Assignee
Inventors
- Yukio Nakagome (8 patents)
- Kitsutaro Amano (3 patents)
- Taiichiro Nakai (8 patents)
- Yasuhiko Niiro (13 patents)
- Yoshihiro Ejiri (16 patents)
- Hitoshi Yamamoto (236 patents)
- Yoshihiko Yamazaki (11 patents)
US Patent 4422718 · Granted Dec 27, 1983