Patents by Inventor Ryunosuke Kitagawa

Ryunosuke Kitagawa 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).

  • Television set
    Patent number: D297936
    Type: Grant
    Filed: July 21, 1986
    Date of Patent: October 4, 1988
    Assignee: Sharp Corporation
    Inventor: Ryunosuke Kitagawa
  • Television set
    Patent number: D305757
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: January 30, 1990
    Assignee: Sharp Corporation
    Inventors: Ryunosuke Kitagawa, Harumi Sakamoto
  • Television set
    Patent number: D307583
    Type: Grant
    Filed: February 18, 1987
    Date of Patent: May 1, 1990
    Assignee: Sharp Corporation
    Inventors: Tomitaro Saito, Ryunosuke Kitagawa, Tohru Ohtani
  • Television set
    Patent number: D307895
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: May 15, 1990
    Assignee: Sharp Corporation
    Inventors: Ryunosuke Kitagawa, Shimizu Osamu
  • Television set
    Patent number: D307896
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: May 15, 1990
    Assignee: Sharp Corporation
    Inventors: Ryunosuke Kitagawa, Osamu Shimizu
  • Television set
    Patent number: D308969
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: July 3, 1990
    Assignee: Sharp Corporation
    Inventors: Ryunosuke Kitagawa, Kuniko Okazaki
  • Television set
    Patent number: D310360
    Type: Grant
    Filed: February 6, 1987
    Date of Patent: September 4, 1990
    Assignee: Sharp Corporation
    Inventor: Ryunosuke Kitagawa
  • Television set
    Patent number: D311532
    Type: Grant
    Filed: March 17, 1987
    Date of Patent: October 23, 1990
    Assignee: Sharp Corporation
    Inventor: Ryunosuke Kitagawa
  • Microwave oven
    Patent number: D338801
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: August 31, 1993
    Assignee: Sharp Manufacturing Company of America
    Inventors: W. Harry Hessen, Ryunosuke Kitagawa
  • Front section of a cabinet for a combined television and video cassette recorder/player
    Patent number: D368471
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: April 2, 1996
    Assignee: Sharp Manufacturing Company of America
    Inventors: Ryunosuke Kitagawa, Marco Ferrari, W. Harry Hessen, Jay K. Fording