Assignee
Inventors
- Takayuki Kawano (34 patents)
- Kaneyasu Ishikawa (2 patents)
- Nobuhiko Nishimura (22 patents)
- Iwami Ishihara (3 patents)
- Mitsushige Kumou (1 patents)
- Tamao Takatsu (5 patents)
- Takashi Inami (12 patents)
US Patent 6290904 · Granted Sep 18, 2001