Assignee
Inventors
- Dong Ki Yoon (13 patents)
- Shi-Yong Yi (23 patents)
- Seong-woon Choi (28 patents)
- Seok-Hwan Oh (31 patents)
- Kwang-Sub Yoon (23 patents)
- Myeong-Cheol Kim (86 patents)
- Young-Ju Park (33 patents)
US Patent 8263487 · Granted Sep 11, 2012