Patents by Inventor Yasuhiro Osako

Yasuhiro Osako 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).

  • Polyarylene sulfide resin composition
    Patent number: 5733962
    Abstract: A polyarylene sulfide resin composition comprising as major components: (A) 100 parts by weight of a polyarylene sulfide resin; (B) 200-30 parts by weight of mica; (C) 150-30 parts by weight of carbon fiber; and (D) 30-0.5 parts by weight of conductive carbon black. Various parts with stable conductivity and high dimensional precision can be produced from this resin composition by one molding operation.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: March 31, 1998
    Assignee: Idemitsu Petrochemical Co., Ltd.
    Inventors: Yasuhiro Osako, Tomoyoshi Murakami