Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775860 | Control circuit for an alternating type plasma display panel | Louis Delgrange, Michel Specty | 1988-10-04 |
| 4724343 | Conversion circuit of a differential input in CMOS logic levels | Gerard Le Roux | 1988-02-09 |
| 4652796 | Control circuit for an alternate type plasma panel | Louis Delgrange | 1987-03-24 |
| 4636784 | Process for the control of an alternating current plasma panel and apparatus for performing the same | Louis Delgrange | 1987-01-13 |
| 4575721 | AC plasma display panel control circuit | Louis Delgrange, Jacques Deschamps | 1986-03-11 |