Patents by Inventor Byoung-Uck Choo

Byoung-Uck Choo 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).

  • Interchangeable lens for camera
    Patent number: D704759
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: May 13, 2014
    Assignee: Samyang Optics Co., Ltd.
    Inventors: Jong-Young Park, Byoung-Uck Choo, Dal-Gyu Kim, Han-Jea Lee
  • Interchangeable lens for camera combined with hood
    Patent number: D737357
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: August 25, 2015
    Assignee: Samyang Optics Co., Ltd.
    Inventors: Jong-Young Park, Byoung-Uck Choo, Dal-Gyu Kim, Han-Jea Lee
  • Interchangeable lens for camera combined with hood
    Patent number: D737358
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: August 25, 2015
    Assignee: SAMYANG OPTICS CO., LTD.
    Inventors: Jong-Young Park, Byoung-Uck Choo, Dal-Gyu Kim, Han-Jea Lee