Assignee
Inventors
- Susumu Saito (201 patents)
- Nobukazu Takagi (12 patents)
- Kiyohiro Harada (3 patents)
- Yukio Kazahaya (8 patents)
- Seiji Kuchiki (3 patents)
- Masakuni Ishikawa (7 patents)
- Nobuyuki Nakajima (102 patents)
US Patent 5551852 · Granted Sep 3, 1996