Patents by Inventor Shinichi Sumikawa

Shinichi Sumikawa 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).

  • Reconfigurable radio receiver
    Patent number: D323166
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: January 14, 1992
    Assignee: Sony Corporation
    Inventors: Ichiroh Hino, Shinichi Sumikawa
  • Headphone
    Patent number: D347845
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: June 14, 1994
    Assignee: Sony Corporation
    Inventor: Shinichi Sumikawa
  • Infrared transmitter
    Patent number: D350956
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: September 27, 1994
    Assignee: Sony Corporation
    Inventor: Shinichi Sumikawa
  • Tape player combined with a radio tuner
    Patent number: D350959
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: September 27, 1994
    Assignee: Sony Corporation
    Inventor: Shinichi Sumikawa
  • Tape player
    Patent number: D351168
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: October 4, 1994
    Assignee: Sony Corporation
    Inventor: Shinichi Sumikawa
  • Scissors
    Patent number: D648996
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: November 22, 2011
    Assignee: Kokuyo Co., Ltd.
    Inventors: Yoichi Hanakawa, Shinichi Sumikawa
  • Scissors
    Patent number: D651491
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: January 3, 2012
    Assignee: Kokuyo Co., Ltd.
    Inventors: Yoichi Hanakawa, Shinichi Sumikawa
  • Scissors
    Patent number: D651492
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: January 3, 2012
    Assignee: Kokuyo Co., Ltd.
    Inventors: Yoichi Hanakawa, Shinichi Sumikawa
  • Aroma diffuser
    Patent number: D652906
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: January 24, 2012
    Assignee: @aroma Co., Ltd.
    Inventor: Shinichi Sumikawa