Assignee
Inventors
- Sung-Kweon Park (27 patents)
- Won-Suk Yang (38 patents)
- Yun-Je Oh (232 patents)
- Joon-Oo Kim (40 patents)
- Jeong-Rok Park (12 patents)
- Sang-Mook Lee (23 patents)
- Jin-Serk Baik (8 patents)
- Do Young Ha (9 patents)
US Patent 8049618 · Granted Nov 1, 2011