Patents by Inventor Koji IDEMITSU

Koji IDEMITSU 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 imaging device equipped with the lens barrel
    Patent number: 10012817
    Abstract: A lens barrel in the present disclosure includes: a lens frame; a movable lens held in the lens frame; a guide member that moves the lens frame in a first direction; a driver including a drive coil and a magnet that move the lens frame with electric power being supplied to the driver; a drive circuit that drives the driver; and a switching circuit that short-circuits ends of the drive coil when the drive circuit is in a non-energized state.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: July 3, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Koji Idemitsu, Hironori Honsho, Masahiro Inata
  • LENS BARREL AND IMAGING DEVICE EQUIPPED WITH THE LENS BARREL
    Publication number: 20160282579
    Abstract: A lens barrel in the present disclosure includes: a lens frame; a movable lens held in the lens frame; a guide member that moves the lens frame in a first direction; a driver including a drive coil and a magnet that move the lens frame with electric power being supplied to the driver; a drive circuit that drives the driver; and a switching circuit that short-circuits ends of the drive coil when the drive circuit is in a non-energized state.
    Type: Application
    Filed: March 22, 2016
    Publication date: September 29, 2016
    Inventors: Koji IDEMITSU, Hironori HONSHO, Masahiro INATA