Assignee
Inventors
- Yoshiaki Nakayama (65 patents)
- Hiroshi Maeda (306 patents)
- Makio Iida (22 patents)
- Hiroshi Fujimoto (178 patents)
- Mitsuhiro Saitou (26 patents)
- Hiroshi Imai (185 patents)
- Hiroyuki Ban (62 patents)
US Patent 6242787 · Granted Jun 5, 2001