Assignee
Inventors
- Hiroyuki Iwahara (11 patents)
- Keiji Aruga (33 patents)
- Yoshinori Ogawa (47 patents)
- Yoshiaki Koizumi (94 patents)
- Mitsuhiro Izumi (34 patents)
- Mitsuaki Yoshida (16 patents)
- Yasuhiro Miura (20 patents)
US Patent 6466400 · Granted Oct 15, 2002