Patents by Inventor Suezo Yuzawa

Suezo Yuzawa 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).

  • Brushless motor
    Patent number: 4866324
    Abstract: The present invention relates to a brushless motor which utilizes part of the motor housing, which is formed by a plastic mixed with particles or fibers of a magnetic material, as a stator yoke.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: September 12, 1989
    Assignees: Canon Kabushiki Kaisha, Canon Seki Kabushiki Kaisha
    Inventors: Suezo Yuzawa, Masafumi Yamakawa, Takao Shibayama