Assignee
Inventors
- Masakazu Hirata (49 patents)
- Atsushi Morooka (6 patents)
- Hidenobu Mikami (23 patents)
- Toshiyuki Mizutani (46 patents)
- Seiichi Takada (25 patents)
- Masaaki Honda (30 patents)
- Yoshihiko Oeda (4 patents)
- Katsumi Nagano (87 patents)
US Patent 6673750 · Granted Jan 6, 2004