Assignee
Inventors
- Yong-Sun Lee (9 patents)
- Jai-Dong Lee (10 patents)
- Bong-Hyun Kim (27 patents)
- Man-Sug Kang (14 patents)
- Jung-Hwan Kim (161 patents)
- Hyun-Jin Shin (25 patents)
- Won-Seok Yoo (10 patents)
- Seung-Mok Shin (17 patents)
US Patent 7592227 · Granted Sep 22, 2009