Assignee
Inventors
- Yasuyuki Eda (9 patents)
- Hiroaki Maeda (38 patents)
- Keiichi Makizumi (4 patents)
- Kouichi Shiosaki (3 patents)
- Kiyoshi Osatomi (3 patents)
- Kazuhiko Kimachi (12 patents)
- Hirofumi Higuchi (9 patents)
- Sachio Tokiyoshi (16 patents)
US Patent 6114143 · Granted Sep 5, 2000