Assignee
Inventors
- Yoshiaki Hasegawa (65 patents)
- Akihiko Ishibashi (70 patents)
- Nobuyuki Uemura (13 patents)
- Yuzaburo Ban (33 patents)
- Masahiro Kume (45 patents)
- Yoshihiro Hara (99 patents)
- Isao Kidoguchi (103 patents)
- Ayumu Tsujimura (24 patents)
US Patent 6030849 · Granted Feb 29, 2000