Patents by Inventor Kenji Komamizu

Kenji Komamizu 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
    Patent number: 5302636
    Abstract: The present invention provides a rubber composition containing a leather powder or gelatin powder, and a tire having a tread prepared from the rubber composition.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: April 12, 1994
    Assignee: Toyo Tire & Rubber Company Limited
    Inventors: Hiroshi Takino, Makoto Komai, Riichiro Ohara, Satoshi Iwama, Yuji Yamaguchi, Rinichi Nakayama, Koji Hiramatsu, Kenji Komamizu