Assignee
Inventors
- Duk Hun Jang (9 patents)
- Byung Guk Kim (14 patents)
- Young Sik Eom (3 patents)
- Sung Yeol CHOI (7 patents)
- Sang Gon Kim (21 patents)
- Jin Sook Ryu (50 patents)
- Sun Ok Oh (5 patents)
- Hyung Sam CHOI (7 patents)
US Patent 11377556 · Granted Jul 5, 2022