Assignee
Inventors
- Kyoung-Hun Kim (19 patents)
- Seong Hyun Kim (63 patents)
- Jong-Hoon Shin (37 patents)
- Yong Joo Park (12 patents)
- Zang-Hee Cho (21 patents)
- Jong-Sang Choi (17 patents)
- Jeon-Taek Im (13 patents)
US Patent 7520438 · Granted Apr 21, 2009