Patents by Inventor Riichi Fukutome

Riichi Fukutome 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).

  • Metal tool
    Patent number: 3945807
    Abstract: A tool such as a drill, etc. made of a hard metal, e.g., a cemented carbide, having applied thereto a coating film of a noble metal such as gold, silver, platinum, etc. by means of an ion-plating treatment.
    Type: Grant
    Filed: November 15, 1973
    Date of Patent: March 23, 1976
    Assignee: Nihon Shinku Gijutsu Kabushiki Kaisha
    Inventor: Riichi Fukutome