Assignee
Inventors
- Chil Young Ji (7 patents)
- Yong Jun Ko (6 patents)
- Seung Hwa Kwon (3 patents)
- Sang-Won Seo (24 patents)
- Chul Hwan Kim (37 patents)
- Jeong Gi Seo (8 patents)
- Do Han Jun (1 patents)
- Wan Seop Choi (4 patents)
US Patent 9748899 · Granted Aug 29, 2017