Patents by Inventor Bong-Tae So

Bong-Tae So 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).

  • Hood for camera lens
    Patent number: D720792
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: January 6, 2015
    Assignee: Samyang Optics Co., Ltd.
    Inventors: Bong-Tae So, Hyun-Sik Yun
  • Interchangeable lens for camera
    Patent number: D726239
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: April 7, 2015
    Assignee: Samyang Optics Co., Ltd.
    Inventors: Bong-Tae So, Jung-Du Lee, Hyun-Sik Yun