Assignee
Inventors
- Manabu Mochizuki (40 patents)
- Tsuneo Kurotori (66 patents)
- Kenzo Ariyama (25 patents)
- Kenji Kojima (151 patents)
- Ichiro Tsuruoka (12 patents)
- Katsuhiro Echigo (46 patents)
- Mayumi Miyao (6 patents)
US Patent 5642188 · Granted Jun 24, 1997