Assignee
Inventors
- Seizo Kobayashi (15 patents)
- Takashi Mizoe (12 patents)
- Yoshimu Iwanami (13 patents)
- Shigeki Yokoyama (52 patents)
- Kazuhiko Kurihara (43 patents)
- Hiroshi Yazawa (46 patents)
- Mihoko Okada (2 patents)
US Patent 5106555 · Granted Apr 21, 1992