Assignee
Inventors
- Akihide Kurata (1 patents)
- Katsuaki Wakahara (1 patents)
- Kazuhiko Kurihara (43 patents)
- Hiroshi Yazawa (46 patents)
- Toshikazu Oishi (4 patents)
- Shuichi Murakami (136 patents)
- Yukio Matsumura (9 patents)
- Yoichi Mazawa (8 patents)
US Patent 5307609 · Granted May 3, 1994