Patents by Inventor Takeyuki Tsunekawa

Takeyuki Tsunekawa 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).

  • Silicone resin-metal composite
    Patent number: 6153326
    Abstract: A silicone resin-metal composite comprising a thin metal plate and a silicone resin layer formed on at least one side of the thin metal plate by injection molding, wherein a silicone resin layer has a thickness of from 0.05 mm to 1.0 mm and a hardness within a range of from 20 to 70 (JIS K6301 spring type hardness test A).
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: November 28, 2000
    Assignees: Aisin Takaoka Co., Ltd., Mitsubishi Plastics, Inc.
    Inventors: Masanori Matsukawa, Yoshihiro Fujimi, Takeyuki Tsunekawa, Etsuro Yamaguchi
  • Silicone rubber composite
    Patent number: 5948515
    Abstract: A silicone rubber composite comprising a sheet or film made essentially of a crystalline polyester resin, and, formed sequentially on at least one side of the sheet or film, an undercoating layer (A) made substantially of an amorphous polymer and a thin film layer (B) having good affinity for the undercoating layer and containing a silicone resin, wherein a silicone rubber layer (C) made of a silicone elastomer resin cured to have a hardness within a range of from 20 to 70 (JIS K6301 spring type hardness test A) is formed on the thin film layer (B), so that the sheet or film and the silicone ruber layer (C) are integrated.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: September 7, 1999
    Assignee: Mitsubishi Plastics, Inc.
    Inventor: Takeyuki Tsunekawa