Assignee
Inventors
- Jong-Sang Choi (17 patents)
- Seong Hyun Kim (63 patents)
- Sung Hyun Kim (171 patents)
- Sang Bum Kim (250 patents)
- Joong-Chul Yoon (22 patents)
- Sang-Wook Kang (33 patents)
- Chul-Joon Choi (15 patents)
US Patent 8783576 · Granted Jul 22, 2014