Patents by Inventor Kenji Nishiyama

Kenji Nishiyama 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: D258057
    Type: Grant
    Filed: October 25, 1978
    Date of Patent: January 27, 1981
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Mitsuo Takanaga, Yasunobu Nakamura, Kazuhiko Nagata, Kenji Nishiyama
  • Video tape recorder
    Patent number: D264584
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: May 25, 1982
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kazuhiko Nagata, Kenji Nishiyama, Shinji Makino, Mitsuo Takanaga