Inventor · disambiguated record
Douglas Walter Hansen
Also filed as: HANSEN DOUGLAS W · HANSEN DOUGLAS WALTER
3 granted patents·1 pending application·7 citations·filing 2006–2019
59Inventor score
Top patents by PatentIndex Score
4 records- 0159US7362168B2Audio amplifierAUDERA INTERNAT SALES INC·Filed 2006·Granted Apr 22, 2008·5 cites·20 claims
- 0250US8036414B2SpeakerFRENCH JOHN B·Filed 2007·Granted Oct 11, 2011·2 cites·12 claims
- 0343US11284184B2Auto calibration of an active noise control systemDOLBY LABORATORIES LICENSING CORP·Filed 2019·Granted Mar 22, 2022·0 cites·11 claims
- 0437US2013163788A1Power supply circuits for audio amplifiersFRENCH JOHN B·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →