Assignee
Inventors
- Jea Shik Shin (55 patents)
- Seong Chan Jun (12 patents)
- Yun Kwon Park (169 patents)
- In-sang Song (159 patents)
- Young Il Kim (242 patents)
- Duck Hwan Kim (77 patents)
- Chul Soo Kim (121 patents)
US Patent 8378757 · Granted Feb 19, 2013