Assignee
Inventors
- Chang Hyun Ko (18 patents)
- Jeong Geol Na (5 patents)
- Jong Nam Kim (31 patents)
- Kwang Bok Yi (4 patents)
- Sung Youl PARK (4 patents)
- Jong-Ho Park (140 patents)
- Hee Tae Beum (17 patents)
- Bo Yi (8 patents)
US Patent 8513475 · Granted Aug 20, 2013