Assignee
Inventors
- Jong-Mook Kim (21 patents)
- Jung Seob Kim (9 patents)
- Sun-Mo Oh (1 patents)
- Jae-Seung Yoon (23 patents)
- Kwang-Hee Baek (1 patents)
- Soo-Il Chung (10 patents)
- Doo-Hong Park (5 patents)
- Yeup Yoon (5 patents)
US Patent 7422874 · Granted Sep 9, 2008