Patents by Inventor Katsuya Moritaka

Katsuya Moritaka 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 movement
    Patent number: D303226
    Type: Grant
    Filed: December 3, 1986
    Date of Patent: September 5, 1989
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsuya Moritaka
  • Hub for supporting a timepiece hand
    Patent number: D312592
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: December 4, 1990
    Assignee: Seikosha Co., Ltd.
    Inventors: Keiichi Yoshizawa, Katsuya Moritaka
  • Hub for supporting a timepiece hand
    Patent number: D313196
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: December 25, 1990
    Assignee: Seikosha Co., Ltd.
    Inventors: Keiichi Yoshizawa, Katsuya Moritaka
  • Clock movement with battery case
    Patent number: D318025
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: July 9, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsuya Moritaka
  • Clock movement with battery case
    Patent number: D318026
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: July 9, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsuya Moritaka
  • Clock movement
    Patent number: D318027
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: July 9, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsuya Moritaka