Patents by Inventor Chang-Rack Yoon

Chang-Rack Yoon 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).

  • Color correction apparatus for minimizing metamerism of color scanner and method therefor
    Patent number: 6337923
    Abstract: A color correction apparatus for minimizing a metamerism of a color scanner and a method therefor are disclosed.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: January 8, 2002
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chang-Rack Yoon, Maeng-Sub Cho, Byoung-Ho Kang, Jin-Seo Kim, Hong-Kee Kim, Kyu-Seo Han