Patents by Inventor Koichi Tenkyu

Koichi Tenkyu 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).

  • Patent number: D302984
    Type: Grant
    Filed: April 8, 1987
    Date of Patent: August 22, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Kimura, Koichi Tenkyu