Assignee
No assignee recorded.
Inventors
- Yoshihiko Nakahara (7 patents)
- Norihiro Tsujii (3 patents)
- Kenichi Nakanishi (75 patents)
- Katsuaki Terada (11 patents)
- Yuji Sakai (93 patents)
- Unknown
- Shinobu Ito (19 patents)
US Patent 4200051 · Granted Apr 29, 1980
No assignee recorded.