Assignee
Inventors
- Young-Sam Oh (9 patents)
- Young-Soon Baek (8 patents)
- Won-Ihl Cho (2 patents)
- Taek-Yong Song (6 patents)
- Jeong-Hwan Lee (81 patents)
- Sang-Eon Park (31 patents)
- Ki Won Jun (33 patents)
- Ri-Sang Choi (4 patents)
US Patent 7214251 · Granted May 8, 2007