Assignee
Inventors
- Seung Taek Lim (15 patents)
- Mun-Pyo Hong (111 patents)
- Nam-Seok Roh (86 patents)
- Young-Joo Song (24 patents)
- Sang-Ki Kwak (31 patents)
- Kwon-Young Choi (24 patents)
- Keun-Kyu Song (113 patents)
US Patent 7659625 · Granted Feb 9, 2010