Assignee
Inventors
- Yunosuke Maki (1 patents)
- Youichi Watanabe (21 patents)
- Yasuhiko Sakaguchi (10 patents)
- Kazuaki Tanaka (64 patents)
- Yuichi Kobayashi (59 patents)
- Hideo Ooishi (1 patents)
- Minoru Kobayashi (123 patents)
US Patent 4758117 · Granted Jul 19, 1988