Assignee
Inventors
- Masahiko Higashi (37 patents)
- Kouichi Yamaguchi (68 patents)
- Masanari Kokubu (4 patents)
- Hitoshi Kumatabara (2 patents)
- Noriaki Hamada (14 patents)
- Kenichi Nagae (65 patents)
- Michio Shinozaki (16 patents)
- Yasuhide Tami (5 patents)
US Patent 6027791 · Granted Feb 22, 2000