Assignee
Inventors
- Nobuo Kato (69 patents)
- Yasuyoshi Sakai (14 patents)
- Yoshiki Tani (19 patents)
- Hiroshi Fukuya (9 patents)
- Masayuki Yagi (12 patents)
- Toshikatsu Sakai (7 patents)
- Kaori Ishimaru (13 patents)
- Satoshi Cyousa (1 patents)
US Patent 6033867 · Granted Mar 7, 2000