Assignee
Inventors
- Nobuyuki Tanaka (30 patents)
- Tetsuro Tamai (16 patents)
- Harunobu Mukaiyama (13 patents)
- Akihito Hirabayashi (5 patents)
- Hideyuki Muranaka (12 patents)
- Masaaki Sato (10 patents)
- Masuo Akahane (10 patents)
US Patent 6538152 · Granted Mar 25, 2003