Etienne Billard
5Patents
4h-index
7Co-inventors
46Inventor score
Filing activity: Oct 15, 1996 → Oct 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6138286A | Goggle having a tinted plastic lens | Physics | 81 | Expired |
| US5805263A | Lens blanks, process of manufacture therefor and eyewear incorporating lenses made therefrom | Physics | 24 | Expired |
| US6554421B1 | Non-correcting lens blank, and method for making same | Physics | 8 | Expired |
| US7419261B2 | Non-corrective lenses with improved peripheral vision | Physics | 6 | Expired |
| US6540352B2 | Noncorrective prism compensating lens and eyeglass provided with said lens | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.