Patents by Inventor Akiyo Yuguchi

Akiyo Yuguchi 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).

  • Patent number: 12379268
    Abstract: A strain gauge includes a flexible substrate and a resistor formed of material including at least one of chromium or nickel, the resistor being situated above the substrate. The strain gauge includes a functional layer formed of an insulating material that has a higher thermal conductivity than the resistor, the functional layer being situated between the substrate and the resistor. The resistor includes multiple resistive patterns that are juxtaposed. The resistor includes folded portions each of which connects end portions of resistive portions that are next to each other. A first metallic layer formed of a material that has a higher thermal conductivity than the resistor is laminated on the folded portions.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: August 5, 2025
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Aya Ono, Toshiaki Asakawa, Atsushi Kitamura, Akiyo Yuguchi, Shinya Toda, Yosuke Ogasa, Yuta Aizawa, Iku Ishihara
  • Publication number: 20250198737
    Abstract: A strain gauge includes a substrate made of a resin, and a resistor situated on one surface side of the substrate and formed of a film that includes Cr, CrN, and Cr2N. An elastic modulus of the substrate is greater than 9.8 GPa.
    Type: Application
    Filed: March 10, 2023
    Publication date: June 19, 2025
    Inventors: Aya ONO, Toshiaki ASAKAWA, Atsushi KITAMURA, Akiyo YUGUCHI, Shigeyuki ADACHI
  • Publication number: 20250102380
    Abstract: A strain gauge according to the present disclosure includes: a resin substrate; a resistor formed of a film containing Cr, CrN, and Cr2N on one side of the substrate; and an inorganic insulating layer formed on another side of the substrate, and, in this strain gauge, the inorganic insulating layer is formed at least at a position overlapping a region where the resistor is formed in plan view.
    Type: Application
    Filed: March 24, 2022
    Publication date: March 27, 2025
    Inventors: Aya ONO, Atsushi KITAMURA, Toshiaki ASAKAWA, Akiyo YUGUCHI
  • Publication number: 20240271920
    Abstract: The present strain gauge is a strain gauge installed on a Roberval-type strain generator, and includes a substrate having flexibility; and a resistor formed of a film that contains Cr, CrN, and Cr2N over the substrate, wherein a film thickness of the resistor is greater than or equal to 6 nm and less than or equal to 100 nm.
    Type: Application
    Filed: March 24, 2022
    Publication date: August 15, 2024
    Inventors: Aya ONO, Yosuke OGASA, Toshiaki ASAKAWA, Akiyo YUGUCHI, Atsushi KITAMURA
  • Publication number: 20230358623
    Abstract: A strain gauge includes a flexible substrate and a resistor formed of material including at least one of chromium or nickel, the resistor being situated above the substrate. The strain gauge includes a functional layer formed of an insulating material that has a higher thermal conductivity than the resistor, the functional layer being situated between the substrate and the resistor. The resistor includes multiple resistive patterns that are juxtaposed. The resistor includes folded portions each of which connects end portions of resistive portions that are next to each other. A first metallic layer formed of a material that has a higher thermal conductivity than the resistor is laminated on the folded portions.
    Type: Application
    Filed: March 19, 2021
    Publication date: November 9, 2023
    Inventors: Aya ONO, Toshiaki ASAKAWA, Atsushi KITAMURA, Akiyo YUGUCHI, Shinya TODA, Yosuke OGASA, Yuta AIZAWA, Iku ISHIHARA
  • Patent number: 11692806
    Abstract: A strain gauge includes a flexible resin substrate; a functional layer formed of a metal, an alloy, or a metal compound, directly on one surface of the substrate; a resistor formed of a film including Cr, CrN, and Cr2N, on one surface of the functional layer; and an insulating resin layer with which the resistor is coated.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: July 4, 2023
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Eiji Misaizu, Akiyo Yuguchi, Shigeyuki Adachi, Toshiaki Asakawa, Atsushi Kitamura
  • Publication number: 20230175831
    Abstract: A strain gauge includes a flexible substrate, at least one resistor formed on or above the substrate, and a pair of electrodes formed on or above the substrate, electrodes being electrically coupled to the resistor via lines, respectively. Each of the lines electrically connects an end of the resistor and a given electrode, the end being situated in a width direction of a grid. Each of the lines includes a first metallic layer and a second metallic layer that is formed of a material having a lower resistance than a material of the first metallic layer, the second metallic layer being situated on the first metallic layer.
    Type: Application
    Filed: April 1, 2021
    Publication date: June 8, 2023
    Inventors: Atsushi KITAMURA, Toshiaki ASAKAWA, Yosuke OGASA, Aya ONO, Akiyo YUGUCHI
  • Publication number: 20230147031
    Abstract: A strain gauge includes a flexible resin substrate and a resistor formed of a film that includes Cr, CrN, and Cr2N, the resistor being situated on or above the substrate. A film thickness of the resistor is greater than or equal to 100 nm and less than or equal to 700 nm.
    Type: Application
    Filed: March 26, 2021
    Publication date: May 11, 2023
    Inventors: Atsushi KITAMURA, Toshiaki ASAKAWA, Aya ONO, Akiyo YUGUCHI
  • Patent number: 11543308
    Abstract: A strain gauge includes a flexible substrate; a resistor formed of material including at least one from among chromium and nickel, on or above the substrate; and electrodes electrically coupled to the resistor. Each electrode includes a terminal section extending from a corresponding end portion from among end portions of the resistor; a first metallic layer formed of copper, a copper alloy, nickel, or a nickel alloy, on or above the terminal section; and a second metallic layer formed of material having better solder wettability than the first metallic layer, on or above the first metallic layer.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: January 3, 2023
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Akiyo Yuguchi, Aya Ono, Eiji Misaizu
  • Patent number: 11543309
    Abstract: A strain gauge includes a flexible substrate; a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate; a resistor formed of a Cr composite film, on one surface of the functional layer; and an insulating resin layer with which the resistor is coated.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: January 3, 2023
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Eiji Misaizu, Akiyo Yuguchi, Yosuke Ogasa
  • Patent number: 11448560
    Abstract: A strain gauge includes a flexible substrate, and a plurality of resistors each formed of a Cr composite film, on or above the substrate. The substrate is attached to a flexure element, the plurality of resistors including two resistors disposed at locations at which the two resistors are opposite to each other, such that the flexure element is interposed between the two resistors.
    Type: Grant
    Filed: December 25, 2018
    Date of Patent: September 20, 2022
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Yuta Aizawa, Atsushi Kitamura, Eiji Misaizu, Akiyo Yuguchi
  • Patent number: 11326966
    Abstract: A strain gauge includes a flexible substrate, and a functional layer formed of a metal, an alloy, or a metal compound, directly on one surface of the substrate. The strain gauge includes a resistor formed of a film including Cr, CrN, and Cr2N, on one surface of the functional layer. The substrate includes a filler. Surface unevenness on one surface of the substrate is 15 nm or less, and the resistor has a film thickness of 0.05 ?m or more.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: May 10, 2022
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Toshiaki Asakawa, Akiyo Yuguchi, Yuta Aizawa, Syota Taneda
  • Patent number: 11326967
    Abstract: A strain gauge includes a strain detecting unit and a temperature detecting unit that are formed on or above a flexible substrate. The strain detecting unit includes a resistor formed as a film containing Cr, CrN, and Cr2N, on one surface of a functional layer. A first metallic layer formed of a material of which a gauge factor is less than that of the resistor is laminated on a folded portion, and a resistance value of the first metallic layer on the folded portion is less than a resistance value of the folded portion. The temperature detecting unit is a thermocouple including a second metallic layer formed of a same material as the resistor, on or above the substrate; and a third metallic layer formed of a same material as the first metallic layer, on the second metallic layer.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: May 10, 2022
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Shinya Toda, Atsushi Kitamura, Akiyo Yuguchi
  • Publication number: 20210033476
    Abstract: A strain gauge includes a strain detecting unit and a temperature detecting unit that are formed on or above a flexible substrate. The strain detecting unit includes a resistor formed of material including at least one from among chromium and nickel, on or above the substrate. The resistor includes a plurality of resistive patterns that are juxtaposed; and a folded portion connected to end portions of given resistive patterns that are next to each other. A first metallic layer formed of a material of which a gauge factor is less than that of the resistor is laminated on the folded portion, and a resistance value of the first metallic layer on the folded portion is less than a resistance value of the folded portion. The temperature detecting unit is a thermocouple including a second metallic layer formed of a same material as the resistor, on or above the substrate; and a third metallic layer formed of a same material as the first metallic layer, on the second metallic layer.
    Type: Application
    Filed: January 30, 2019
    Publication date: February 4, 2021
    Inventors: Shinya TODA, Atsushi KITAMURA, Akiyo YUGUCHI
  • Publication number: 20210018382
    Abstract: A strain gauge includes a flexible substrate; a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate; a resistor formed of a Cr composite film, on one surface of the functional layer; and an insulating resin layer with which the resistor is coated.
    Type: Application
    Filed: December 19, 2018
    Publication date: January 21, 2021
    Inventors: Eiji MISAIZU, Akiyo YUGUCHI, Yosuke OGASA
  • Publication number: 20200393311
    Abstract: A strain gauge includes a flexible substrate, and a plurality of resistors each formed of a Cr composite film, on or above the substrate. The substrate is attached to a flexure element, the plurality of resistors including two resistors disposed at locations at which the two resistors are opposite to each other, such that the flexure element is interposed between the two resistors.
    Type: Application
    Filed: December 25, 2018
    Publication date: December 17, 2020
    Inventors: Yuta AIZAWA, Atsushi KITAMURA, Eiji MISAIZU, Akiyo YUGUCHI
  • Publication number: 20200333199
    Abstract: A strain gauge includes a flexible substrate, and a resistor formed of material including at least one from among chromium and nickel, on or above the substrate. Surface unevenness on one surface of the substrate is 15 nm or less, and the resistor has a film thickness of 0.05 ?m or more.
    Type: Application
    Filed: September 27, 2018
    Publication date: October 22, 2020
    Inventors: Toshiaki ASAKAWA, Akiyo YUGUCHI, Yuta AIZAWA, Syota TANEDA
  • Publication number: 20200292294
    Abstract: A strain gauge includes a flexible substrate; a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate; a resistor formed of material including at least one from among chromium and nickel, on one surface of the functional layer; and an insulating resin layer with which the resistor is coated.
    Type: Application
    Filed: September 26, 2018
    Publication date: September 17, 2020
    Inventors: Eiji MISAIZU, Akiyo YUGUCHI, Shigeyuki ADACHI, Toshiaki ASAKAWA, Atsushi KITAMURA
  • Patent number: D953903
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: June 7, 2022
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Eiji Misaizu, Akiyo Yuguchi, Shigeyuki Adachi, Toshiaki Asakawa, Atsushi Kitamura
  • Patent number: D953904
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: June 7, 2022
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Eiji Misaizu, Akiyo Yuguchi, Shigeyuki Adachi, Toshiaki Asakawa, Atsushi Kitamura