Patents by Inventor Houng Joon Kim

Houng Joon Kim 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).

  • Transport system and dynamo-electric machine
    Publication number: 20060033402
    Abstract: A dynamo-electric machine has a stator with a primary winding and a rotor with a field magnet and a shaft. the field magnet includes a first field magnet having different polarity magnetic poles sequentially arranged in a rotation direction and a second field magnet having different polarity magnetic poles sequentially arranged in a rotation direction. The machine further has a mechanism for shifting the first and the second field magnets in axial and rotation directions.
    Type: Application
    Filed: October 25, 2005
    Publication date: February 16, 2006
    Applicant: Hitachi, Ltd.
    Inventors: Houng Joon Kim, Shigeta Ueda