Patents by Inventor Michiyuki Sugita

Michiyuki Sugita 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).

  • Thermoplastic resin composition
    Patent number: 4692480
    Abstract: A thermoplastic resin composition comprises a thermoplastic resin and a spherical, hollow filler having a wall thickness ratio of 2.5 to 10, defined as a ratio of an outer diameter of the filler to a wall thickness of the filler. It is useful for a light-weighed piece.
    Type: Grant
    Filed: April 10, 1986
    Date of Patent: September 8, 1987
    Assignee: Polyplastics Co., Ltd.
    Inventors: Katsuhiko Takahashi, Michiyuki Sugita