Assignee
Inventors
- Jong-Han Park (56 patents)
- Young Min Park (198 patents)
- Chang Seon Lee (20 patents)
- Sung Oh Choi (19 patents)
- Sung Chun Kim (34 patents)
- Seung Yong Chang (10 patents)
- Seok Ho Yoon (24 patents)
- Baik Young Chung (37 patents)
US Patent 7716941 · Granted May 18, 2010