Patents by Inventor Kiyoshi Takatsuka

Kiyoshi Takatsuka 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).

  • Patent number: 3955410
    Abstract: A method for measuring a driving power by means of an induction motor is disclosed, in which a power drive apparatus to be measured is coupled to a rotary shaft of the induction motor, an electric current is fed to said induction motor while driving said induction motor into rotation at a speed higher than its rated r.p.m., and the driving power of said power drive apparatus to be measured is determined by measuring a voltage, current and r.p.m. of said induction motor.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: May 11, 1976
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Takeshi Wakabayashi, Kiyoshi Takatsuka, Akira Takagi