Assignee
Inventors
- Tsuginobu Totani (6 patents)
- Fumiyuki Katoh (5 patents)
- Kiyoshi Sasaki (24 patents)
- Yukio Iimura (23 patents)
- Jun Koike (44 patents)
- Masahiro Tamaki (24 patents)
- Yutaka Yamaguchi (95 patents)
US Patent 6144182 · Granted Nov 7, 2000