Patents by Inventor Yuma KATSUTA

Yuma KATSUTA 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: 11895919
    Abstract: Provided are: a method for producing a chip of a thermoelectric conversion material that enables annealing treatment of a thermoelectric conversion material in the form not having a junction with an electrode, and enables annealing of a thermoelectric semiconductor material at an optimum annealing temperature; and a method for producing a thermoelectric conversion module using the chip (13).
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: February 6, 2024
    Assignee: LINTEC CORPORATION
    Inventors: Masaya Todaka, Kunihisa Kato, Tsuyoshi Muto, Yuma Katsuta
  • Publication number: 20240023205
    Abstract: A wiring sheet includes a pair of electrodes and a pseudo sheet structure including a plurality of conductive linear bodies arranged at intervals, in which the pseudo sheet structure is electrically connected to the electrodes, and the conductive linear bodies and the electrodes are fixed with contact fixing members.
    Type: Application
    Filed: March 31, 2021
    Publication date: January 18, 2024
    Inventors: Takashi MORIOKA, Yuma KATSUTA, Masaharu ITO
  • Publication number: 20230139564
    Abstract: A pseudo sheet structure is usable for a sensor configured to emit an electromagnetic wave in a band ranging from 20 GHz to 100 GHz. The pseudo sheet structure includes a plurality of conductive linear bodies arranged at an interval L satisfying a formula (1) below, 0.034×?S?L?20 mm (1). In the formula (1), L is the interval between the plurality of conductive linear bodies, ?S is a wavelength of the electromagnetic wave emitted by the sensor, and a unit for each of L and ?S is mm.
    Type: Application
    Filed: March 3, 2021
    Publication date: May 4, 2023
    Inventors: Masaharu ITO, Takashi MORIOKA, Taiga MATSUSHITA, Yuma KATSUTA
  • Patent number: 11581469
    Abstract: A method for producing a chip of a thermoelectric conversion material formed of a thermoelectric semiconductor composition, including a step of forming a sacrificial layer on a substrate, (B) a step of forming a thermoelectric conversion material layer of a thermoelectric semiconductor composition on the sacrificial layer, (C) a step of annealing the thermoelectric conversion material layer, (D) a step of transferring the annealed thermoelectric conversion material layer to a pressure-sensitive adhesive layer, (E) a step of individualizing the thermoelectric conversion material layer into individual chips of a thermoelectric conversion material, and (F) a step of peeling the individualized chips of a thermoelectric conversion material; and a method for producing a thermoelectric conversion module using the chip produced according to the production method.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: February 14, 2023
    Assignee: LINTEC CORPORATION
    Inventors: Kunihisa Kato, Tsuyoshi Muto, Masaya Todaka, Yuma Katsuta
  • Patent number: 11581470
    Abstract: The present invention is to provide a method of producing a thermoelectric conversion device having a thermoelectric element layer with excellent shape controllability and capable of being highly integrated. The present invention relates to a method of producing a thermoelectric conversion device including a thermoelectric element layer formed of a thermoelectric semiconductor composition containing a thermoelectric semiconductor material on a substrate, the method including a step of providing a pattern frame having openings on a substrate; a step of filling the thermoelectric semiconductor composition in the openings; a step of drying the thermoelectric semiconductor composition filled in the openings, to form a thermoelectric element layer; and a step of releasing the pattern frame from the substrate.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: February 14, 2023
    Assignee: LINTEC CORPORATION
    Inventors: Wataru Morita, Kunihisa Kato, Tsuyoshi Muto, Yuma Katsuta
  • Patent number: 11522114
    Abstract: The present invention provides: a thermoelectric conversion material capable of being produced in a simplified manner and at a lower cost and excellent in thermoelectric performance and flexibility, and a method for producing the material. The thermoelectric conversion material has, on a support, a thin film of a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat-resistant resin and an inorganic ionic compound. The method for producing a thermoelectric conversion material having, on a support, a thin film of a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat-resistant resin and an inorganic ionic compound includes a step of applying a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat-resistant resin and an inorganic ionic compound onto a support and drying it to form a thin film thereon, and a step of annealing the thin film.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: December 6, 2022
    Assignee: LINTEC CORPORATION
    Inventors: Kunihisa Kato, Wataru Morita, Tsuyoshi Mutou, Yuma Katsuta, Takeshi Kondo
  • Patent number: 11424397
    Abstract: Provided are an electrode material for thermoelectric conversion modules capable of preventing cracking and peeling of electrodes that may occur at the bonding parts of a thermoelectric element and an electrode under high-temperature conditions to thereby maintain a low resistance at the bonding parts, and a thermoelectric conversion module using the material.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: August 23, 2022
    Assignee: LINTEC CORPORATION
    Inventors: Kunihisa Kato, Wataru Morita, Tsuyoshi Muto, Yuma Katsuta
  • Publication number: 20220045258
    Abstract: A method for producing an intermediate for thermoelectric conversion modules may avoid a supporting substrate, enabling annealing of a thermoelectric semiconductor material in a form avoiding a joint to an electrode, and enabling annealing of a thermoelectric semiconductor material at an optimum temperature. Such methods may produce an intermediate for thermoelectric conversion modules containing a P-type thermoelectric and an N-type thermoelectric element layer of a thermoelectric semiconductor composition, and include (A) forming the P-type thermoelectric element layer and the N-type thermoelectric element layer on a substrate; (B) annealing the P-type and N-type thermoelectric element layer formed in (A); (C) forming a sealant layer containing a curable resin or a cured product thereof, on the P-type and N-type thermoelectric element layer annealed in (B); and (D) peeling the P-type and the N-type thermoelectric element layer and also the sealant layer formed in (B) and (C) from the substrate.
    Type: Application
    Filed: October 2, 2019
    Publication date: February 10, 2022
    Applicant: LINTEC CORPORATION
    Inventors: Yuta SEKI, Kunihisa KATO, Tsuyoshi MUTO, Yuma KATSUTA
  • Publication number: 20210376218
    Abstract: Provided are: a method for producing a chip of a thermoelectric conversion material that enables annealing treatment of a thermoelectric conversion material in the form not having a junction with an electrode, and enables annealing of a thermoelectric semiconductor material at an optimum annealing temperature; and a method for producing a thermoelectric conversion module using the chip (13).
    Type: Application
    Filed: August 27, 2019
    Publication date: December 2, 2021
    Applicant: LINTEC CORPORATION
    Inventors: Masaya TODAKA, Kunihisa KATO, Tsuyoshi MUTO, Yuma KATSUTA
  • Publication number: 20210328124
    Abstract: The present invention is to provide a method of producing a thermoelectric conversion device having a thermoelectric element layer with excellent shape controllability and capable of being highly integrated. The present invention relates to a method of producing a thermoelectric conversion device including a thermoelectric element layer formed of a thermoelectric semiconductor composition containing a thermoelectric semiconductor material on a substrate, the method including a step of providing a pattern frame having openings on a substrate; a step of filling the thermoelectric semiconductor composition in the openings; a step of drying the thermoelectric semiconductor composition filled in the openings, to form a thermoelectric element layer; and a step of releasing the pattern frame from the substrate.
    Type: Application
    Filed: August 27, 2019
    Publication date: October 21, 2021
    Applicant: LINTEC CORPORATION
    Inventors: Wataru MORITA, Kunihisa KATO, Tsuyoshi MUTO, Yuma KATSUTA
  • Publication number: 20210257531
    Abstract: A method for producing a chip of a thermoelectric conversion material formed of a thermoelectric semiconductor composition, including a step of forming a sacrificial layer on a substrate, (B) a step of forming a thermoelectric conversion material layer of a thermoelectric semiconductor composition on the sacrificial layer, (C) a step of annealing the thermoelectric conversion material layer, (D) a step of transferring the annealed thermoelectric conversion material layer to a pressure-sensitive adhesive layer, (E) a step of individualizing the thermoelectric conversion material layer into individual chips of a thermoelectric conversion material, and (F) a step of peeling the individualized chips of a thermoelectric conversion material; and a method for producing a thermoelectric conversion module using the chip produced according to the production method.
    Type: Application
    Filed: August 27, 2019
    Publication date: August 19, 2021
    Applicant: LINTEC CORPORATION
    Inventors: Kunihisa KATO, Tsuyoshi MUTO, Masaya TODAKA, Yuma KATSUTA
  • Publication number: 20210098672
    Abstract: Provided is a thermoelectric conversion module that improves the solderability between a thermoelectric element layer containing a resin and a solder layer. The thermoelectric conversion module includes a first substrate having a first electrode, a second substrate having a second electrode, a thermoelectric element layer, a solder-receiving layer that directly bonds to the thermoelectric element layer, and a solder layer, wherein the first electrode of the first substrate and the second electrode of the second substrate face each other, and wherein the thermoelectric element layer is formed of a thin film of a thermoelectric semiconductor composition containing a resin, and the solder-receiving layer contains a metal material.
    Type: Application
    Filed: March 25, 2019
    Publication date: April 1, 2021
    Applicant: LINTEC CORPORATION
    Inventors: Kunihisa KATO, Tsuyoshi MUTO, Yuma KATSUTA
  • Publication number: 20200144471
    Abstract: Provided are an electrode material for thermoelectric conversion modules capable of preventing cracking and peeling of electrodes that may occur at the bonding parts of a thermoelectric element and an electrode under high-temperature conditions to thereby maintain a low resistance at the bonding parts, and a thermoelectric conversion module using the material.
    Type: Application
    Filed: March 13, 2018
    Publication date: May 7, 2020
    Applicant: LINTEC CORPORATION
    Inventors: Kunihisa KATO, Wataru MORITA, Tsuyoshi MUTO, Yuma KATSUTA
  • Publication number: 20200066960
    Abstract: The present invention provides: a thermoelectric conversion material capable of being produced in a simplified manner and at a lower cost and excellent in thermoelectric performance and flexibility, and a method for producing the material. The thermoelectric conversion material has, on a support, a thin film of a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat-resistant resin and an inorganic ionic compound. The method for producing a thermoelectric conversion material having, on a support, a thin film of a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat-resistant resin and an inorganic ionic compound includes a step of applying a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat-resistant resin and an inorganic ionic compound onto a support and drying it to form a thin film thereon, and a step of annealing the thin film.
    Type: Application
    Filed: December 7, 2017
    Publication date: February 27, 2020
    Applicant: LINTEC CORPORATION
    Inventors: Kunihisa KATO, Wataru MORITA, Tsuyoshi MUTOU, Yuma KATSUTA, Takeshi KONDO
  • Patent number: 10490724
    Abstract: To provide a Peltier cooling element that is excellent in thermoelectric performance and flexibility and can be manufactured easily at low cost. A Peltier cooling element containing a thermoelectric conversion material containing a support having thereon a thin film containing a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, and a method for manufacturing a Peltier cooling element containing a thermoelectric conversion material containing a support having thereon a thin film containing a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, the method containing: coating a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, on a support, and drying, so as to form a thin film; and subjecting the thin film to an annealing treatment.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: November 26, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Kunihisa Kato, Tsuyoshi Mutou, Wataru Morita, Yuma Katsuta, Takeshi Kondo
  • Publication number: 20170373240
    Abstract: To provide a Peltier cooling element that is excellent in thermoelectric performance and flexibility and can be manufactured easily at low cost. A Peltier cooling element containing a thermoelectric conversion material containing a support having thereon a thin film containing a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, and a method for manufacturing a Peltier cooling element containing a thermoelectric conversion material containing a support having thereon a thin film containing a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, the method containing: coating a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, on a support, and drying, so as to form a thin film; and subjecting the thin film to an annealing treatment.
    Type: Application
    Filed: December 24, 2015
    Publication date: December 28, 2017
    Applicant: LINTEC CORPORATION
    Inventors: Kunihisa KATO, Tsuyoshi MUTOU, Wataru MORITA, Yuma KATSUTA, Takeshi KONDO