Patents by Inventor Kenjiro Itsumi

Kenjiro Itsumi 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).

  • Microwave oven
    Patent number: D261599
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: November 3, 1981
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yoichi Takahashi, Kenjiro Itsumi, Toshio Harada, Shigefumi Inoue