Assignee
Inventors
- Shigefumi Katsura (7 patents)
- Atsushi Yuki (9 patents)
- Masuto Shimizu (6 patents)
- Toshiaki Amagasa (19 patents)
- Kanji Hayashi (54 patents)
- Shozo Tashiro (7 patents)
- Tetsuo Ichikizaki (9 patents)
US Patent 5951220 · Granted Sep 14, 1999