Assignee
Inventors
- Yong-jun Cho (11 patents)
- Pyong-yong Seong (64 patents)
- Seung-man Han (6 patents)
- Hyun-seob Choi (10 patents)
- Eun-goo Kim (8 patents)
- Jong-koog Lee (6 patents)
- Kun-soo Kim (9 patents)
- Chun Gi Kim (8 patents)
US Patent 7251209 · Granted Jul 31, 2007