Assignee
Inventors
- Cheong-soo Park (2 patents)
- Jong-jun Kim (12 patents)
- Douk-young Song (4 patents)
- Won-chul Cho (5 patents)
- Jung Ho Bae (5 patents)
- Young-ho Yu (3 patents)
- Hee-yun Chung (4 patents)
- Ki-yun Jo (3 patents)
US Patent 9519139 · Granted Dec 13, 2016