Assignee
Inventors
- Yukihiko Shimizu (42 patents)
- Masao Saito (117 patents)
- Kinya Ueda (8 patents)
- Toshiaki Nakahara (41 patents)
- Shigetaka Nakamura (17 patents)
- Hiromichi Morishima (6 patents)
- Toshihiro Yamasaki (2 patents)
US Patent 6191805 · Granted Feb 20, 2001