Assignee
Inventors
- Yoshimichi Hara (16 patents)
- Eiju Matsunaga (9 patents)
- Hiroyuki Kawata (88 patents)
- Akira Hukami (1 patents)
- Yutaka Suzuki (151 patents)
- Makoto Shiozaki (6 patents)
- Yuji Yokoya (21 patents)
- Yasuhiro Tsutsumi (18 patents)
US Patent 5013955 · Granted May 7, 1991