Patents by Inventor Katsumi Shimamura

Katsumi Shimamura 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: D321661
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: November 19, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D322577
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: December 24, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D335087
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: April 27, 1993
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Travel alarm clock
    Patent number: D337529
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: July 20, 1993
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D344025
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: February 8, 1994
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D344027
    Type: Grant
    Filed: January 30, 1992
    Date of Patent: February 8, 1994
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D346968
    Type: Grant
    Filed: January 30, 1992
    Date of Patent: May 17, 1994
    Assignee: Seikosha Co., Ltd.
    Inventors: Seiji Odaka, Katsumi Shimamura
  • Clock
    Patent number: D346972
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: May 17, 1994
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D347185
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: May 24, 1994
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D349060
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: July 26, 1994
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D354011
    Type: Grant
    Filed: December 23, 1992
    Date of Patent: January 3, 1995
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D378497
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: March 18, 1997
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D386093
    Type: Grant
    Filed: May 16, 1996
    Date of Patent: November 11, 1997
    Assignee: Seiko Clock Inc.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D412286
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: July 27, 1999
    Assignee: Seiko Clock Inc.
    Inventor: Katsumi Shimamura
  • Clock
    Patent number: D412669
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: August 10, 1999
    Assignee: Seiko Clock Inc.
    Inventors: Keiko Yoshida, Katsumi Shimamura