Patents by Inventor Ryohei Saji

Ryohei Saji 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).

  • Method of manufacturing rotary electric machine
    Patent number: 5745977
    Abstract: An armature core composed of a plurality of thin plates having a plurality of slots and a center hole is provided. Then, lower coil bars and subsequently upper coil bars are placed in the respective slots with insulators so that a coil end portion of one of the lower coil bars in one of the slots and a coil end portion of one of the upper coil bars in another slot meet together. After the meeting-coil-end portions are welded, a shaft is inserted to the center hole.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: May 5, 1998
    Assignee: Nippondenso Co., Ltd.
    Inventors: Hideki Ichikawa, Ryohei Saji