Valdemar Portney
78Patents
44h-index
14Co-inventors
85Inventor score
Filing activity: Oct 14, 1986 → Oct 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5225858A | Multifocal ophthalmic lens | Physics | 299 | Expired |
| US4898461A | Multifocal ophthalmic lens | Physics | 235 | Expired |
| US6503276B2 | Accommodating multifocal intraocular lens | Human Necessities | 230 | Expired |
| US6846326B2 | Connection geometry for intraocular lens system | Emerging Cross-Sectional Technologies | 208 | Expired |
| US7073906B1 | Aspherical diffractive ophthalmic lens | Physics | 189 | Expired |
| US6786934B2 | Biasing element for intraocular lens system | Emerging Cross-Sectional Technologies | 178 | Expired |
| US4932970A | Ophthalmic lens | Human Necessities | 176 | Expired |
| US6500181B1 | Instrument for folding and inserting anterior chamber intraocular lenses | Human Necessities | 172 | Expired |
| US6210005A | Multifocal ophthalmic lens with reduced halo size | Human Necessities | 163 | Expired |
| US6231603A | Accommodating multifocal intraocular lens | Human Necessities | 163 | Expired |
| US6197058A | Corrective intraocular lens system and intraocular lenses and lens handling device therefor | Human Necessities | 163 | Expired |
| US6858040B2 | Hydraulic configuration for intraocular lens system | Emerging Cross-Sectional Technologies | 161 | Expired |
| US6527389B2 | Multifocal ophthalmic lens | Human Necessities | 159 | Expired |
| US7097660B2 | Accommodating intraocular lens | Human Necessities | 157 | Expired |
| US5270744A | Multifocal ophthalmic lens | Human Necessities | 145 | Expired |
| US7041134B2 | Hydraulic configuration for intraocular lens system | Emerging Cross-Sectional Technologies | 142 | Expired |
| US6764511B2 | Distending portion for intraocular lens system | Emerging Cross-Sectional Technologies | 142 | Expired |
| US6113633A | Primary and supplemental intraocular lens system | Human Necessities | 139 | Expired |
| US4842782A | Manufacture of ophthalmic lenses by excimer laser | Performing Operations; Transporting | 132 | Expired |
| US7452378B2 | Distending portion for intraocular lens system | Emerging Cross-Sectional Technologies | 129 | Active |
| US7226478B2 | Optic configuration for intraocular lens system | Emerging Cross-Sectional Technologies | 124 | Expired |
| US6761737B2 | Translation member for intraocular lens system | Emerging Cross-Sectional Technologies | 119 | Expired |
| US6283976A | Intraocular lens implanting instrument | Human Necessities | 116 | Expired |
| US6342058B1 | Iris fixated intraocular lens and instrument for attaching same to an iris | Human Necessities | 113 | Expired |
| US7238201B2 | Accommodating intraocular lens system with enhanced range of motion | Human Necessities | 113 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.