Patents by Inventor Rikichi Koike

Rikichi Koike 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).

  • Fluorine-containing elastomeric electric insulating material and insulated electric wire coated therewith
    Patent number: 4770937
    Abstract: A fluorine-containing elastomeric electric insulating material is disclosed. The material is a vulcanized product of a composition comprising 100 parts by weight of a fluorine-containing elastomeric copolymer having a number average molecular weight of from 20,000 to 60,000, containing as major components a unit based on tetrafluoroethylene and a unit based on an .alpha.-olefin having 2 to 4 carbon atoms and exhibiting rubber elasticity at room temperature, 0.1 to 5 parts by weight of an organic peroxide and 0.1 to 20 parts by weight of a polyallyl compound.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: September 13, 1988
    Assignees: Hitachi Cable, Ltd., Asahi Glass Co., Ltd.
    Inventors: Hideki Yagyu, Ikuo Seki, Mituharu Morozumi, Yasumichi Ito, Rikichi Koike