Patents by Inventor Tooru Namisato

Tooru Namisato 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).

  • Electronic watch with moving member
    Patent number: 4985877
    Abstract: An analog type electronic watch having a step motor to drive hands has a movement indicator other than hands. The movement indicator has a magnet member and is driven with the magnetic influence of a rotor magnet of the step motor. The magnet member is arranged within a window provided in a dial plate of the watch within the range of the magnetic force of the rotor. The movement indicator is supported so as to be synchronously moved with the rotation of the rotor under the magnetic influence.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: January 15, 1991
    Assignee: Seiko Instruments Inc.
    Inventor: Tooru Namisato
  • Electronic watch with moving member
    Patent number: 4839874
    Abstract: An analog type electronic watch having a step motor to drive hands has a movement indicator other than hands. The movement indicator has a magnet member and is driven with the magnetic influence of a rotor magnet of the step motor. The magnet member is arranged within a window provided in a dial plate of the watch within the range of the magnetic force of the rotor. The movement indicator is supported so as to be synchronously moved with the rotation of the rotor under the magnetic influence.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: June 13, 1989
    Assignee: Seiko Instruments Inc.
    Inventor: Tooru Namisato