Patents by Inventor Shiro Takahata

Shiro Takahata 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).

  • Gasket sheet
    Patent number: 4546033
    Abstract: A gasket sheet obtained by the milling and vulcanization of 50-85% by weight of a fibrous material, 10-50% by weight of a rubber material and at least 1-23% by weight of a water-insoluble and -swelling substance. The gasket sheet may be a one layer or a three layer sheet.
    Type: Grant
    Filed: January 25, 1984
    Date of Patent: October 8, 1985
    Assignees: Nichias Corporation, Japan Exlan Company, Ltd.
    Inventors: Yasushi Tsuchimoto, Shiro Takahata, Kiyotaka Shimada, Koji Tanaka, Susumu Aoki, Tsutomu Yamamoto, Masaaki Ashizawa, Kazuo Nishimoto