Patents by Inventor Sumio Yoshioka

Sumio Yoshioka 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).

  • Rotor of superconductive generator
    Patent number: 4532445
    Abstract: A torque tube is firmly connected in a damper and a thickness of the damper is more than two times of a thickness of the torque tube in a rotor of a superconductive generator. The rotor has excellent thermal and mechanical characteristics. The damper and the torque tube is formed in one piece and the torque tube is provided with a coil fitting part.
    Type: Grant
    Filed: February 2, 1984
    Date of Patent: July 30, 1985
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masatami Iwamoto, Shiro Nakamura, Masayuki Miyazaki, Sumio Yoshioka