Francoise Ahsbahs
11Patents
10h-index
16Co-inventors
65Inventor score
Filing activity: Nov 18, 1993 → Jan 30, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6325508A | Visual equipment for checking close vision working distance | Physics | 120 | Expired |
| US5488442A | Progressive multifocal ophthalmic lens | Physics | 48 | Expired |
| US7216977B2 | Ophthalmic lens with progressive addition of power and prism | Physics | 23 | Expired |
| US6102544A | Multifocal ophthalmic lens | Physics | 17 | Expired |
| US6220705A | Progressive multifocal ophthalmic lens | Physics | 14 | Expired |
| US5708493A | Progressive multifocal ophthalmic lens | Physics | 14 | Expired |
| US5719658A | Progressive multifocal ophthalmic lens | Physics | 13 | Expired |
| US6595637B2 | Progressive multifocal ophthalmic lens with fast power variation | Physics | 12 | Expired |
| US5812238A | Progressive multifocal ophthalmic lens pair | Physics | 12 | Expired |
| US6682194B2 | Progressive multifocal ophthalmic lens with rapid power variation | Physics | 10 | Expired |
| US6595638B2 | Progressive multifocal ophthalmic lens with rapid power variation | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.