Inventor · disambiguated record
David A. Christman
Also filed as: CHRISTMAN DAVID · CHRISTMAN DAVID A
6 granted patents·173 citations·filing 2004–2019
83Inventor score
Top patents by PatentIndex Score
6 records- 0196US7486869B2System and method for controlling a digital video recorder on a cable networkTIME WARNER CABLE INC·Filed 2004·Granted Feb 3, 2009·135 cites·28 claims
- 0293US9083513B2Technique for securely communicating and storing programming material in a trusted domainHELMS WILLIAM·Filed 2012·Granted Jul 14, 2015·19 cites·19 claims
- 0379US10178072B2Technique for securely communicating and storing programming material in a trusted domainTIME WARNER CABLE ENTPR LLC·Filed 2015·Granted Jan 8, 2019·2 cites·20 claims
- 0475US8266429B2Technique for securely communicating and storing programming material in a trusted domainHELMS WILLIAM·Filed 2004·Granted Sep 11, 2012·17 cites·26 claims
- 0560US11088999B2Technique for securely communicating and storing programming material in a trusted domainTIME WARNER CABLE ENTPR LLC·Filed 2019·Granted Aug 10, 2021·0 cites·20 claims
- 0655US8204354B2System and method for controlling a digital video recorder in response to a telephone state transitionALEXANDER PAUL·Filed 2008·Granted Jun 19, 2012·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →