Patents by Inventor Mitsuo Kano

Mitsuo 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).

  • Patent number: 7242534
    Abstract: A lens unit in which at least one of a subject side lens group and an image side lens group is moved toward an image side to be retracted along an optical axial direction, including a subject side lens group supporting frame to support the subject side lens group, an image side lens group supporting frame to support the image side lens group, a guide member to guide the image side lens group supporting frame from a predetermined position on the subject side to the image side by a predetermined length in parallel to an optical axis, and a moving and displacing device to move the image side lens group supporting frame from the predetermined position on the subject side to the image side by length longer than the predetermined length in parallel to the optical axis, and displace the image side lens group supporting frame from an optical path.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: July 10, 2007
    Assignee: Konica Minolta Photo Imaging, Inc.
    Inventors: Mitsuo Kano, Yoshito Katagiri
  • Publication number: 20060012887
    Abstract: A lens unit in which at least one of a subject side lens group and an image side lens group is moved toward an image side to be retracted along an optical axial direction, including a subject side lens group supporting frame to support the subject side lens group, an image side lens group supporting frame to support the image side lens group, a guide member to guide the image side lens group supporting frame from a predetermined position on the subject side to the image side by a predetermined length in parallel to an optical axis, and a moving and displacing device to move the image side lens group supporting frame from the predetermined position on the subject side to the image side by length longer than the predetermined length in parallel to the optical axis, and displace the image side lens group supporting frame from an optical path.
    Type: Application
    Filed: July 5, 2005
    Publication date: January 19, 2006
    Applicant: Konica Minolta Photo Imaging, Inc.
    Inventors: Mitsuo Kano, Yoshito Katagiri
  • Patent number: 6522840
    Abstract: A camera includes: a lens barrel holding a zoom lens; a zoom viewfinder optical system having a variable magnification lens to be moved in the optical axis direction; a cam pin integrally provided on the variable magnification lens; and a cam member to move the variable magnification lens being interlocked with the movement of the lens barrel. The cam member has the cam surface provided with a protruded portion which comes into contact with only a portion of a side wall of the cam pin.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: February 18, 2003
    Assignee: Konica Corporation
    Inventors: Mitsuo Kano, Kenichi Iwaida
  • Publication number: 20010005453
    Abstract: A camera includes: a lens barrel holding a zoom lens; a zoom viewfinder optical system having a variable magnification lens to be moved in the optical axis direction; a cam pin integrally provided on the variable magnification lens; and a cam member to move the variable magnification lens being interlocked with the movement of the lens barrel. The cam member has the cam surface provided with a protruded portion which comes into contact with only a portion of a side wall of the cam pin.
    Type: Application
    Filed: December 19, 2000
    Publication date: June 28, 2001
    Applicant: KONICA CORPORATION
    Inventors: Mitsuo Kano, Kenichi Iwaida