Patents by Inventor Teruo Kichiji

Teruo Kichiji 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).

  • Twin-shaft concentric motor
    Patent number: 6355999
    Abstract: A twin-shaft concentric motor includes first and second stators arranged concentrically to each other; and first and second rotors formed between the first and second stators, the rotors being rotatable independently of each other. The twin-shaft concentric motor may also include first and second stator partition walls and first and second rotor partition walls for maintaining a vacuum side and an atmospheric side separated, respectively, so that the stators are located under atmospheric pressure while the rotors are located under vacuum pressure.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: March 12, 2002
    Assignee: Tamagawa Seiki Kabushiki Kaisha
    Inventors: Teruo Kichiji, Tadatomo Kimura