Patents by Inventor Seiji Koguma

Seiji Koguma 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).

  • Desk
    Patent number: D278583
    Type: Grant
    Filed: February 3, 1983
    Date of Patent: April 30, 1985
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D278770
    Type: Grant
    Filed: February 3, 1983
    Date of Patent: May 14, 1985
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D278771
    Type: Grant
    Filed: February 3, 1983
    Date of Patent: May 14, 1985
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D278772
    Type: Grant
    Filed: February 3, 1983
    Date of Patent: May 14, 1985
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D281746
    Type: Grant
    Filed: February 3, 1983
    Date of Patent: December 17, 1985
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D317090
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: May 28, 1991
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D317091
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: May 28, 1991
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D317092
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: May 28, 1991
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D317093
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: May 28, 1991
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D334103
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: March 23, 1993
    Assignee: Okamura Corp.
    Inventor: Seiji Koguma
  • Desk
    Patent number: D336391
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: June 15, 1993
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D337675
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: July 27, 1993
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D341273
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: November 16, 1993
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma
  • Desk
    Patent number: D345266
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: March 22, 1994
    Assignee: Okamura Corporation
    Inventor: Seiji Koguma