Assignee
Inventors
- Myeong Woo Han (54 patents)
- Dae Ki LIM (45 patents)
- Yong-Serk Kim (14 patents)
- Keum Cheol Hwang (12 patents)
- Nam Heung Kim (16 patents)
- Won Cheol LEE (30 patents)
- Young Sik Hur (60 patents)
US Patent 11121477 · Granted Sep 14, 2021