Patent assignee · DE · COMPANY

Carl Zeiss Vision International GmbH

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227Patents
220Active
227Granted
63Portfolio score

Filing activity: Apr 22, 2010 → Aug 30, 2024 · 4 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8833936B2 Ophthalmic lens element Physics 37 Active
US10182717B2 Systems for determining eye refraction Human Necessities 32 Active
USD680143S1 Video centration apparatus General 22 Active
US8297751B2 Multi-focal lenses with segmented boundaries Physics 21 Active
USD689112S1 Video centration apparatus General 14 Active
US8982466B2 Optical lens with scratch-resistant anti-reflective layer Physics 13 Active
US8425034B2 Lens element with improved prismatic power Physics 12 Active
USD815865S1 Display structure General 11 Active
US10292581B2 Display device for demonstrating optical properties of eyeglasses Human Necessities 8 Active
US9176329B2 Method for designing a spectacle lens and spectacle lens Physics 7 Active
US9797804B2 Method and system for determining the spatial structure of an object Physics 7 Active
US10845619B2 Spectacle lens and method for producing a spectacle lens Performing Operations; Transporting 7 Active
US9778484B2 Optical element having a coating of high diffusivity Physics 7 Active
USD848507S1 Video centration apparatus General 6 Active
USD920300S1 Add-on for a smartphone for smartphone-based photorefraction General 6 Active
US9817155B2 Optical lens with scratch-resistant anti-reflective layer Physics 6 Active
US9500860B2 Anti-fog coating Chemistry; Metallurgy 5 Active
US10564446B2 Method, apparatus, and computer program for establishing a representation of a spectacle lens edge Physics 5 Active
US8366269B2 Method of making a spectacle lens Physics 5 Active
US10441168B2 Computer-implemented method for detecting a corneal vertex Physics 4 Active
US9971172B2 Method for determining the far visual point for a spectacle lens and system therefor Human Necessities 4 Active
US8985767B2 Wavefront optimized progressive lens Physics 4 Active
US9122073B2 Spectacle lens and method and apparatus for making the same Performing Operations; Transporting 3 Active
US10773894B2 Transfer device for a transport vessel Performing Operations; Transporting 3 Active
US8827451B2 Eyesight testing device Physics 3 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.