Dan Katzman
18Patents
8h-index
12Co-inventors
69Inventor score
Filing activity: Mar 4, 1999 → Sep 22, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6491391B1 | System, apparatus, and method for reducing birefringence | Chemistry; Metallurgy | 276 | Expired |
| US6491394B1 | Method for refracting and dispensing electro-active spectacles | Physics | 155 | Expired |
| US6918670B2 | System, apparatus, and method for correcting vision using an electro-active lens | Physics | 129 | Expired |
| US6733130B2 | Method for refracting and dispensing electro-active spectacles | Physics | 97 | Expired |
| US7188948B2 | System, apparatus and method for correcting vision with an adaptive optic | Physics | 50 | Expired |
| US7077519B2 | System, apparatus, and method for correcting vision using an electro-active lens | Physics | 29 | Expired |
| US6302540A | Method for the design of multifocal optical elements | Physics | 18 | Expired |
| US7234809B2 | Ophthalmic spectacle lens for correcting non-conventional refractive error | Physics | 8 | Expired |
| US7744214B2 | System, apparatus and method for correcting vision with an adaptive optic | Physics | 7 | Active |
| US7322696B2 | Customized lens, and system and method of producing thereof | Physics | 6 | Expired |
| US7296357B2 | Device and method of measuring a personalized lens-orientation value | Physics | 6 | Expired |
| US7524059B2 | System, apparatus and method for correcting vision with an adaptive optic | Physics | 5 | Active |
| US7997733B2 | System, apparatus and method for correcting vision with an adaptive optic | Physics | 5 | Active |
| US7828433B2 | Assymetrical progressive lens | Physics | 4 | Active |
| US6786600B2 | Methods for generating a progressive surface and for production of multifocal progressive lenses | Physics | 4 | Expired |
| US11378821B2 | Progressive lens and method of manufacture thereof | Physics | 0 | Active |
| US9164295B2 | Vision prescription, measuring method and measuring apparatus, and a lens production method | Physics | 0 | Active |
| US12416820B2 | Progressive lens and manufacture thereof | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.