Patents by Inventor Shinji Hara

Shinji Hara 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: 20240080000
    Abstract: The measuring instrument includes a sensor unit that measures a predetermined physical quantity; an amplifier circuit that amplifies a signal output from the sensor unit; and a linear power supply that supplies power to the amplifier circuit, in which the amplifier circuit includes a first amplifier having a first transistor using a SiC semiconductor, the linear power supply includes a second amplifier having a second transistor using the SiC semiconductor, and noise characteristics of the first amplifier are superior to noise characteristics of the second amplifier.
    Type: Application
    Filed: March 9, 2023
    Publication date: March 7, 2024
    Inventors: Masahiro MASUNAGA, Ryo KUWANA, Shinji NOMOTO, Isao HARA
  • Patent number: 11898913
    Abstract: An electromagnetic wave sensor 1 has electromagnetic wave absorbers disposed side by side in first and second directions, temperature detection portions held by the respective electromagnetic wave absorbers and sets of two arm portions connected to each electromagnetic wave absorber at two connection portions. In a plan view, the arm portions have two first extending portions extending from the connection portions in directions of which components in the second direction are opposite to each other, and two second extending portions extending from the first extending portions in directions of which components in the first direction are opposite to each other. Four sides of a rectangle circumscribing each of the electromagnetic wave absorbers with a smallest area are inclined with respect to the first direction in directions in which each electromagnetic wave absorber is away from the second extending portions with the connection portions as fulcrums.
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: February 13, 2024
    Assignee: TDK CORPORATION
    Inventors: Shinji Hara, Naoki Ohta, Kazuya Maekawa, Susumu Aoki, Maiko Shirokawa
  • Publication number: 20240035893
    Abstract: An element array circuit includes one or more first wiring lines, second wiring lines, impedance elements, one or more operational amplifiers, one or more conversion elements, and one or more switchers. The second wiring lines each extend in a direction different from a direction of extension of the first wiring lines. The impedance elements are each coupled to one each of the first and second wiring lines. The operational amplifiers each include a positive input terminal, a negative input terminal couplable to one of the second wiring lines, and an output terminal. The conversion elements are each coupled to the negative input terminal and the output terminal, and each convert a current flowing through the second wiring line coupled to the negative input terminal into a voltage. The switchers are each coupled to one of the conversion elements and come into a conducting state or a nonconducting state.
    Type: Application
    Filed: June 29, 2023
    Publication date: February 1, 2024
    Applicant: TDK CORPORATION
    Inventors: Tadao SENRIUCHI, Naoki OHTA, Kazuya MAEKAWA, Susumu AOKI, Maiko KOKUBO, Yusuke KIMOTO, Shinji HARA
  • Patent number: 11878731
    Abstract: A switch device includes a switch body, which is attached to and rotated integrally with an irregularly-shaped steering unit, and a lever unit, which is held pivotally about a switch body. The lever unit includes a lever shaft including a base, which extends in a direction intersecting the steering shaft, and an arm, which is formed integrally with the base and extends in a direction that differs from the direction in which the base extends. The lever unit also includes a lever head at the distal end of the lever shaft, and the lever head extends from the lever shaft in the width direction, which intersects an axial direction.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: January 23, 2024
    Assignees: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro Kato, Nobuyuki Ishigure, Yuki Sato, Tadashi Usuya, Takayuki Aoki, Shinji Matsubara, Toshihiko Kosugi, Ryusuke Ohta, Shinji Hara
  • Patent number: 11769613
    Abstract: A thermistor element includes: a thermistor film; a first electrode provided in contact with one surface of the thermistor film; and a pair of second electrodes provided in contact with an other surface of the thermistor film, wherein the thermistor film is provided to cover a periphery of the first electrode.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: September 26, 2023
    Assignee: TDK CORPORATION
    Inventors: Susumu Aoki, Shinji Hara, Naoki Ohta, Maiko Shirokawa, Eiji Komura
  • Publication number: 20230296443
    Abstract: Electromagnetic wave sensor (infrared sensor) 1 has: a first substrate; a second substrate that faces the first substrate and that allows infrared rays to pass through at least a part of the second substrate; first circumferential wall 4a that is positioned between the first substrate and the second substrate and that forms first space 8a together with the first and second substrates; bolometer structures 7 that are provided in first space 8a; first measuring element 9a that is provided in first space 8a and that is used for taking a first measurement relating to pressure P1 in first space 8a; and a monitoring portion. The monitoring portion acquires the first measurement that is taken using first measuring element 9a and outputs a predetermined signal indicating an abnormality based on at least the first measurement.
    Type: Application
    Filed: March 8, 2023
    Publication date: September 21, 2023
    Inventors: Naoki OHTA, Shinji HARA, Susumu AOKI, Maiko KOKUBO, Kazuya MAEKAWA, Tadao SENRIUCHI
  • Patent number: 11676744
    Abstract: A thermistor element includes: a thermistor film; a pair of first electrodes in contact with one surface of the thermistor film; an insulation film opposite to a contact side of the pair of first electrodes, the contact side on which the pair of first electrodes is in contact with the thermistor film; and at least one opening portion located in a region which overlaps each of the first electrodes when viewed in a plan view and passing through the insulation film. Each first electrode has a first portion located where each of the first electrodes and the opening portion overlap when viewed in a plan view and a second portion outside of where each of the first electrodes and the opening portion overlap when viewed in a plan view and is over the first portion and second portion to be in contact with the one surface of the thermistor film.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: June 13, 2023
    Assignee: TDK CORPORATION
    Inventors: Susumu Aoki, Shinji Hara, Naoki Ohta, Maiko Shirokawa
  • Patent number: 11673597
    Abstract: A switch device includes a switch body, which is arranged at the back side of a steering unit, and a lever unit, which is attached to the switch body to allow for switching by a pivotal operation about a first axis, which extends in the axial direction of a steering shaft. The lever unit includes a lever shaft, which extends in a direction intersecting the first axis of the pivotal operation, a lever head, which is arranged at the distal end of the lever shaft and has a larger dimension than the diameter of the lever shaft, and a push operation unit, which allows for switching by a push operation. The push operation unit is arranged so that the operation direction of the push operation is directed toward the first axis.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: June 13, 2023
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Nobuyuki Ishigure, Yuki Sato, Tadashi Usuya, Akio Nishiyama, Masahiro Kato, Takayuki Aoki, Shinji Matsubara, Toshihiko Kosugi, Ryusuke Ohta, Shinji Hara
  • Patent number: 11668607
    Abstract: A thermistor element includes a thermistor film, a first electrode provided in contact with one surface of the thermistor film, and a pair of second electrodes provided in contact with the other surface of the thermistor film, wherein the thermistor film includes an oxide having a spinel crystal structure and having a [111] preferred orientation in a film thickness direction.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: June 6, 2023
    Assignee: TDK CORPORATION
    Inventors: Maiko Shirokawa, Shinji Hara, Naoki Ohta, Susumu Aoki, Eiji Komura
  • Publication number: 20230064502
    Abstract: The present invention includes an electromagnetic wave detector, and a pair of arm portions and that are positioned on both sides with the electromagnetic wave detector interposed therebetween. The electromagnetic wave detector includes a temperature detection element, and electromagnetic wave absorbers which cover at least a part of the temperature detection element. Each of the arm portions includes a conductor layer which is in a line shape and electrically connected to the temperature detection element, and dielectric layers which are disposed on both sides of the conductor layer. In a short direction of the dielectric layers in a plan view, the conductor layer has a shape protruding outward beyond both end portions of the dielectric layers in the short direction.
    Type: Application
    Filed: August 18, 2022
    Publication date: March 2, 2023
    Applicant: TDK CORPORATION
    Inventors: Susumu AOKI, Shinji HARA, Naoki OHTA, Kazuya MAEKAWA, Maiko SHIROKAWA
  • Publication number: 20230065804
    Abstract: A structure body includes: an electromagnetic wave detector; and a pair of arm portions that are positioned on both sides with the electromagnetic wave detector interposed therebetween. The electromagnetic wave detector includes a temperature detection element and an electromagnetic wave absorber which covers at least a part of the temperature detection element. Each of the arm portions includes a wiring layer which is in a line shape and electrically connected to the temperature detection element, and protective layers, a part of each of which is disposed on corresponding one of both sides of the wiring layer. The protective layers are made of a material having a lower thermal conductivity than the wiring layer. In a short direction of the protective layers in a plan view, the wiring layer is positioned on an inward side of both end portions of the protective layers in the short direction.
    Type: Application
    Filed: August 18, 2022
    Publication date: March 2, 2023
    Applicant: TDK CORPORATION
    Inventors: Susumu AOKI, Shinji HARA, Naoki OHTA, Kazuya MAEKAWA, Maiko SHIROKAWA
  • Publication number: 20230062983
    Abstract: The present disclosure includes an electromagnetic wave detector, and a pair of arms that are positioned on both sides with the electromagnetic wave detector interposed therebetween. The electromagnetic wave detector includes a temperature detection element, and electromagnetic wave absorbers which cover at least a part of the temperature detection element. The structure body has a structure in which the electromagnetic wave detector is hung or suspended with respect to a substrate facing the electromagnetic wave detector via the pair of arms. Area of a surface of the pair of arms on a side facing the substrate are larger than area of surface thereof on a side opposite to the side facing the substrate.
    Type: Application
    Filed: August 18, 2022
    Publication date: March 2, 2023
    Applicant: TDK CORPORATION
    Inventors: Maiko SHIROKAWA, Shinji HARA, Naoki OHTA, Kazuya MAEKAWA, Susumu AOKI
  • Publication number: 20230055177
    Abstract: An electromagnetic wave sensor has electromagnetic wave absorbers disposed side by side in first and second directions, temperature detection portions held by the respective electromagnetic wave absorbers and sets of two arm portions connected to each of the electromagnetic wave absorbers at two connection portions. In a plan view, the arm portions have two first extending portions extending from the connection portions in directions of which components in the second direction are opposite to each other, and two second extending portions extending from the first extending portions in directions of which components in the first direction are opposite to each other. Four sides of a rectangle circumscribing each of the electromagnetic wave absorbers with a smallest area are inclined with respect to the first direction in directions in which each of the electromagnetic wave absorbers approaches the second extending portions with the connection portions as fulcrums.
    Type: Application
    Filed: August 16, 2022
    Publication date: February 23, 2023
    Applicant: TDK CORPORATION
    Inventors: Shinji HARA, Naoki OHTA, Kazuya MAEKAWA, Susumu AOKI, Maiko SHIROKAWA
  • Publication number: 20230054724
    Abstract: An electromagnetic wave sensor 1 has electromagnetic wave absorbers disposed side by side in first and second directions, temperature detection portions held by the respective electromagnetic wave absorbers and sets of two arm portions connected to each electromagnetic wave absorber at two connection portions. In a plan view, the arm portions have two first extending portions extending from the connection portions in directions of which components in the second direction are opposite to each other, and two second extending portions extending from the first extending portions in directions of which components in the first direction are opposite to each other. Four sides of a rectangle circumscribing each of the electromagnetic wave absorbers with a smallest area are inclined with respect to the first direction in directions in which each electromagnetic wave absorber is away from the second extending portions with the connection portions as fulcrums.
    Type: Application
    Filed: August 17, 2022
    Publication date: February 23, 2023
    Applicant: TDK CORPORATION
    Inventors: Shinji HARA, Naoki OHTA, Kazuya MAEKAWA, Susumu AOKI, Maiko SHIROKAWA
  • Patent number: 11573122
    Abstract: A resistive element array circuit includes word lines, bit lines, resistive elements, a selector, a differential amplifier, and a ground terminal. The word lines are coupled to a power supply. The resistive elements are each disposed at an intersection of corresponding one of the word lines and corresponding one of the bit lines. The selector is configured to select one word line and one bit line. The differential amplifier includes a positive input terminal configured to be coupled to the selected one of the bit lines which is selected by the selector, a negative input terminal configured to be coupled to non-selected one of the bit lines which is not selected by the selector and to non-selected one of the word lines which is not selected by the selector, an output terminal being coupled to the negative input terminal. The ground terminal is coupled to the positive input terminal.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: February 7, 2023
    Assignee: TDK CORPORATION
    Inventors: Naoki Ohta, Yuji Kakinuma, Shinji Hara, Susumu Aoki, Keita Kawamori, Eiji Komura
  • Publication number: 20220396199
    Abstract: A lever operation device includes an operation lever which rotates integrally with a steering wheel of a vehicle and receives operations at least in upward and downward directions and around which a predetermined region is set so as to prevent the operation lever from contacting with a leg of a user seated in a driver's seat when the steering wheel is rotated to a maximum steering angle, and an operation portion that is arranged on the operation lever so as not to be located out of the region and includes plural operating positions each assigned an executable function.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 15, 2022
    Inventors: Yuki SATO, Nobuyuki ISHIGURE, Tadashi USUYA, Akio NISHIYAMA, Masahiro KATO, Shinji HARA, Takayuki AOKI, Ryusuke OHTA, Toshihiko KOSUGI, Shinji MATSUBARA
  • Patent number: 11480477
    Abstract: A heat utilizing device is provided in which the thermal resistance of the wiring layer is increased while an increase in electric resistance of the wiring layer is limited. Heat utilizing device has thermistor whose electric resistance changes depending on temperature; and wiring layer that is connected to thermistor. A mean free path of phonons in wiring layer is smaller than a mean free path of phonons in an infinite medium that consists of a material of wiring layer.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: October 25, 2022
    Assignee: TDK Corporation
    Inventors: Shinji Hara, Naoki Ohta, Susumu Aoki, Eiji Komura, Akimasa Kaizu
  • Publication number: 20220262548
    Abstract: A thermistor element includes: a thermistor film; a pair of first electrodes in contact with one surface of the thermistor film; an insulation film opposite to a contact side of the pair of first electrodes, the contact side on which the pair of first electrodes is in contact with the thermistor film; and at least one opening portion located in a region which overlaps each of the first electrodes when viewed in a plan view and passing through the insulation film. Each first electrode has a first portion located where each of the first electrodes and the opening portion overlap when viewed in a plan view and a second portion outside of where each of the first electrodes and the opening portion overlap when viewed in a plan view and is over the first portion and second portion to be in contact with the one surface of the thermistor film.
    Type: Application
    Filed: February 11, 2022
    Publication date: August 18, 2022
    Applicant: TDK CORPORATION
    Inventors: Susumu AOKI, Shinji HARA, Naoki OHTA, Maiko SHIROKAWA
  • Publication number: 20220181050
    Abstract: A thermistor element includes: a thermistor film; a first electrode provided in contact with one surface of the thermistor film; and a pair of second electrodes provided in contact with an other surface of the thermistor film, wherein the thermistor film is provided to cover a periphery of the first electrode.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 9, 2022
    Applicant: TDK CORPORATION
    Inventors: Susumu AOKI, Shinji HARA, Naoki OHTA, Maiko SHIROKAWA, Eiji KOMURA
  • Publication number: 20220178759
    Abstract: A thermistor element includes a thermistor film, a first electrode provided in contact with one surface of the thermistor film, and a pair of second electrodes provided in contact with the other surface of the thermistor film, wherein the thermistor film includes an oxide having a spinel crystal structure and having a [111] preferred orientation in a film thickness direction.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 9, 2022
    Applicant: TDK CORPORATION
    Inventors: Maiko SHIROKAWA, Shinji HARA, Naoki OHTA, Susumu AOKI, Eiji KOMURA