Assignee
Inventors
- Woong-Hee Sohn (27 patents)
- Chang-Won Lee (78 patents)
- Sun-Pil Youn (35 patents)
- Gil-Heyun Choi (154 patents)
- Byung-Hak Lee (33 patents)
- Jong-Ryeol Yoo (27 patents)
- Hee-Sook Park (71 patents)
US Patent 7772637 · Granted Aug 10, 2010