Assignee
Inventors
- Shoichi Tokuda (11 patents)
- Kazuhisa Ninomiya (20 patents)
- Yasuhiro Fukushima (4 patents)
- Shigeyuki Watanabe (1 patents)
- Mitsuru Ochiai (5 patents)
- Mutsuo Okumura (6 patents)
- Yuko Hosokawa (5 patents)
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Skip to contentUS Patent 5618555 · Granted Apr 8, 1997