Patents by Inventor Toshihisa Yokoi

Toshihisa Yokoi 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).

  • Transceiver
    Patent number: D310523
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: September 11, 1990
    Assignee: Sony Corporation
    Inventors: Ichiro Hino, Toshihisa Yokoi
  • Battery charger
    Patent number: D336281
    Type: Grant
    Filed: October 21, 1991
    Date of Patent: June 8, 1993
    Assignee: Sony Corporation
    Inventors: Mitsuhiro Nakamura, Toshihisa Yokoi