Assignee
Inventors
- Kiyoyuki Higuchi (3 patents)
- Hirokazu Maeda (45 patents)
- Hiroshi Hidaka (39 patents)
- Hiroshi Iwasa (34 patents)
- Yoshitaka Ebihara (9 patents)
- Kazuhito Asahara (2 patents)
- Hayato Kubota (11 patents)
US Patent 4795569 · Granted Jan 3, 1989