Patents by Inventor Kazuyoshi Fukunaga

Kazuyoshi Fukunaga 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).

  • Linear oscillatory actuator
    Patent number: 6867511
    Abstract: A low cost, highly reliable linear oscillatory actuator comprising a yoke formed of magnetic material; an excitation coil wound on the yoke; and two permanent ring magnets arranged around the yoke and integrably set face-to-face on a common magnetic pole along the axial direction.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: March 15, 2005
    Inventors: Kazuyoshi Fukunaga, Yasuhiro Fukui
  • Linear oscillatory actuator
    Publication number: 20030127918
    Abstract: A low cost, highly reliable linear oscillatory actuator comprising a yoke formed of magnetic material; an excitation coil wound on the yoke; and two permanent ring magnets arranged around the yoke and integrably set face-to-face on a common magnetic pole along the axial direction.
    Type: Application
    Filed: December 4, 2002
    Publication date: July 10, 2003
    Inventors: Kazuyoshi Fukunaga, Yasuhiro Fukui