Patents by Inventor Naohiko Kikuchi

Naohiko Kikuchi 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 that uses it in the tread portion
    Patent number: 5049598
    Abstract: A rubber composition comprising a cellulosic material containing-processed powder product and rubber components and a studless tire having a tread portion that contains said rubber composition which is improved in the performance of travelling over snow and ice is disclosed.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: September 17, 1991
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Yuichi Saito, Shuichi Sakamoto, Naohiko Kikuchi, Takao Wada, Mamoru Uchida, Kiyoshige Muraoka