Assignee
Inventors
- Yasushi Hisaoka (4 patents)
- Yoshio Yamane (6 patents)
- Hidenobu Murakami (6 patents)
- Yoshimi Kinoshita (11 patents)
- Hiroaki Tobuse (5 patents)
- Kazuo Yoshida (101 patents)
- Takashi Ishii (120 patents)
- Hiroshi Koizumi (112 patents)
US Patent 5393255 · Granted Feb 28, 1995