Assignee
Inventors
- Yun-Sang Lee (48 patents)
- Dong Seok Kang (21 patents)
- Sang-Beom Kang (67 patents)
- Chan-kyung Kim (51 patents)
- Chul-Woo Park (155 patents)
- Dong-Hyun Sohn (29 patents)
- Hyung-Rok Oh (60 patents)
US Patent 9183910 · Granted Nov 10, 2015