Assignee
Inventors
- Hai-sub Na (9 patents)
- Woo Suk Choi (12 patents)
- Chul Han Kwon (8 patents)
- Sung Hwa Lee (51 patents)
- Young-ki Hong (57 patents)
- Kyeong-Wook Heo (14 patents)
- Jin-Ho Choy (9 patents)
- Yang Su Han (4 patents)
US Patent 6576589 · Granted Jun 10, 2003