Patents by Inventor Kenji GOUDA

Kenji GOUDA 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).

  • TRANSDUCER AND ELECTRONIC DEVICE
    Publication number: 20240129673
    Abstract: A transducer includes: a film support portion; a vibration film that is connected to the film support portion and capable of displacing in a thickness direction; a base material having an opposed surface that is opposed to the vibration film; and a first piezoelectric element that is provided with a pair of electrodes and a piezoelectric film sandwiched between the pair of electrodes, and is arranged on the vibration film, in which the transducer maintains a pressure in a space between the base material and the vibration film so as to keep displacement of the vibration film within a certain range.
    Type: Application
    Filed: December 12, 2023
    Publication date: April 18, 2024
    Applicant: ROHM CO., LTD.
    Inventors: Takashi NAIKI, Noriyuki SHIMOJI, Tomohiro DATE, Kenji GOUDA, Yurina AMAMOTO
  • Method for manufacturing lithium hydroxide powder, method for manufacturing positive electrode active material for lithium secondary cell, and package
    Patent number: 11932548
    Abstract: A method for manufacturing a lithium hydroxide powder includes a pulverizing step of pulverizing coarse particles of lithium hydroxide to obtain lithium hydroxide powder; and a carbonation-suppressing step of storing the lithium hydroxide powder in an airtight container in an atmosphere satisfying requirements (1) and (2). (1) A partial pressure of carbon dioxide gas is 100 Pa or less with respect to a total amount of gas present in the airtight container. (2) A relative humidity in the airtight container is 60% or less.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: March 19, 2024
    Assignees: SUMITOMO CHEMICAL COMPANY, LIMITED, TANAKA CHEMICAL CORPORATION
    Inventors: Kenji Gouda, Keiichiro Suzuki, Jun-ichi Kageura
  • Resin microparticle production method and resin particles
    Patent number: 11230628
    Abstract: A resin microparticle production method includes a step of pulverizing resin particles having a thermoplastic resin as a forming material and having a BET specific surface area of equal to or more than 5 m2/g using an impact type pulverizer.
    Type: Grant
    Filed: December 25, 2017
    Date of Patent: January 25, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji Gouda, Toshiaki Sugimura, Shinji Ohtomo
  • METHOD FOR MANUFACTURING LITHIUM HYDROXIDE POWDER, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY CELL, AND PACKAGE
    Publication number: 20200407234
    Abstract: A method for manufacturing a lithium hydroxide powder includes a pulverizing step of pulverizing coarse particles of lithium hydroxide to obtain lithium hydroxide powder; and a carbonation-suppressing step of storing the lithium hydroxide powder in an airtight container in an atmosphere satisfying requirements (1) and (2). (1) A partial pressure of carbon dioxide gas is 100 Pa or less with respect to a total amount of gas present in the airtight container. (2) A relative humidity in the airtight container is 60% or less.
    Type: Application
    Filed: February 28, 2019
    Publication date: December 31, 2020
    Inventors: Kenji GOUDA, Keiichiro SUZUKI, Jun-ichi KAGEURA
  • RESIN MICROPARTICLE PRODUCTION METHOD AND RESIN PARTICLES
    Publication number: 20190345295
    Abstract: A resin microparticle production method includes a step of pulverizing resin particles having a thermoplastic resin as a forming material and having a BET specific surface area of equal to or more than 5 m2/g using an impact type pulverizer
    Type: Application
    Filed: December 25, 2017
    Publication date: November 14, 2019
    Inventors: Kenji GOUDA, Toshiaki SUGIMURA, Shinji OHTOMO