Assignee
No assignee recorded.
Inventors
- Akihiro Kanakura (12 patents)
- Yoshio Eguchi (27 patents)
- Ryuzo Mizuguchi (57 patents)
- Mitsuhiro Takarada (31 patents)
- Yoshio Okamura (14 patents)
- Hideyuki Itoh (14 patents)
US Patent 4916195 · Granted Apr 10, 1990
No assignee recorded.