Patents by Inventor Youichi Yaguchi

Youichi Yaguchi 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).

  • Process for forming a crystalline diamond film
    Patent number: 4987002
    Abstract: A crystalline diamond film is formed on a thin substrate. Energy is applied by a thermal plasma torch to a gas mixture to deposit carbon particles onto the substrate. The substrate is positioned on a pedestal with a cooling facility in which an intermediate layer of thermally conductive powder is interposed between the substrate and the pedestal.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: January 22, 1991
    Assignees: Kabushiki Kaisha Kenwood, Namiki Precision Jewel Co., Ltd.
    Inventors: Masakatu Sakamoto, Youichi Yaguchi, Hiroaki Toshima, Toshiroh Kotaki