Patents by Inventor Joh Wada

Joh Wada 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).

  • Hand held data input terminal for video monitor
    Patent number: D323155
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: January 14, 1992
    Assignee: Sony Corporation
    Inventors: Ichiroh Hino, Joh Wada
  • Battery charger for a tape player
    Patent number: D335278
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: May 4, 1993
    Assignee: Sony Corporation
    Inventor: Joh Wada
  • Tape player
    Patent number: D336294
    Type: Grant
    Filed: April 19, 1991
    Date of Patent: June 8, 1993
    Assignee: Sony Corporation
    Inventors: Joh Wada, Rie Furui
  • Tape player
    Patent number: D336296
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: June 8, 1993
    Assignee: Sony Corporation
    Inventor: Joh Wada
  • Combined tape recorder and radio tuner
    Patent number: D336473
    Type: Grant
    Filed: July 9, 1991
    Date of Patent: June 15, 1993
    Assignee: Sony Corporation
    Inventor: Joh Wada
  • Earphone
    Patent number: D337589
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: July 20, 1993
    Assignee: Sony Corporation
    Inventor: Joh Wada
  • Tape player combined with a radio receiver
    Patent number: D350749
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: September 20, 1994
    Assignee: Sony Corporation
    Inventors: Joh Wada, Hisanori Narita
  • Headphone
    Patent number: D353817
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: December 27, 1994
    Assignee: Sony Corporation
    Inventor: Joh Wada
  • Navigational location system
    Patent number: D383400
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: September 9, 1997
    Assignee: Sony Corporation
    Inventor: Joh Wada