Patents by Inventor Kanji Mizusugi

Kanji Mizusugi 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 computer
    Patent number: D309603
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Hajime Shiozawa, Kouki Fukuda, Yasuhiko Mano
  • Copying machine
    Patent number: D313617
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: January 8, 1991
    Assignee: Sharp Corporation
    Inventors: Mikio Kosako, Kanji Mizusugi
  • Printer
    Patent number: D317420
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: June 11, 1991
    Assignee: Sharp Corporation
    Inventors: Mikio Kosako, Kanji Mizusugi
  • Computer
    Patent number: D317444
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: June 11, 1991
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Kouki Fukuda
  • Computer
    Patent number: D319222
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: August 20, 1991
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Kouki Fukuda
  • Battery case for a notebook computer
    Patent number: D329634
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: September 22, 1992
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Kensho Tsuji, Fumikazu Shimanuki
  • Numerical keyboard for notebook computer
    Patent number: D329848
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: September 29, 1992
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Kensho Tsuji, Fumikazu Shimanuki
  • Computer
    Patent number: D329853
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: September 29, 1992
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Kensho Tsuji
  • Computer
    Patent number: D330016
    Type: Grant
    Filed: April 26, 1991
    Date of Patent: October 6, 1992
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kanji Mizusugi, Kensho Tsuji, Hiroshi Yamamizu
  • Computer
    Patent number: D331571
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: December 8, 1992
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Kensho Tsuji, Fumikazu Shimanuki
  • Memory expansion unit for a computer
    Patent number: D331749
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: December 15, 1992
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Kensho Tsuji, Fumikazu Shimanuki
  • Computer
    Patent number: D333815
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: March 9, 1993
    Assignee: Sharp Corporation
    Inventors: Kanji Mizusugi, Kensho Tsuji, Fumikazu Shimanuki