Assignee
Inventors
- Akio Hiraki (18 patents)
- Toshimichi Ito (14 patents)
- Akimitsu Hatta (2 patents)
- Hiroshi Makita (1 patents)
- Kazuhito Nishimura (22 patents)
- Hiroshi Ishizuka (58 patents)
- Satoru Hosomi (12 patents)
US Patent 6337060 · Granted Jan 8, 2002