Patents by Inventor Dal-Gyu Kim

Dal-Gyu Kim 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: D684207
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: June 11, 2013
    Assignee: Samyang Optics Co., Ltd.
    Inventor: Dal-Gyu Kim
  • 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
  • Camera lens
    Patent number: D764562
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: August 23, 2016
    Assignee: SAMYANG OPTICS CO., LTD
    Inventors: Eun-Jin Kim, Dal-Gyu Kim
  • Camera lens
    Patent number: D768224
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: October 4, 2016
    Assignee: SAMYANG OPTICS CO., LTD
    Inventors: Eun-Jin Kim, Dal-Gyu Kim
  • Interchangeable lens for camera
    Patent number: D783078
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: April 4, 2017
    Assignee: Samyang Optics Co., Ltd.
    Inventors: Dal Gyu Kim, Eun Jin Kim