Patents by Inventor Yoshitaka Ushizaka

Yoshitaka Ushizaka 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).

  • Pressure-sensitive adhesive composition
    Patent number: 5415912
    Abstract: A pressure-sensitive adhesive composition comprising (A) a pressure-sensitive adhesive and (B) a polyorganosilsesquioxane fine powder is disclosed. The composition shows excellent adhesion tackiness, and enables smooth rewinding during production of pressure-sensitive tapes.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: May 16, 1995
    Assignee: Toshiba Silicone Co., Ltd.
    Inventors: Yoshitaka Ushizaka, Shinya Watanabe