Assignee
Inventors
- Toshiyuki Shimizu (83 patents)
- Shinya Higashiura (8 patents)
- Minoru Wada (128 patents)
- Hideki Tanaka (343 patents)
- Masakatsu Ohguchi (5 patents)
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Skip to contentUS Patent 5656681 · Granted Aug 12, 1997