Patents by Inventor Maretsugu Okubo

Maretsugu Okubo 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).

  • Portable recording and playback device
    Patent number: D443259
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: June 5, 2001
    Assignee: Nippon Columbia Co., Ltd.
    Inventor: Maretsugu Okubo
  • Remote control unit
    Patent number: D448757
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: October 2, 2001
    Assignee: Nippon Columbia Co., Ltd.
    Inventor: Maretsugu Okubo