Assignee
Inventors
- Jiro Moriyama (142 patents)
- Yutaka Koizumi (115 patents)
- Shoji Koike (134 patents)
- Yoshinobu Shimomura (6 patents)
- Toshiaki Hirosawa (81 patents)
- Torachika Osada (51 patents)
- Kyoko Fukushima (13 patents)
US Patent 5997122 · Granted Dec 7, 1999