Assignee
Inventors
- Shigeo Kurando (18 patents)
- Hiromi Sakata (48 patents)
- Masami Yamada (54 patents)
- Hidehiro Tabuchi (18 patents)
- Yukio Hashimoto (37 patents)
- Yoshinobu Takemura (6 patents)
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Skip to contentUS Patent 4939542 · Granted Jul 3, 1990