Top Inventors at Colas S.A. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Jean-Pierre Reymonet | 5 |
| 2 | Clement Beatrix | 3 |
| 3 | Michel Perrin | 3 |
| #4 | Pierre Defontaine | 3 |
| #5 | Gerard Perrono | 2 |
| #6 | Jacques Gaultier | 2 |
| #7 | Philippe Brissonneau | 2 |
| #8 | Rene Chambard | 2 |
| #9 | Robert Pellion | 2 |
| #10 | Graziella Durand | 1 |
| #11 | Michel Chappat | 1 |
| #12 | Pierre Montmory | 1 |
| #13 | Alain Chambon | 1 |
| #14 | Jean-Pierre Gravet | 1 |
| #15 | Jean Beauverd | 1 |
| #16 | Ghislaine Baillemont | 1 |