Assignee
Inventors
- Sei Kwang Hahn (17 patents)
- Eun Ju Oh (9 patents)
- Jung Kyu Park (73 patents)
- Kwang Bum Park (57 patents)
- Kyoung Ho Ryoo (6 patents)
- Seok Kyu Choi (3 patents)
- Dong Jun Yang (18 patents)
- Hyun Wook An (3 patents)
US Patent 8183229 · Granted May 22, 2012