Patents by Inventor Katsuhiro Hatano

Katsuhiro Hatano 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).

  • Timepiece movement with a second stop device
    Patent number: 5621704
    Abstract: A timepiece movement comprises a rotor driven for intermittent rotation by a stepping motor, a speed-reducing wheel train and a second stop device. The speed-reducing wheel train has a movement conversion mechanism for transmitting intermittent rotary movement of the rotor to continuous rotary movement of a second hand wheel in a smooth manner. The second stop device is moveable between a first position, for immediately stopping the second hand wheel, and a second position, for immediately moving the second hand wheel at a predetermined speed.
    Type: Grant
    Filed: October 25, 1995
    Date of Patent: April 15, 1997
    Assignee: Seiko Clock Inc.
    Inventors: Koji Baba, Katsuhiro Hatano
  • Clock movement
    Patent number: D311353
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: October 16, 1990
    Assignee: Seikosha Co., Ltd.
    Inventors: Tetsuro Suzuki, Katsuhiro Hatano
  • Clock
    Patent number: D325000
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: March 31, 1992
    Assignee: Seikosha Co., Ltd.
    Inventors: Mamoru Tanaka, Katsuhiro Hatano
  • Clock movement
    Patent number: D326063
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: May 12, 1992
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsuhiro Hatano
  • Clock movement
    Patent number: D326239
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: May 19, 1992
    Inventor: Katsuhiro Hatano
  • Clock movement
    Patent number: D333999
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: March 16, 1993
    Assignee: Seikosha Co., Ltd.
    Inventor: Katsuhiro Hatano