Inventor · disambiguated record
John Landwehr
Also filed as: LANDWEHR JOHN · LANDWEHR JOHN T · LANDWEHR JR JOHN THOMAS
9 granted patents·130 citations·filing 2006–2018
86Inventor score
Top patents by PatentIndex Score
9 records- 0194US8145909B1Digitally signing an electronic document using seed dataAGRAWAL SUNIL·Filed 2007·Granted Mar 27, 2012·61 cites·38 claims
- 0292US9800416B2Distributed validation of digitally signed electronic documentsADOBE SYSTEMS INC·Filed 2016·Granted Oct 24, 2017·11 cites·20 claims
- 0392US8683605B1Long-term validation of a digital signature status indicatorTENENBOYM ISAK·Filed 2012·Granted Mar 25, 2014·30 cites·17 claims
- 0491US9276749B2Distributed validation of digitally signed electronic documentsTENENBOYM ISAK·Filed 2012·Granted Mar 1, 2016·22 cites·20 claims
- 0566US8363882B2User discernible watermarkingADOBE SYSTEMS INC·Filed 2006·Granted Jan 29, 2013·4 cites·27 claims
- 0654US8683600B2Print policy commandsLANDWEHR JOHN·Filed 2006·Granted Mar 25, 2014·2 cites·13 claims
- 0750US10311215B2Secure recording and rendering of encrypted multimedia contentADOBE INC·Filed 2018·Granted Jun 4, 2019·0 cites·18 claims
- 0847US9971879B2Secure recording and rendering of encrypted multimedia contentADOBE SYSTEMS INC·Filed 2016·Granted May 15, 2018·0 cites·15 claims
- 0936US8924857B2Multi-dimensional rights schemeLANDWEHR JR JOHN THOMAS·Filed 2006·Granted Dec 30, 2014·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →