Assignee
Inventors
- Kang Heon Hur (68 patents)
- Sang Hoon Kwon (20 patents)
- Doo Young Kim (153 patents)
- Eun Sang Na (12 patents)
- Byung Gyun Kim (2 patents)
- Seok Joon Hwang (3 patents)
- Kyoung Jin Jun (9 patents)
- Hye Young Choi (40 patents)
US Patent 8248752 · Granted Aug 21, 2012