Patents by Inventor Kuri Suga

Kuri Suga 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).

  • Gaskets for use in internal combustion engines
    Patent number: 4973516
    Abstract: A gasket for use in internal combustion engines characterized in that one or both surfaces of a metallic or non-metallic sheet thereof are coated with a coat layer of a thickness of from 10 to 300 .mu.m composed of a coating material comprising from 20 to 60% by weight of expanded graphite having a specific volume of from 10 to 300 cc/g and from 40 to 80% by weight of a binder such as a synthetic resin.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: November 27, 1990
    Assignee: Nippon Carbon Co., Ltd.
    Inventors: Hidenori Yamaoka, Yoshinao Kobayashi, Kuri Suga