Assignee
Inventors
- Seong-sin Joo (45 patents)
- In-sik Park (212 patents)
- Byung-in Ma (46 patents)
- Chong-sam Chung (125 patents)
- Jang-hoon Yoo (98 patents)
- Jung-wan Ko (427 patents)
- Kyung-geun Lee (383 patents)
- Joong-eon Seo (37 patents)
US Patent 7590034 · Granted Sep 15, 2009