Assignee
Inventors
- Toshikazu Nishino (34 patents)
- Ushio Kawabe (37 patents)
- Yoshinobu Tarutani (21 patents)
- Shinya Kominami (11 patents)
- Toshiyuki Aida (26 patents)
- Tokuumi Fukazawa (21 patents)
- Mutsuko Hatano (88 patents)
US Patent 6069369 · Granted May 30, 2000