Patents by Inventor Katsunori Kigoshi

Katsunori Kigoshi 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).

  • Motor control circuit and power window device
    Patent number: 8134312
    Abstract: A motor control circuit includes a manipulation unit, a control unit that drives a motor in a normal rotation direction or a reverse rotation direction, a catch detecting unit that detects a foreign substance caught in the opening and closing body, a first relay circuit that connects one of terminals of the motor to a power supply when the motor is driven in the normal rotation direction, a second relay circuit that connects the other terminal of the motor to the power supply when the motor is driven in the reverse rotation direction, a switch element that cuts off connection to the power supply when the normal rotation command is fed into the control unit from the manipulation unit, a detection circuit, and a feed circuit.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: March 13, 2012
    Assignee: OMRON Corporation
    Inventor: Katsunori Kigoshi
  • MOTOR CONTROL CIRCUIT AND POWER WINDOW DEVICE
    Publication number: 20100083579
    Abstract: A motor control circuit includes a manipulation unit, a control unit that drives a motor in a normal rotation direction or a reverse rotation direction, a catch detecting unit that detects a foreign substance caught in the opening and closing body, a first relay circuit that connects one of terminals of the motor to a power supply when the motor is driven in the normal rotation direction, a second relay circuit that connects the other terminal of the motor to the power supply when the motor is driven in the reverse rotation direction, a switch element that cuts off connection to the power supply when the normal rotation command is fed into the control unit from the manipulation unit, a detection circuit, and a feed circuit.
    Type: Application
    Filed: October 5, 2009
    Publication date: April 8, 2010
    Applicant: OMRON CORPORATION
    Inventor: Katsunori Kigoshi