Assignee
No assignee recorded.
Inventors
- Teizi Urakami (11 patents)
- Mitsunori Oda (9 patents)
- Chieko Itoh (3 patents)
- Hisao Kobayashi (2 patents)
- Toshio Nagai (2 patents)
- Kazuhiro Sugamura (3 patents)
US Patent 5236930 · Granted Aug 17, 1993
No assignee recorded.