Patents by Inventor Masaharu Akiyama

Masaharu Akiyama 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).

  • Fluoro-elastomer composition having improved processability
    Patent number: 4065419
    Abstract: Rice-bran wax in the amount of 0.1 to 10 parts by weight per 100 parts of elastomer is added to fluoroelastomers to improve the processability of the fluoroelastomer.
    Type: Grant
    Filed: October 15, 1976
    Date of Patent: December 27, 1977
    Inventors: Yoshihiko Kawaguchi, Yoshimi Harada, Makoto Miki, Kanenari Gouda, Masaharu Akiyama, Masayuki Tokura, Jun Kuroha