Assignee
Inventors
- Akiyoshi Shimizu (27 patents)
- Naoto Yamagishi (14 patents)
- Hiroshi Mouri (57 patents)
- Naohiro Sasaka (8 patents)
- Hiroshi Kobayashi (747 patents)
- Tetsunori Haraguchi (8 patents)
- Kohshi Katoh (2 patents)
US Patent 6212947 · Granted Apr 10, 2001