Assignee
Inventors
- Kiyoshi Sawai (26 patents)
- Manabu Sakai (39 patents)
- Sadao Kawahara (19 patents)
- Shotaro Ito (9 patents)
- Yoshinori Kojima (29 patents)
- Michio Yamamura (31 patents)
- Shuichi Yamamoto (43 patents)
US Patent 5391066 · Granted Feb 21, 1995