Patents by Inventor Yoichi Nara

Yoichi Nara 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).

  • Speaker box
    Patent number: D378522
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: March 18, 1997
    Assignee: Sony Corporation
    Inventor: Yoichi Nara
  • Combined television and disc player
    Patent number: D416014
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: November 2, 1999
    Assignee: Sony Corporation
    Inventor: Yoichi Nara