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 5552375 · Granted Sep 3, 1996