Assignee
No assignee recorded.
Inventors
- Eiji Sezaki (5 patents)
- Takashi Mikami (44 patents)
- Tsuyoshi Kanai (14 patents)
- Toshio Yoshida (133 patents)
- Kikuo Tanaka (4 patents)
- Masaaki Saito (69 patents)
US Patent 4728692 · Granted Mar 1, 1988
No assignee recorded.