Patents by Inventor Yukio Kunisada

Yukio Kunisada 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, camera equipped with the lens barrel and method of assembling the lens barrel
    Patent number: 7635228
    Abstract: A lens barrel including a first moving lens group for advancing light of a subject onto an image plane, a second moving lens group for advancing light of the subject onto the image plane, a shaft section for guiding the first moving lens group and the second moving lens group in a direction of an optical axis, an intermediate positioning section for supporting the shaft section at an intermediate portion of the shaft section, and an end positioning section for supporting one end of the shaft section, wherein the first moving lens group slides on a portion of the shaft section that is closer to the subject than the intermediate positioning section is, and wherein the second moving lens group slides on a portion of the shaft section that is closer to the image plane than the intermediate positioning section is.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: December 22, 2009
    Assignee: Konica Minolta Opto, Inc.
    Inventors: Isao Ishimoda, Yukio Kunisada
  • Lens barrel, camera equipped with the lens barrel and method of assembling the lens barrel
    Publication number: 20060093347
    Abstract: A lens barrel including a first moving lens group for advancing light of a subject onto an image plane, a second moving lens group for advancing light of the subject onto the image plane, a shaft section for guiding the first moving lens group and the second moving lens group in a direction of an optical axis, an intermediate positioning section for supporting the shaft section at an intermediate portion of the shaft section, and an end positioning section for supporting one end of the shaft section, wherein the first moving lens group slides on a portion of the shaft section that is closer to the subject than the intermediate positioning section is, and wherein the second moving lens group slides on a portion of the shaft section that is closer to the image plane than the intermediate positioning section is.
    Type: Application
    Filed: October 27, 2005
    Publication date: May 4, 2006
    Applicant: Konica Minolta Opto, Inc.
    Inventors: Isao Ishimoda, Yukio Kunisada