Patents by Inventor Maya OKANIWA

Maya OKANIWA 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).

  • Rubber composition and tire
    Patent number: 11905391
    Abstract: The present invention provides a rubber composition comprising: a guanidine fatty acid salt (A), which is a salt of guanidine and a fatty acid; natural rubber and/or synthetic rubber (B); and an inorganic filler (C).
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: February 20, 2024
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Takuya Kageyama, Maya Okaniwa, Susumu Innan
  • RUBBER COMPOSITION AND TIRE
    Publication number: 20210179810
    Abstract: The present invention provides a rubber composition comprising: a guanidine fatty acid salt (A), which is a salt of guanidine and a fatty acid; natural rubber and/or synthetic rubber (B); and an inorganic filler (C).
    Type: Application
    Filed: July 11, 2019
    Publication date: June 17, 2021
    Inventors: Takuya KAGEYAMA, Maya OKANIWA, Susumu INNAN