Assignee
Inventors
- Sang Hyun Ahn (15 patents)
- Young Hun Jeong (21 patents)
- Choun Sung Kang (11 patents)
- Yong Ik Hwang (11 patents)
- Yong Seok Lee (59 patents)
- Hee Kyung LEE (19 patents)
- Chi Yong Kim (6 patents)
US Patent 9846273 · Granted Dec 19, 2017