Patents by Inventor Akito Kondo

Akito Kondo 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).

  • Rotor for reluctance type rotating machine
    Patent number: 7057322
    Abstract: A rotor for a reluctance type rotating machine includes a rotor core formed by stacking a number of annular core materials each of which includes magnetic concave and convex portions alternately formed on an outer circumference thereof and a central through hole, the rotor core having a key axially extending on an outer circumference, the rotor core being divided into a plurality of blocks, the core materials constituting one of at least three blocks having the magnetic concave and convex portions shifted by a predetermined angle in one of a rotating direction of the rotor and a direction opposite the rotating direction of the rotor relative to a center line passing the key, the core materials constituting each one of the blocks located at both ends of the one block having the magnetic concave and convex portions shifted by a predetermined angle in the other of the rotating direction of the rotor and the direction opposite the rotating direction of the rotor relative to a center line passing the key, and a ro
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: June 6, 2006
    Assignees: Kabushiki Kaisha Toshiba, Aishin AW Co., Ltd., Toshiba Industrial Products Manufacturing Corporation
    Inventors: Takashi Araki, Masakatsu Matsubara, Motoyasu Mochizuki, Yukihiko Kazao, Masanori Arata, Yasuo Hirano, Nobutake Aikura, Akito Kondo, Masahiko Yamashiki, Masanori Ohashi, Takashi Hanai, Ken Takeda, Hiroshi Morohashi