Patents by Inventor Yoh Wakamizu

Yoh Wakamizu 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 barrel and optical instrument
    Patent number: 8547653
    Abstract: The present invention provides a miniaturized lens barrel and optical instrument.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: October 1, 2013
    Assignee: Nikon Corporation
    Inventor: Yoh Wakamizu
  • LENS BARREL AND OPTICAL INSTRUMENT
    Publication number: 20110181967
    Abstract: The present invention provides a miniaturized lens barrel and optical instrument.
    Type: Application
    Filed: July 15, 2009
    Publication date: July 28, 2011
    Applicant: NIKON CORPORATION
    Inventor: Yoh Wakamizu
  • Driving apparatus, lens barrel and camera
    Patent number: 7936525
    Abstract: A driving apparatus of the present invention comprises: a lead screw which rotationally drives; and a follower section to hold a driven member L and to rectilinearly move based on rotation of the lead screw. The follower section comprises a first tooth and a second tooth that faced a side portion of the lead screw and are opposite to each other and a third tooth provided in a position different from those of the first tooth and the second tooth. When the follower section rectilinearly moves based on the rotation of the lead screw, power is transferred with the lead screw and the first tooth being engaged with each other, and the lead screw is in a non-contact state with the second tooth and the third tooth.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: May 3, 2011
    Assignee: Nikon Corporation
    Inventors: Yoh Wakamizu, Hitoshi Nishimoto
  • Camera and exchangeable lens barrel with wireless communication function
    Patent number: 7653296
    Abstract: A camera capable of conducting a wireless communication includes a wireless communication circuit and a wireless communication antenna. The wireless communication antenna, which is disposed at a non-metal movable member that can advance and retreat relative to a camera body, moves relative to the camera body.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: January 26, 2010
    Assignee: Nikon Corporation
    Inventors: Yoh Wakamizu, Shigemasa Sato, Hidefumi Ota
  • Driving apparatus, lens barrel and camera
    Publication number: 20080198486
    Abstract: A driving apparatus of the present invention comprises: a lead screw which rotationally drives; and a follower section to hold a driven member L and to rectilinearly move based on rotation of the lead screw. The follower section comprises a first tooth and a second tooth that faced a side portion of the lead screw and are opposite to each other and a third tooth provided in a position different from those of the first tooth and the second tooth. When the follower section rectilinearly moves based on the rotation of the lead screw, power is transferred with the lead screw and the first tooth being engaged with each other, and the lead screw is in a non-contact state with the second tooth and the third tooth.
    Type: Application
    Filed: February 8, 2008
    Publication date: August 21, 2008
    Applicant: NIKON CORPORATION
    Inventors: Yoh Wakamizu, Hitoshi Nishimoto
  • Camera and exchangeable lens barrel with wireless communication function
    Publication number: 20070098384
    Abstract: A camera capable of conducting a wireless communication includes a wireless communication circuit and a wireless communication antenna. The wireless communication antenna, which is disposed at a non-metal movable member that can advance and retreat relative to a camera body, moves relative to the camera body.
    Type: Application
    Filed: August 30, 2006
    Publication date: May 3, 2007
    Applicant: NIKON CORPORATION
    Inventors: Yoh Wakamizu, Shigemasa Sato, Hidefumi Ota