Assignee
Inventors
- Tatsuo Naritomi (1 patents)
- Yoshinobu Toshida (1 patents)
- Toshiyuki Ohta (19 patents)
- Masaji Katsumaru (1 patents)
- Hisayuki Wada (10 patents)
- Takashi Banno (3 patents)
- Tadayuki Choshi (1 patents)
US Patent 5290015 · Granted Mar 1, 1994