Patents by Inventor Kenji Watabe

Kenji Watabe 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).

  • Video tape recorder
    Patent number: D339123
    Type: Grant
    Filed: July 18, 1991
    Date of Patent: September 7, 1993
    Assignees: Hitachi, Ltd., Hitachi Engineering Inc.
    Inventors: Kouichi Kasama, Sumie Komuro, Jun Furuya, Takanori Nishiyama, Akira Takahashi, Kenji Watabe