Assignee
Inventors
- Wakako Moriyama (6 patents)
- Naoki Kai (10 patents)
- Hiroaki Hazama (49 patents)
- Keiki Nagai (3 patents)
- Yuji Fukazawa (18 patents)
- Kazuo Saki (8 patents)
- Yoshio Ozawa (215 patents)
- Yasumasa Suizu (9 patents)
US Patent 6759314 · Granted Jul 6, 2004