Assignee
Inventors
- Masuji Izubayashi (12 patents)
- Masatoshi Yoshida (84 patents)
- Toshiaki Matsunaga (11 patents)
- Kohei Hori (11 patents)
- Teruo Kikuta (7 patents)
- Shiro Nakano (43 patents)
- Hidetoshi Hatta (7 patents)
US Patent 5087603 · Granted Feb 11, 1992