Patents by Inventor Kunio Tatusawa

Kunio Tatusawa 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).

  • Pendulum arrangement for clock movement
    Patent number: 4449831
    Abstract: A pendulum arrangement for a clock movement in which such arrangement has a pendulum arm being mounted to swing freely at a pendulum arm supporting means which is installed on a clock movement housing, and said pendulum arm supporting means consists of a pendulum arm supporter which is pivotally held with free rotation on the clock movement housing so that the pendulum arm supporter can rotate and adjust its supporting position in accordance with the swinging state of the pendulum arm in the inclination of the clock movement.
    Type: Grant
    Filed: July 28, 1982
    Date of Patent: May 22, 1984
    Assignee: Rhythm Watch Co., Ltd.
    Inventors: Masaru Itami, Kunio Tatusawa