Assignee
Inventors
- Toshihiro Omatsu (8 patents)
- Yasuo Tokitoh (17 patents)
- Noriaki Yoshimura (27 patents)
- Masao Ishida (1 patents)
- Makoto Yano (1 patents)
- Koji Hirai (1 patents)
- Yoichi Matsumoto (1 patents)
- Keiji Kubo (39 patents)
US Patent 4935488 · Granted Jun 19, 1990