Patents by Inventor Masaru Okuizumi

Masaru Okuizumi 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).

  • Control system for motor
    Patent number: 8228018
    Abstract: A motor control system includes a motor unit and a controller unit electrically connected therewith. The motor unit includes a motor, a resolver detecting a rotational angle of the motor and a first memory storing first error data for detection by the resolver of the motor's rotational angle. The controller unit includes a second memory storing second error data for detection by the resolver of the motor's rotational angle and a motor controller determining an actual rotational angle of the motor according to the detected rotational angle detected by the resolver and the second error data in the second memory and controls the motor's rotation according to the determined actual rotational angle. The motor unit or the controller unit further includes an update section updating the second error data with the first error data according to motor data in the first and second memories.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: July 24, 2012
    Assignee: Sinfonia Technology Co., Ltd.
    Inventors: Masaru Okuizumi, Manabu Himeno
  • CONTROL SYSTEM FOR MOTOR
    Publication number: 20100237820
    Abstract: A motor control system includes a motor unit and a controller unit electrically connected therewith. The motor unit includes a motor, a resolver detecting a rotational angle of the motor and a first memory storing first error data for detection by the resolver of the motor's rotational angle. The controller unit includes a second memory storing second error data for detection by the resolver of the motor's rotational angle and a motor controller determining an actual rotational angle of the motor according to the detected rotational angle detected by the resolver and the second error data in the second memory and controls the motor's rotation according to the determined actual rotational angle. The motor unit or the controller unit further includes an update section updating the second error data with the first error data according to motor data in the first and second memories.
    Type: Application
    Filed: March 23, 2010
    Publication date: September 23, 2010
    Applicant: SINFONIA TECHNOLOGY CO., LTD.
    Inventors: Masaru OKUIZUMI, Manabu Himeno