Assignee
Inventors
- Hideaki Katayama (35 patents)
- Toshifumi Murakami (15 patents)
- Koji Soeda (11 patents)
- Yoshiya Kubota (7 patents)
- Shoji Okamoto (26 patents)
- Akinori Kubota (25 patents)
- Michihito Kobayashi (19 patents)
- Masaaki Ijiri (15 patents)
US Patent 5011392 · Granted Apr 30, 1991