Patents by Inventor Isao Tsujigaito

Isao Tsujigaito 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 resin coated article
    Patent number: 5009959
    Abstract: A fluorine resin coated article comprising a metal substrate coated with a composition comprising a fluorine resin containing (a) a polyamideimide resin, a polyimide resin, a polyphenylene sulfide resin, a polyethersulfone resin or a mixture thereof in an amount of at least 0.5 wt % based on the amount of the fluorine resin, and (b) mica in an amount of at least 0.5 wt % based on the amount of the fluorine resin.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: April 23, 1991
    Assignee: Sumitomo Electric Industries Ltd.
    Inventors: Nobutaka Matsushita, Hiroshi Okazaki, Shosuke Yamanouchi, Yoshitaka Osawa, Isao Tsujigaito