Assignee
Inventors
- Kozo Wada (8 patents)
- Etsurou Hirai (3 patents)
- Kazuya Tsurusaki (16 patents)
- Yuuji Asahara (6 patents)
- Kwang-Hee Han (18 patents)
- Jae-Young Lee (583 patents)
- Kyung-Zoon Min (7 patents)
- Kwang-Hum Han (1 patents)
US Patent 6222167 · Granted Apr 24, 2001