Assignee
Inventors
- Ho Young Lee (207 patents)
- Ki Seok Son (6 patents)
- Da Won Chai (5 patents)
- No Ma Kim (104 patents)
- Sun Keun Kim (9 patents)
- Youk Reol Na (14 patents)
- Hyoung Woo Lee (8 patents)
- Heung Yeal Choi (14 patents)
US Patent 11339238 · Granted May 24, 2022