Patents by Inventor Shigeru Kurozumi

Shigeru Kurozumi 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).

  • Electrophotographical duplicator
    Patent number: D246526
    Type: Grant
    Filed: April 22, 1976
    Date of Patent: November 29, 1977
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Shigeru Kurozumi
  • Cash register
    Patent number: D247388
    Type: Grant
    Filed: December 17, 1975
    Date of Patent: February 28, 1978
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Shigeru Kurozumi
  • Electroluminescent display
    Patent number: D247563
    Type: Grant
    Filed: September 3, 1976
    Date of Patent: March 21, 1978
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Katsumi Jinbo, Shigeru Kurozumi, Akira Esaki
  • Electrophotographical duplicator
    Patent number: D257984
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: January 20, 1981
    Assignee: Sharp Kabushiki Kaisha (Sharp Corporation)
    Inventors: Shigeru Kurozumi, Isao Kitai
  • Electrostatic copying machine
    Patent number: D260902
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: September 22, 1981
    Assignee: Sharp Corporation
    Inventor: Shigeru Kurozumi
  • Electronic calculating machine
    Patent number: D262140
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: December 1, 1981
    Assignee: Sharp Corporation
    Inventors: Masafumi Yamagami, Shigeru Kurozumi
  • Electronic translator
    Patent number: D263853
    Type: Grant
    Filed: February 27, 1980
    Date of Patent: April 13, 1982
    Assignee: Sharp Corporation
    Inventor: Shigeru Kurozumi
  • Document feeding machine for electronic copying machine
    Patent number: D263962
    Type: Grant
    Filed: February 27, 1980
    Date of Patent: April 20, 1982
    Assignee: Sharp Corporation
    Inventor: Shigeru Kurozumi
  • Case for an electronic calculator
    Patent number: D267290
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: December 21, 1982
    Assignee: Sharp Corporation
    Inventor: Shigeru Kurozumi
  • Electronic calculator
    Patent number: D273305
    Type: Grant
    Filed: April 21, 1982
    Date of Patent: April 3, 1984
    Assignee: Sharp Corporation
    Inventor: Shigeru Kurozumi
  • Electronic calculator with watch
    Patent number: D279196
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: June 11, 1985
    Assignee: Sharp Corporation
    Inventors: Shigeru Kurozumi, Masaji Sawada
  • Electronic whiteboard and photocopier
    Patent number: D300041
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: February 28, 1989
    Assignee: Sharp Corporation
    Inventors: Shigeru Kurozumi, Harumi Sakamoto
  • Television set
    Patent number: D309134
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: July 10, 1990
    Assignee: Sharp Corporation
    Inventors: Shigeru Kurozumi, Yoshito Fujii, Harumi Sakamoto
  • Television set
    Patent number: D311530
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: October 23, 1990
    Assignee: Sharp Corporation
    Inventors: Shigeru Kurozumi, Yoshito Fujii, Taisuke Saeki, Hiroshi Kajimoto
  • Television set
    Patent number: D319437
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: August 27, 1991
    Assignee: Sharp Corporation
    Inventors: Shigeru Kurozumi, Hiroshi Kajimoto
  • Projector
    Patent number: D321526
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: November 12, 1991
    Assignee: Sharp Corporation
    Inventors: Shigeru Kurozumi, Taisuke Saeki, Harumi Sakamoto
  • Projector
    Patent number: D321527
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: November 12, 1991
    Assignee: Sharp Corporation
    Inventors: Shigeru Kurozumi, Kazuo Tsujimoto, Osamu Shimizu
  • Digital audio disk recorder
    Patent number: D415757
    Type: Grant
    Filed: January 7, 1998
    Date of Patent: October 26, 1999
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shin Takahashi, Shigeru Kurozumi, Keiichi Koyama