Assignee
Inventors
- Yoon-Hyeung Cho (111 patents)
- Yo Han Kim (50 patents)
- Byoung-Duk Lee (56 patents)
- Yong Tack Kim (12 patents)
- Jong Jin Park (223 patents)
- Yun-Ah Chung (19 patents)
- Young-Cheol Joo (30 patents)
US Patent 11489021 · Granted Nov 1, 2022