Patents by Inventor Masao Tuji

Masao Tuji 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: D290263
    Type: Grant
    Filed: August 24, 1984
    Date of Patent: June 9, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Masato Shibayama, Takeshi Abe, Atuyuki Gotou, Mituo Nakamura, Tutomu Takahashi, Masao Tuji