Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485391 | Light emitting and receiving transistor for operation in alternate _sequence in an optical-fiber telecommunications systems | Pierre Poulain, Baudouin de Cremoux | 1984-11-27 |
| 4445130 | Heterojunction phototransistor constructed in planar technology | Pierre Poulain, Baudouin de Cremoux | 1984-04-24 |
| 4286232 | Laser with distributed reflector | Claude Puech, Pierre Leclerc, Baudouin de Cremoux, Marie A. Di Forte | 1981-08-25 |
| 4217597 | Diode which transmits and receives light-rays of the same predetermined wavelength and optical telecommunications device using such a diode | — | 1980-08-12 |