Assignee
No assignee recorded.
Inventors
- Unknown
- Hee Lak Lee (5 patents)
- Unknown
- Choong Hwan Lee (10 patents)
- Byung-Sub Kim (13 patents)
- Jae Hwa Choi (6 patents)
- Su Jeong Lee (13 patents)
US Patent 10581102 · Granted Mar 3, 2020
No assignee recorded.