Patents by Inventor Yohichi Yamashita

Yohichi Yamashita 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).

  • Ceramic heating element made of molybdenum disilicide and silicon carbide whiskers
    Patent number: 5965051
    Abstract: A ceramic heating element includes a heat-generating portion 1 formed of a ceramic composite material with 3 to 40 vol. % of silicon carbide (SiC) whiskers and the balance substantially of molybdenum disilicide (MoSi.sub.2), and electrode portions 2a and 2b provided on both ends of the heat-generating portion 1.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: October 12, 1999
    Assignees: Fuji Electric Co., Ltd., Kabushiki Kaisha Riken
    Inventors: Noritomo Hirayama, Nobuhisa Kato, Mutsumi Nagumo, Masahiro Uno, Yohichi Yamashita, Wan Jiang, Tetsuo Uchiyama, Kenichi Tsuji