Patents by Inventor Kiyoniri Koga

Kiyoniri Koga 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).

  • SLIP RING DEVICE AND ROTARY ELECTRIC MACHINE USING THE SAME
    Publication number: 20120217840
    Abstract: A first slip ring and a second slip ring are put from both ends of a slip ring shaft, respectively, and are attached by shrink-fitting, the slip ring shaft being provided separately from a rotor shaft; the shaft diameter of a lead connecting portion is formed larger than the shaft diameters of respective slip ring attaching portions; and a coupling, which is attached by shrink-fitting to a shaft end portion on the rotor shaft side of the slip ring shaft after the first slip ring is attached by shrink-fitting, is provided.
    Type: Application
    Filed: February 17, 2011
    Publication date: August 30, 2012
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshihide Kikuichi, Kiyoniri Koga, Sachio Tomita