Assignee
Inventors
- Myeong Woo Han (54 patents)
- Nam Ki KIM (54 patents)
- Young Sik Hur (60 patents)
- Yong-Serk Kim (14 patents)
- Keum Cheol Hwang (12 patents)
- Nam Heung Kim (16 patents)
- Jeong Ki Ryoo (64 patents)
US Patent 11283175 · Granted Mar 22, 2022