Filed: November 8, 2017
    Date of Patent: March 19, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiko Fuji, Kei Masunishi, Hideaki Fukuzawa, Yoshihiro Higashi, Michiko Hara, Akio Hori, Tomohiko Nagata, Shiori Kaji, Akiko Yuzawa
  • Publication number: 20190041285
    Abstract: 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: Application
    Filed: September 28, 2018
    Publication date: February 7, 2019
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiko FUJI, Michiko HARA, Kei MASUNISHI, Yoshihiro HIGASHI, Shiori KAJI, Akiko YUZAWA, Akio HORI, Tomohiko NAGATA, Kazuaki OKAMOTO, Kenji OTSU, Shotaro BABA
  • Publication number: 20180356308
    Abstract: 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: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kazuaki OKAMOTO, Akio Hori, Hideaki Fukuzawa, Yoshihiko Fuji, Akiko Yuzawa
  • Publication number: 20180352342
    Abstract: 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: Application
    Filed: August 3, 2018
    Publication date: December 6, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiro Higashi, Yoshihiko Fuji, Michiko Hara, Akiko Yuzawa, Shiori Kaji, Tomohiko Nagata, Akio Hori, Hideaki Fukuzawa
  • Patent number: 10145751
    Abstract: 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: Grant
    Filed: August 26, 2016
    Date of Patent: December 4, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiko Fuji, Michiko Hara, Kei Masunishi, Yoshihiro Higashi, Shiori Kaji, Akiko Yuzawa, Akio Hori, Tomohiko Nagata, Kazuaki Okamoto, Kenji Otsu, Shotaro Baba
  • Publication number: 20180321102
    Abstract: A strain detection element is provided above a deformable membrane. Moreover, this strain detection element includes an electrode and a stacked body, the stacked body including: a first magnetic layer whose magnetization direction is variable according to a deformation of the membrane; a second magnetic layer provided facing the first magnetic layer; and an intermediate layer provided between these first magnetic layer and second magnetic layer, and at least part of the first magnetic layer is amorphous, and the electrode includes a metal layer configured from a Cu—Ag alloy.
    Type: Application
    Filed: July 18, 2018
    Publication date: November 8, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiko FUJI, Hideaki Fukuzawa, Akio Hori, Shiori Kaji
  • Patent number: 10082435
    Abstract: 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: Grant
    Filed: June 17, 2015
    Date of Patent: September 25, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuaki Okamoto, Akio Hori, Hideaki Fukuzawa, Yoshihiko Fuji, Akiko Yuzawa
  • Patent number: 10070230
    Abstract: 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: Grant
    Filed: December 8, 2016
    Date of Patent: September 4, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiro Higashi, Yoshihiko Fuji, Michiko Hara, Akiko Yuzawa, Shiori Kaji, Tomohiko Nagata, Akio Hori, Hideaki Fukuzawa
  • Patent number: 10048150
    Abstract: A strain detection element is provided above a deformable membrane. Moreover, this strain detection element includes an electrode and a stacked body, the stacked body including: a first magnetic layer whose magnetization direction is variable according to a deformation of the membrane; a second magnetic layer provided facing the first magnetic layer; and an intermediate layer provided between these first magnetic layer and second magnetic layer, and at least part of the first magnetic layer is amorphous, and the electrode includes a metal layer configured from a Cu—Ag alloy.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: August 14, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiko Fuji, Hideaki Fukuzawa, Akio Hori, Shiori Kaji
  • Publication number: 20180202793
    Abstract: According to one embodiment, a strain sensing element includes a film unit being deformable, a first and a second magnetic unit, and a strain sensor. The first magnetic unit is provided on the film unit and is arranged with the film unit in a first direction. The first magnetic unit includes a first magnetic body layer and a first intermediate magnetic layer. The second magnetic unit is provided on the film unit and is arranged with the first magnetic unit in a second direction crossing the first direction. The second magnetic unit includes a second magnetic body layer and a second intermediate magnetic layer. The strain sensor is provided on the film unit between the first magnetic unit and the second magnetic unit. An electrical characteristic of the strain sensor changes according to a deformation of the film unit.
    Type: Application
    Filed: March 14, 2018
    Publication date: July 19, 2018
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shiori KAJI, Hideaki FUKUZAWA, Tomohiko NAGATA, Akio HORI, Yoshihiko FUJI
  • Publication number: 20180116535
    Abstract: 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: Application
    Filed: December 19, 2017
    Publication date: May 3, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiko FUJI, Hideaki FUKUZAWA, Shiori KAJI, Akio HORI, Tomohiko NAGATA, Michiko HARA, Yoshihiro HIGASHI, Akiko YUZAWA
  • Patent number: 9952030
    Abstract: According to one embodiment, a strain sensing element includes a film unit being deformable, a first and a second magnetic unit, and a strain sensor. The first magnetic unit is provided on the film unit and is arranged with the film unit in a first direction. The first magnetic unit includes a first magnetic body layer and a first intermediate magnetic layer. The second magnetic unit is provided on the film unit and is arranged with the first magnetic unit in a second direction crossing the first direction. The second magnetic unit includes a second magnetic body layer and a second intermediate magnetic layer. The strain sensor is provided on the film unit between the first magnetic unit and the second magnetic unit. An electrical characteristic of the strain sensor changes according to a deformation of the film unit.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: April 24, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shiori Kaji, Hideaki Fukuzawa, Tomohiko Nagata, Akio Hori, Yoshihiko Fuji