Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050571 | Illumination light receiver and illumination light communications system | — | 2011-11-01 |
| 4424456 | Driver circuit for charge coupled device | Seizi Watanabe, Toshio Yuyama | 1984-01-03 |
| 4408135 | Multi-level signal generating circuit | Toshio Yuyama, Seizi Watanabe | 1983-10-04 |
| 4217502 | Converter producing three output states | Yasoji Suzuki | 1980-08-12 |