Assignee
Inventors
- Akihito Iwai (3 patents)
- Hiroshi Wada (184 patents)
- Katsumi Matsumoto (51 patents)
- Sosuke Naito (3 patents)
- Yoshihiko Imai (9 patents)
- Hideki Nakamura (142 patents)
- Hiroaki Tanaka (401 patents)
US Patent 5877105 · Granted Mar 2, 1999