Assignee
Inventors
- Masayuki Kurihara (8 patents)
- Iwao Uchikado (4 patents)
- Yoshio Kimura (89 patents)
- Tetsuya Noda (70 patents)
- Kazuhiko Takai (30 patents)
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Skip to contentUS Patent 6318980 · Granted Nov 20, 2001