Assignee
Inventors
- Takitaro Yamaguchi (26 patents)
- Ryuichi Shimizu (27 patents)
- Hyun-Jei Chung (7 patents)
- Cheol-Soo Jung (25 patents)
- Hyeong-Gon Noh (13 patents)
- Eui-Hwan Song (41 patents)
- Joong-Hun Kim (14 patents)
US Patent 7491471 · Granted Feb 17, 2009