Patents by Inventor Yoshiharu Wakatsuki

Yoshiharu Wakatsuki 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).

  • Small-sized vibrating motor
    Publication number: 20040091127
    Abstract: This invention has a cup-shaped external case 15 with a rising tube 15b in the center of the closed face 15c, the external case 15 accommodating the stator and rotor and the end of the shaft 1 opposite that where the brush seat 10 is assembled, such that by fitting the end of the shaft 1 into the rising tube from the inside of the external case 15, the external case 15 is held in a position parallel to the shaft 1, and such that by fitting the brush seat 10 into the open end of the external case 15, the external case 15 is held in place by the shaft 1 and the brush seat 10.
    Type: Application
    Filed: June 10, 2003
    Publication date: May 13, 2004
    Inventors: Hisafumi Yasuda, Yoshiharu Wakatsuki