Inventor · disambiguated record
Hendrik Visser
Also filed as: VISSER HENDRIK · VISSER HENDRIK A · VISSER HENDRIK AREND
21 granted patents·3 pending applications·295 citations·filing 1995–2022
94Inventor score
Files withKONINKL PHILIPS ELECTRONICS NV5VISSER HENDRIK4PHILIPS CORP3QORVO US INC3QORVO INT PTE LTD2
Top patents by PatentIndex Score
24 records- 0195US6577219B2Multiple-interleaved integrated circuit transformerKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jun 10, 2003·121 cites·14 claims
- 0294US10615777B2On-chip balun circuit and multi-port antenna switch circuitQORVO INT PTE LTD·Filed 2019·Granted Apr 7, 2020·5 cites·20 claims
- 0392US8427388B2Eight-shaped RF balunFAHS BASSEM·Filed 2010·Granted Apr 23, 2013·19 cites·12 claims
- 0488US8294514B2Calibrate output matching for correct output powerVISSER HENDRIK·Filed 2010·Granted Oct 23, 2012·19 cites·23 claims
- 0582US8339203B2PA load-line tuning with capacitors around a balunVISSER HENDRIK·Filed 2010·Granted Dec 25, 2012·10 cites·17 claims
- 0681US5887247ARadio transmission system and a radio apparatus for use thereinPHILIPS CORP·Filed 1997·Granted Mar 23, 1999·72 cites·12 claims
- 0779US10270427B2On-chip balun circuit and multi-port antenna switch circuitGREENPEAK TECH B V·Filed 2015·Granted Apr 23, 2019·3 cites·13 claims
- 0873US8373491B2Switched current mirror with good matchingST ERICSSON SA·Filed 2011·Granted Feb 12, 2013·4 cites·22 claims
- 0960US5751249ARadio transmission system and a radio apparatus for use in such a systemPHILIPS CORP·Filed 1995·Granted May 12, 1998·28 cites·9 claims
- 1058US9240919B2Polar modulatorST ERICSSON SA·Filed 2013·Granted Jan 19, 2016·1 cites·18 claims
- 1157US8666330B2Antenna switch with ESD isolationVISSER HENDRIK·Filed 2011·Granted Mar 4, 2014·1 cites·23 claims
- 1250US12132485B2Glitch-free frequency tuning of ring-oscillatorsQORVO US INC·Filed 2022·Granted Oct 29, 2024·0 cites·22 claims
- 1345US8958761B2Determining on chip loading impedance of RF circuitVISSER HENDRIK A·Filed 2007·Granted Feb 17, 2015·2 cites·18 claims
- 1444US11005173B2ESD protection for antenna portQORVO INT PTE LTD·Filed 2016·Granted May 11, 2021·0 cites·8 claims
- 1544US7623979B2Calibration of tester and testboard by golden sampleNXP BV·Filed 2004·Granted Nov 24, 2009·5 cites·8 claims
- 1643US2023208408A1Low leakage level shifterQORVO US INC·Filed 2021·Application pending·0 cites
- 1740US6545539B1Amplifier for use in a mobile phoneKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Apr 8, 2003·4 cites·10 claims
- 1839US2002177417A1Transmit/receive switch for an RF transceiverKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Application pending·0 cites
- 1938US10560053B2Digital fractional frequency dividerQORVO US INC·Filed 2018·Granted Feb 11, 2020·0 cites·18 claims
- 2035US6396124B1Semiconductor deviceKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted May 28, 2002·0 cites·5 claims
- 2134US2007035346A1Variable impedance circuit using cell arraysKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Application pending·0 cites
- 2232US8699619B2Dutycycle adjustment to improve efficiency of a digital RF-PAVISSER HENDRIK·Filed 2010·Granted Apr 15, 2014·0 cites·17 claims
- 2330US5963095AAmplifier circuit, a transmitter and a wireless telephonePHILIPS CORP·Filed 1998·Granted Oct 5, 1999·1 cites·8 claims
- 2429US8554158B2Current saving by reduced modulation code and selective gating of RF signalVAN DEN BOS NORBERT·Filed 2011·Granted Oct 8, 2013·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →