Assignee
Inventors
- Young Chan Ko (21 patents)
- Il Seok Choi (6 patents)
- Cheol-Hyun Kim (5 patents)
- Kwang Soo Yoon (3 patents)
- Seung Joo Kim (24 patents)
- Kil-Yeong Choi (26 patents)
- Jae-heung Lee (37 patents)
- Kyong Soon Lee (3 patents)
US Patent 6423812 · Granted Jul 23, 2002