Assignee
Inventors
- Chwang Siek Pak (6 patents)
- Eun Bok Choi (3 patents)
- Gyu Hwan Yon (6 patents)
- Heui Cheol Yang (3 patents)
- Hyeon-Kyu Lee (13 patents)
- Ge Hyeong Lee (6 patents)
- Jin-Pyo Lee (4 patents)
- Gyung-Ja Choi (6 patents)
US Patent 5707931 · Granted Jan 13, 1998