Patents by Inventor Yoshikazu Kinashi

Yoshikazu Kinashi 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).

  • Stator of dynamo-electric machine
    Patent number: 5583387
    Abstract: A stator of a dynamo-electric machine includes core pieces obtained by laminating iron plates divided in a circumferential direction per pole-tooth unit and having projecting and recessed engaging parts at their dividing faces, and then welding the iron plates by laser at their inner and outer peripheries. A winding part is formed around each pole-tooth unit of the core pieces. A predetermined number of the core pieces are bonded into the loop, with the projecting and recessed engaging parts engaged with each other and rigidly welded at outer peripheries of bonding faces by laser in a laminating direction.
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: December 10, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Manabu Takeuchi, Mikio Hirano, Yoshikazu Kinashi, Yukitoshi Wada