Assignee
Inventors
- Seok-Keun Koh (18 patents)
- Hyung Jin Jung (54 patents)
- Won Kook Choi (30 patents)
- Byung Ha Kang (9 patents)
- Ki Hwan Kim (188 patents)
- Sam-Chul Ha (19 patents)
- Cheol Hwan Kim (62 patents)
- Sung-Chang Choi (3 patents)
US Patent 7178584 · Granted Feb 20, 2007