Patents by Inventor Yoji Fujimura

Yoji Fujimura 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).

  • Lens driving apparatus
    Patent number: 8218406
    Abstract: A lens driving apparatus that can be installed in an optical unit. The lens driving apparatus includes a lead screw rotated by rotation of a motor, a lens holder movable reciprocally along a rotation axis line of the lead screw by rotation of the lead screw, a guide shaft extending in parallel with the rotation axis line. The guide shaft passes through the lens holder to guide movement of a lens held at a free end of the lens holder in a cantilevered state.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: July 10, 2012
    Assignee: Nidec Copal Corporation
    Inventors: Haruki Oe, Toru Ishimasa, Yoji Fujimura, Kenichi Watabe
  • Lens driving apparatus
    Publication number: 20100054101
    Abstract: A lens driving apparatus installed into an optical unit, includes a lead screw rotated by a rotation of a motor, a lens holder moved reciprocally along a rotation axis line of the lead screw by a rotation of the lead screw, a guide shaft extended in parallel with the rotation axis line, and passing through the lens holder to guide, and a lens held at a free end of the lens holder in a cantilever state.
    Type: Application
    Filed: May 19, 2009
    Publication date: March 4, 2010
    Inventors: Haruki Oe, Toru Ishimasa, Yoji Fujimura, Kenichi Watanabe