Patents by Inventor Junka OKAMOTO

Junka OKAMOTO 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).

  • Rotating electric machine
    Patent number: 10707712
    Abstract: A rotor in a rotating electric machine including a rotor main body and at least one magnet unit provided at an outer circumferential part of the rotor main body. The magnet unit has a plurality of magnet teeth as segments in the circumferential direction. The plurality of magnet teeth that form one magnet unit are arranged in a circular arc shape. At least one pair of magnet teeth in one magnet unit is each provided with a notch. With the plurality of magnet teeth being arranged in the circular arc shape, a fixation block is press-fitted in the pair of notches. The fixation block is fastened to the rotor main body while being inserted in the notches.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: July 7, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takashi Umeda, Hiroki Kitani, Junka Okamoto
  • ROTATING ELECTRIC MACHINE
    Publication number: 20180287443
    Abstract: A rotor in a rotating electric machine including a rotor main body and at least one magnet unit provided at an outer circumferential part of the rotor main body. The magnet unit has a plurality of magnet teeth as segments in the circumferential direction. The plurality of magnet teeth that form one magnet unit are arranged in a circular arc shape. At least one pair of magnet teeth in one magnet unit is each provided with a notch. With the plurality of magnet teeth being arranged in the circular arc shape, a fixation block is press-fitted in the pair of notches. The fixation block is fastened to the rotor main body while being inserted in the notches.
    Type: Application
    Filed: November 27, 2015
    Publication date: October 4, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takashi UMEDA, Hiroki KITANI, Junka OKAMOTO