Assignee
Inventors
- Akihiro Ohhashi (2 patents)
- Tadashi Okamoto (95 patents)
- Makoto Tachikawa (6 patents)
- Takeshi Katoh (19 patents)
- Noboru Azusawa (12 patents)
- Junichi Hamano (10 patents)
- Hitoshi Saitoh (19 patents)
US Patent 5581759 · Granted Dec 3, 1996