Assignee
Inventors
- Yoshio Kojima (37 patents)
- Tsutomu Okusawa (12 patents)
- Kuniyoshi Tsubouchi (15 patents)
- Yoichi Yoshinaga (6 patents)
- Yusuke Takagi (48 patents)
- Kenji Mitani (4 patents)
- Nobuo Hamano (15 patents)
US Patent 5101848 · Granted Apr 7, 1992