Assignee
Inventors
- Toyokazu Yanagimichi (2 patents)
- Harumasa Kajita (4 patents)
- Tetsuo Kariya (3 patents)
- Toshikazu Wakabayashi (18 patents)
- Ichiro Kawashima (12 patents)
- Satoshi Nakanami (3 patents)
- Masami Tanaka (83 patents)
US Patent 5230019 · Granted Jul 20, 1993