Patents by Inventor Juichi Yamamoto

Juichi Yamamoto 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 disc player
    Patent number: D290000
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: May 26, 1987
    Assignee: Pioneer Electronic Corporation
    Inventors: Juichi Yamamoto, Kazuhiko Kawano, Toru Tsunetsugu, Shuji Natori, Noboru Keitoku
  • Disc player
    Patent number: D290111
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: June 2, 1987
    Assignee: Pioneer Electronic Corporation
    Inventors: Kazuhiko Kawano, Toshihito Nomura, Juichi Yamamoto
  • Digital audio disc player equipped with mixing function
    Patent number: D417450
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: December 7, 1999
    Assignee: Pioneer Electronic Corporation
    Inventors: Jota Kurachi, Juichi Yamamoto, Manabu Kawachi