P. Mark Powell
20Patents
9h-index
6Co-inventors
64Inventor score
Filing activity: Aug 20, 2008 → Sep 18, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7905594B2 | Free form ophthalmic lens | Performing Operations; Transporting | 36 | Active |
| US8240849B2 | Free form lens with refractive index variations | Performing Operations; Transporting | 23 | Active |
| US8318055B2 | Methods for formation of an ophthalmic lens precursor and lens | Physics | 22 | Active |
| US8317505B2 | Apparatus for formation of an ophthalmic lens precursor and lens | Physics | 18 | Active |
| US8313828B2 | Ophthalmic lens precursor and lens | Performing Operations; Transporting | 17 | Active |
| US8157373B2 | Free form ophthalmic lens | Performing Operations; Transporting | 15 | Active |
| US9180633B2 | Methods for formation of an ophthalmic lens precursor and lens | Physics | 13 | Active |
| US9180634B2 | Methods for formation of an ophthalmic lens precursor and lens | Physics | 13 | Active |
| US9857607B2 | Apparatus for formation of an ophthalmic lens precursor and lens | Physics | 10 | Active |
| US8795558B2 | Methods for formation of an ophthalmic lens precursor and lens | Physics | 9 | Active |
| US9075186B2 | Free form lens with refractive index variations | Performing Operations; Transporting | 9 | Active |
| US10571718B2 | Apparatus for formation of an ophthalmic lens precursor and lens | Physics | 5 | Active |
| US10901319B2 | Apparatus for forming an ophthalmic lens | Physics | 4 | Active |
| US9266294B2 | Apparatus for formation of an ophthalmic lens precursor and lens | Physics | 4 | Active |
| US11364696B2 | Apparatus for forming an ophthalmic lens | Performing Operations; Transporting | 4 | Active |
| US9664923B2 | Lens precursor with features for the fabrication of an ophthalmic lens | Physics | 1 | Active |
| US10377096B2 | Contour form control | Performing Operations; Transporting | 1 | Active |
| US8807076B2 | Apparatus for vapor phase processing ophthalmic devices | Performing Operations; Transporting | 0 | Active |
| US10126567B2 | Apparatus for formation of an ophthalmic lens precursor and lens | Physics | 0 | Active |
| US9346226B2 | Apparatus for vapor phase processing ophthalmic devices | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.