Patents by Inventor Tamotu Kobayashi

Tamotu Kobayashi 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).

  • Armature in electrical rotary machine
    Patent number: 4341973
    Abstract: In the armature of an electrical rotary machine, each of the half coils printed on both surfaces of an insulating disc is made up of a radially extended linear conductor and inner and outer sloped conductors connected to the ends of the linear conductors, the half coils being connected to one another to form complete coils wound around the disc, and the inner conductor is extended along an involute line with a circle as its base circle, which is smaller in diameter than the circle which is formed by the inner ends of the winding conductors.
    Type: Grant
    Filed: July 17, 1980
    Date of Patent: July 27, 1982
    Assignee: Kabushiki Kaisha Yaskawa Denki Seisakusho
    Inventors: Yutaka Maruko, Susumu Sako, Tamotu Kobayashi