Patents by Inventor Kiyokazu ISHIYAMA

Kiyokazu ISHIYAMA 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: 9936136
    Abstract: Lens barrel 3 is provided with a first lens frame (first group lens frame 10) holding a first lens group (first group lens G1), a second lens frame (second group lens frame 20) holding a second lens group (second group lens G2), and resilient members (leaf springs 14). Second lens frame 20 is disposed inside of first lens frame 10, and furthermore, can be moved relatively to first lens frame 10 in the direction of optical axis AX. The resilient members (leaf springs 14) are disposed between first lens frame 10 and second lens frame 20 in such a manner as to urge second group lens frame 20 inward against first lens frame 10.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: April 3, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinichi Iwasaki, Akira Koga, Kiyokazu Ishiyama
  • LENS BARREL
    Publication number: 20170150057
    Abstract: Lens barrel 3 is provided with a first lens frame (first group lens frame 10) holding a first lens group (first group lens G1), a second lens frame (second group lens frame 20) holding a second lens group (second group lens G2), and resilient members (leaf springs 14). Second lens frame 20 is disposed inside of first lens frame 10, and furthermore, can be moved relatively to first lens frame 10 in the direction of optical axis AX. The resilient members (leaf springs 14) are disposed between first lens frame 10 and second lens frame 20 in such a manner as to urge second group lens frame 20 inward against first lens frame 10.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 25, 2017
    Inventors: Shinichi IWASAKI, Akira KOGA, Kiyokazu ISHIYAMA
  • Lens holding structure and method of manufacturing lens holding structure
    Patent number: 9229191
    Abstract: The lens holding structure of the disclosure includes a lens; and a holding frame including a seat surface and holding the lens, wherein an inclination in a yaw direction and an inclination in a pitch direction of the lens in a state where the lens is brought into contact with the seat surface are substantially equal to an inclination in a yaw direction and an inclination in a pitch direction of the lens in a state where the lens is held by the holding frame, and a clearance is formed between the lens and the seat surface.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: January 5, 2016
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Masahiro Kuwabara, Yoshihiro Ueno, Fumio Shinano, Kiyokazu Ishiyama
  • LENS HOLDING STRUCTURE AND METHOD OF MANUFACTURING LENS HOLDING STRUCTURE
    Publication number: 20140313593
    Abstract: The lens holding structure of the disclosure includes a lens; and a holding frame including a seat surface and holding the lens, wherein an inclination in a yaw direction and an inclination in a pitch direction of the lens in a state where the lens is brought into contact with the seat surface are substantially equal to an inclination in a yaw direction and an inclination in a pitch direction of the lens in a state where the lens is held by the holding frame, and a clearance is formed between the lens and the seat surface.
    Type: Application
    Filed: April 18, 2014
    Publication date: October 23, 2014
    Applicant: Panasonic Corporation
    Inventors: Masahiro KUWABARA, Yoshihiro UENO, Fumio SHINANO, Kiyokazu ISHIYAMA