Assignee
Inventors
- Keiji Kamio (8 patents)
- Yoshitaro Ishii (25 patents)
- Shizuo Tsuruta (3 patents)
- Masahiko Saito (100 patents)
- Tadashi Okano (38 patents)
- Nobuo Suzuki (239 patents)
- Yoshikatsu Shinonaga (1 patents)
- Tetsuro Akatsu (1 patents)
US Patent 6125250 · Granted Sep 26, 2000