Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675541 | Device comprising means for validating data written in a memory | — | 1997-10-07 |
| 5214701 | Method of processing data by compression and permutation for microcircuit cards | Jean-Jacques Quisquater, Xavier Delaporte | 1993-05-25 |
| 5168521 | Method of executing an irregular permutation of data protected by encryption | Xavier Delaporte | 1992-12-01 |
| 5168523 | Method of rotating a word constituted by binary elements and arrangement in which the said method is carried out | Xavier Delaporte | 1992-12-01 |