Inventor · disambiguated record
Frank Hagemeyer
Also filed as: HAGEMEYER FRANK
4 granted patents·2 pending applications·43 citations·filing 1997–2009
68Inventor score
Top patents by PatentIndex Score
6 records- 0180US5900788ALow-noise oscillator circuit having negative feedbackSENNHEISER ELECTRONIC·Filed 1997·Granted May 4, 1999·41 cites·9 claims
- 0243US8049091B2Wireless receiverSENNHEISER ELECTRONIC·Filed 2009·Granted Nov 1, 2011·0 cites·5 claims
- 0341US8026758B2FM demodulatorSENNHEISER ELECTRONIC·Filed 2009·Granted Sep 27, 2011·0 cites·7 claims
- 0440US2010056060A1Wireless pocket transmitterSENNHEISER ELECTRONIC·Filed 2009·Application pending·0 cites
- 0535US8129963B2DC to DC converterHAGEMEYER FRANK·Filed 2006·Granted Mar 6, 2012·2 cites·3 claims
- 0635US2001038309A1Filter circuitSENNHEISER ELECTRONIC·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →