Patents by Inventor Tetuaki Nagano

Tetuaki Nagano 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).

  • Induction motor controller
    Patent number: 6066934
    Abstract: The invention is an induction motor controller for measuring electrical constants of a polyphase induction motor (102) by supplying test power thereto and controlling driving of the polyphase induction motor with a polyphase inverter (105) by using parameters for controlling driving of a result of the measurement.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: May 23, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toshiyuki Kaitani, Tetuaki Nagano, Akira Imanaka, Yasuhiro Shiraishi