Assignee
Inventors
- Kiyoto Watabe (17 patents)
- Hirofumi Shinohara (51 patents)
- Takahisa Eimori (37 patents)
- Hideaki Arima (59 patents)
- Natsuo Ajika (70 patents)
- Yuichi Nakashima (13 patents)
- Shinichi Satoh (79 patents)
US Patent 5051948 · Granted Sep 24, 1991