Assignee
Inventors
- Na Young Kang (20 patents)
- Yong Ki Park (58 patents)
- Won Choon Choi (35 patents)
- Dae Jin Kim (81 patents)
- Hwi Min Seo (12 patents)
- Sunyoung Park (73 patents)
- Joo Hyeong Oh (1 patents)
- Sin Cheol Kang (5 patents)
US Patent 10131850 · Granted Nov 20, 2018