Patents by Inventor Masazumi Yoshino

Masazumi Yoshino 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 equipment
    Patent number: 6906491
    Abstract: A motor controller is provided including a synchronous motor, a feed back detector for detecting the position and velocity of the rotor of the synchronous motor, a detector for detecting a magnetic pole position of the rotor of the synchronous motor, an inverter for controlling an electric power to be supplied to the synchronous motor, an estimator for estimating the magnetic pole position of the rotor of the synchronous motor, and a detector for detecting the abnormality of the feed back detector.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: June 14, 2005
    Assignees: Rockwell Automation Technologies, Inc., Reliance Electric Limited
    Inventors: Takayoshi Matsuo, Satoshi Tanabe, Masazumi Yoshino
  • Motor Controller
    Publication number: 20040257027
    Abstract: A motor controller is provided.
    Type: Application
    Filed: June 20, 2003
    Publication date: December 23, 2004
    Inventors: Takayoshi Matsuo, Satoshi Tanabe, Masazumi Yoshino