Assignee
Inventors
- Shiro Kato (13 patents)
- Yoshihito Toyotomi (1 patents)
- Hirotake Tateishi (1 patents)
- Hiroshi Harada (13 patents)
- Naoyuki Yoshida (72 patents)
- Kazuo Morikage (2 patents)
- Yukiko Morikage (2 patents)
US Patent 6294555 · Granted Sep 25, 2001