Assignee
Inventors
- Hirokatsu Imamura (16 patents)
- Masafumi Hayashi (35 patents)
- Kouichi Nakamura (61 patents)
- Hirokazu Kaneko (14 patents)
- Shigeki Umise (20 patents)
- Kenichiro Suto (24 patents)
- Hiromi Watanabe (27 patents)
US Patent 6203890 · Granted Mar 20, 2001