Inventor · disambiguated record
Cornelis Frederik Du Toit
Also filed as: DU TOIT CORNELIS · DU TOIT CORNELIS F · DU TOIT CORNELIS FREDERIK
26 granted patents·6 pending applications·1,660 citations·filing 1998–2022
98Inventor score
Files withPARATEK MICROWAVE INC15BLACKBERRY LTD3DU TOIT CORNELIS FREDERIK3NASA3RESEARCH IN MOTION RF INC2
Top patents by PatentIndex Score
32 records- 0198US8693963B2Tunable microwave devices with auto-adjusting matching circuitRESEARCH IN MOTION RF INC·Filed 2013·Granted Apr 8, 2014·63 cites·20 claims
- 0298US7969257B2Tunable microwave devices with auto-adjusting matching circuitPARATEK MICROWAVE INC·Filed 2008·Granted Jun 28, 2011·90 cites·14 claims
- 0398US7795990B2Tunable microwave devices with auto-adjusting matching circuitPARATEK MICROWAVE INC·Filed 2008·Granted Sep 14, 2010·89 cites·20 claims
- 0498US7728693B2Tunable microwave devices with auto-adjusting matching circuitPARATEK MICROWAVE INC·Filed 2008·Granted Jun 1, 2010·92 cites·6 claims
- 0598US7714678B2Tunable microwave devices with auto-adjusting matching circuitPARATEK MICROWAVE INC·Filed 2008·Granted May 11, 2010·93 cites·6 claims
- 0698US6864757B2Tunable microwave devices with auto-adjusting matching circuitPARATEK MICROWAVE INC·Filed 2003·Granted Mar 8, 2005·147 cites·26 claims
- 0798US6759918B2Tunable microwave devices with auto-adjusting matching circuitPARATEK MICROWAVE INC·Filed 2003·Granted Jul 6, 2004·126 cites·17 claims
- 0898US6590468B2Tunable microwave devices with auto-adjusting matching circuitPARATEK MICROWAVE INC·Filed 2001·Granted Jul 8, 2003·258 cites·11 claims
- 0997US7865154B2Tunable microwave devices with auto-adjusting matching circuitPARATEK MICROWAVE INC·Filed 2005·Granted Jan 4, 2011·126 cites·35 claims
- 1096US9768752B2Tunable microwave devices with auto-adjusting matching circuitBLACKBERRY LTD·Filed 2014·Granted Sep 19, 2017·17 cites·20 claims
- 1196US8896391B2Tunable microwave devices with auto-adjusting matching circuitRESEARCH IN MOTION RF INC·Filed 2013·Granted Nov 25, 2014·28 cites·20 claims
- 1295US7183922B2Tracking apparatus, system and methodPARATEK MICROWAVE INC·Filed 2004·Granted Feb 27, 2007·236 cites·21 claims
- 1393US6794950B2Waveguide to microstrip transitionPARATEK MICROWAVE INC·Filed 2001·Granted Sep 21, 2004·155 cites·6 claims
- 1491US9431990B2Tunable microwave devices with auto-adjusting matching circuitBLACKBERRY LTD·Filed 2014·Granted Aug 30, 2016·6 cites·20 claims
- 1588US10658756B1Earth coverage antenna system for Ka-band communicationNASA·Filed 2017·Granted May 19, 2020·8 cites·18 claims
- 1687US8744384B2Tunable microwave devices with auto-adjusting matching circuitMENDOLIA GREGORY·Filed 2010·Granted Jun 3, 2014·8 cites·19 claims
- 1782US9948270B2Tunable microwave devices with auto-adjusting matching circuitBLACKBERRY LTD·Filed 2016·Granted Apr 17, 2018·2 cites·20 claims
- 1879US7109926B2Stacked patch antennaPARATEK MICROWAVE INC·Filed 2004·Granted Sep 19, 2006·23 cites·16 claims
- 1974US8912974B2Solderless circularly polarized microwave antenna elementGREEN DAVID·Filed 2011·Granted Dec 16, 2014·4 cites·17 claims
- 2071US6864843B2Conformal frequency-agile tunable patch antennaPARATEK MICROWAVE INC·Filed 2003·Granted Mar 8, 2005·21 cites·27 claims
- 2171US6236367B1Dual polarised patch-radiating elementDELTEC TELESYSTEMS INTERNAT LT·Filed 1998·Granted May 22, 2001·47 cites·28 claims
- 2270US7019697B2Stacked patch antenna and method of construction thereforePARATEK MICROWAVE INC·Filed 2004·Granted Mar 28, 2006·15 cites·20 claims
- 2353US2007146094A1Tunable microwave devices with auto-adjusting matching circuitDU TOIT CORNELIS FREDERIK·Filed 2007·Application pending·0 cites
- 2452US11581663B1Shaped reflector dual S-band and Ka-band high gain antennaNASA·Filed 2021·Granted Feb 14, 2023·0 cites·16 claims
- 2552US7123115B2Loaded line phase shifter having regions of higher and lower impedancePARATEK MICROWAVE INC·Filed 2004·Granted Oct 17, 2006·2 cites·25 claims
- 2652US2012119844A1Tunable microwave devices with auto-adjusting matching circuitDU TOIT CORNELIS FREDERIK·Filed 2011·Application pending·0 cites
- 2751US2012119843A1Tunable microwave devices with auto adjusting matching circuitDU TOIT CORNELIS FREDERIK·Filed 2011·Application pending·0 cites
- 2849US7106255B2Stacked patch antenna and method of operation thereforePARATEK MICROWAVE INC·Filed 2004·Granted Sep 12, 2006·4 cites·20 claims
- 2947US12244079B1Circularly polarized solderless antenna with frequency-scalable circuitNASA·Filed 2022·Granted Mar 4, 2025·0 cites·6 claims
- 3047US2006226929A1Tunable microwave devices with auto-adjusting matching circuitDU TOIT CORNELIS F·Filed 2006·Application pending·0 cites
- 3140US2005110593A1Tunable microwave devices with auto-adjusting matching circuitFiled 2004·Application pending·0 cites
- 3236US2005113138A1RF ID tag reader utlizing a scanning antenna system and methodFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →