Assignee
Inventors
- Kazuo Nakahama (16 patents)
- Motowo Izawa (8 patents)
- Yoichi Nagano (1 patents)
- Naoki Tarui (12 patents)
- Kiyoharu Matsumoto (3 patents)
- Masakuni Kori (23 patents)
- Tsuneo Kanamaru (17 patents)
- Toshiaki Nagata (12 patents)
US Patent 5770438 · Granted Jun 23, 1998