Patents by Inventor Takehiro Kano

Takehiro Kano 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
    Patent number: 9778435
    Abstract: The present invention provides a lens barrel applicable to digital cameras, image pickup devices and cell phones. The lens barrel is small, low-cost and high-performance, and can suppress, by means of a simple mechanism provided in the lens barrel, a variation in the focal position of the lens barrel caused by the change in temperature. The lens barrel comprises a lens group consisting of a plurality of lenses and a lens chamber for holding the lens group. An elastic member is provided between a set of adjacent lenses of the lens group, for urging the set of adjacent lenses in an optical axis direction of the lenses.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: October 3, 2017
    Assignee: JCD (Guang Zhou) Optical Corporation Limited
    Inventors: Hiroshi Wakabayashi, Takehiro Kano, Bo Chen
  • Lens Barrel
    Publication number: 20140340771
    Abstract: The present invention provides a lens barrel applicable to digital cameras, image pickup devices and cell phones. The lens barrel is small, low-cost and high-performance, and can suppress, by means of a simple mechanism provided in the lens barrel, a variation in the focal position of the lens barrel caused by the change in temperature. The lens barrel comprises a lens group consisting of a plurality of lenses and a lens chamber for holding the lens group. An elastic member is provided between a set of adjacent lenses of the lens group, for urging the set of adjacent lenses in an optical axis direction of the lenses.
    Type: Application
    Filed: May 14, 2013
    Publication date: November 20, 2014
    Applicant: JCD (Guang Zhou) Optical Corporation Limited
    Inventors: Hiroshi Wakabayashi, Takehiro Kano, Bo Chen