Assignee
Inventors
- Hiroyuki Iwahara (11 patents)
- Keiji Aruga (33 patents)
- Mitsuaki Yoshida (16 patents)
- Yasuyoshi Asao (2 patents)
- Yasuhiro Miura (20 patents)
- Tsuneyori Ino (15 patents)
- Terushige Arai (2 patents)
- Kazunori Tochiyama (12 patents)
US Patent 6373654 · Granted Apr 16, 2002