Patents by Inventor Kimio Hirota

Kimio Hirota 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).

  • Clock
    Patent number: D255551
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: June 24, 1980
    Assignee: Kabushiki Kaisha Seikosha
    Inventor: Kimio Hirota
  • Travel alarm clock
    Patent number: D309573
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: July 31, 1990
    Assignee: Seikosha Co., Ltd.
    Inventor: Kimio Hirota
  • Clock
    Patent number: D312788
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: December 11, 1990
    Assignee: Seikosha Co., Ltd.
    Inventor: Kimio Hirota
  • Clock
    Patent number: D314342
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: February 5, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Kimio Hirota
  • Clock
    Patent number: D319022
    Type: Grant
    Filed: August 2, 1988
    Date of Patent: August 13, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Kimio Hirota
  • Clock
    Patent number: D321140
    Type: Grant
    Filed: February 1, 1989
    Date of Patent: October 29, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Kimio Hirota
  • Clock
    Patent number: D323465
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: January 28, 1992
    Assignee: Seikosha Co., Ltd.
    Inventor: Kimio Hirota