Assignee
Inventors
- Hirofumi Sakita (15 patents)
- Syouichi Fujita (17 patents)
- Hideji Saiko (11 patents)
- Mitsuru Tokuyama (33 patents)
- Masatsugu Nakamura (45 patents)
- Hiroo Naoi (20 patents)
- Kouichi Takenouchi (10 patents)
US Patent 6311027 · Granted Oct 30, 2001