Patents by Inventor Tatsuhiko Kuwano

Tatsuhiko Kuwano 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).

  • Carrier for supporting workpiece to be polished
    Patent number: 5085009
    Abstract: A carrier for supporting workpieces to be polished is composed of an integrated mica laminated sheet. The mica laminated sheet is impregnated with a thermo-setting resin. The carrier has a low warp ratio and can be made thin with a sufficient mechanical strength and accuracy of thickness.
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: February 4, 1992
    Assignees: Sekisui Kagaku Kogyo Kabushiki Kaisha, Okabe Mica Co., Ltd., Fuji Spinning Co., Ltd.
    Inventors: Akira Kinumura, Katsuhiko Koretomo, Shuichi Yura, Tatsuhiko Kuwano, Tsuguji Kimura