Assignee
Inventors
- Hiromu Kitaura (31 patents)
- Mitsuo Isobe (32 patents)
- Isao Kawahara (18 patents)
- Yoshio Hirauchi (6 patents)
- Yuichi Ninomiya (37 patents)
- Yoshimichi Ohtsuka (21 patents)
- Yoshinori Izumi (18 patents)
US Patent 5008753 · Granted Apr 16, 1991