Patents by Inventor Yasutarou YOSHIDA

Yasutarou YOSHIDA 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).

  • Gas valve and flow rate control method for propane gas
    Patent number: 11686395
    Abstract: A ring base member of a disc seat ring is fixed to a valve disc using a bolt. The valve disc is formed of a first austenitic stainless steel containing 17.0% by mass to 21.0% by mass of Cr and 8.0% by mass to 13.0% by mass of Ni. The ring base member is formed of a second austenitic stainless steel containing 17.0% by mass to 20.0% by mass of Cr and 8.0% by mass to 15.0% by mass of Ni.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: June 27, 2023
    Assignee: KUBOTA Corporation
    Inventors: Yasutarou Yoshida, Masataka Taniguchi, Kouhei Mori
  • GAS VALVE AND FLOW RATE CONTROL METHOD FOR PROPANE GAS
    Publication number: 20220307612
    Abstract: A ring base member of a disc seat ring is fixed to a valve disc using a bolt. The valve disc is formed of a first austenitic stainless steel containing 17.0% by mass to 21.0% by mass of Cr and 8.0% by mass to 13.0% by mass of Ni. The ring base member is formed of a second austenitic stainless steel containing 17.0% by mass to 20.0% by mass of Cr and 8.0% by mass to 15.0% by mass of Ni.
    Type: Application
    Filed: February 19, 2021
    Publication date: September 29, 2022
    Applicant: KUBOTA Corporation
    Inventors: Yasutarou YOSHIDA, Masataka TANIGUCHI, Kouhei MORI