Patents by Inventor Noaji Fujimori

Noaji Fujimori 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).

  • Diamond wire drawing die
    Patent number: 5571236
    Abstract: A wire drawing die comprises first and second polycrystalline diamond layers made of gaseous phase synthesized diamond. The finest diamond particles of the diamond layers are made into the wire contact portion of the die.
    Type: Grant
    Filed: August 26, 1993
    Date of Patent: November 5, 1996
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Toshiya Takahashi, Akihiko Ikegaya, Keiichiro Tanabe, Noaji Fujimori