Inventor · disambiguated record
Guang-Nan Tzeng
Also filed as: TZENG GUANG-NAN
24 granted patents·2 pending applications·678 citations·filing 1995–2024
96Inventor score
Top patents by PatentIndex Score
26 records- 0196US7176667B2Buck-boost voltage converterAIMTRON TECHNOLOGY CORP·Filed 2005·Granted Feb 13, 2007·155 cites·20 claims
- 0294US7180274B2Switching voltage regulator operating without a discontinuous modeAIMTRON TECHNOLOGY CORP·Filed 2004·Granted Feb 20, 2007·103 cites·19 claims
- 0393US11336218B1Motor controllerGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2020·Granted May 17, 2022·2 cites·9 claims
- 0492US7015663B1Brushless motor drive deviceAIMTRON TECHNOLOGY CORP·Filed 2005·Granted Mar 21, 2006·32 cites·19 claims
- 0589US6995603B2High efficiency charge pump with prevention from reverse currentAIMTRON TECHNOLOGY CORP·Filed 2004·Granted Feb 7, 2006·67 cites·15 claims
- 0689US6903537B2Switching DC-to-DC converter with multiple output voltagesAIMTRON TECHNOLOGY CORP·Filed 2003·Granted Jun 7, 2005·68 cites·32 claims
- 0788US6972548B2Pulse frequency modulated voltage regulator capable of prolonging a minimum off-timeAIMTRON TECHNOLOGY CORP·Filed 2003·Granted Dec 6, 2005·62 cites·20 claims
- 0888US6791368B2Current sensing circuit and method of a high-speed driving stageAIMTRON TECHNOLOGY CORP·Filed 2003·Granted Sep 14, 2004·37 cites·13 claims
- 0986US11101647B1Overvoltage protection circuitGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2020·Granted Aug 24, 2021·2 cites·20 claims
- 1086US6924611B1Brushless motor drive deviceAIMTRON TECHNOLOGY CORP·Filed 2004·Granted Aug 2, 2005·36 cites·20 claims
- 1185US7279869B2PFM control circuit for DC regulatorAIMTRON TECHNOLOGY CORP·Filed 2005·Granted Oct 9, 2007·17 cites·10 claims
- 1277US12212267B2Motor controllerGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2022·Granted Jan 28, 2025·0 cites·25 claims
- 1375US7050914B2Current sensing circuitAIMTRON TECHNOLOGY CORP·Filed 2004·Granted May 23, 2006·18 cites·20 claims
- 1471US11699964B2Motor controllerGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2021·Granted Jul 11, 2023·0 cites·40 claims
- 1571US7009857B2Soft-start charge pump circuitAIMTRON TECHNOLOGY CORP·Filed 2004·Granted Mar 7, 2006·24 cites·3 claims
- 1668US11362607B1Motor unitGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2021·Granted Jun 14, 2022·0 cites·20 claims
- 1766US11171585B2Motor controllerGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2020·Granted Nov 9, 2021·0 cites·20 claims
- 1865US7071665B2Method of reducing a ripple of a heavy loading pulse frequency modulated voltage regulatorAIMTRON TECHNOLOGY CORP·Filed 2003·Granted Jul 4, 2006·18 cites·19 claims
- 1962US12021475B2Motor controllerGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2021·Granted Jun 25, 2024·0 cites·18 claims
- 2058US2025253780A1Motor unit and motor controller thereofGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2024·Application pending·0 cites
- 2154US6911867B2Error amplifier and DC-DC converter and the method thereofAIMTRON TECHNOLOGY CORP·Filed 2003·Granted Jun 28, 2005·7 cites·4 claims
- 2253US6861830B1Method of improving transient noise of a switching DC-to-DC converter with multiple output voltagesAIMTRON TECHNOLOGY CORP·Filed 2003·Granted Mar 1, 2005·8 cites·20 claims
- 2348US5663759AFeature processor for a digital cameraIND TECH RES INST·Filed 1996·Granted Sep 2, 1997·17 cites·22 claims
- 2440US2020244219A1High-speed oscillation circuit with low-temperature coefficientGLOBAL MIXED MODE TECHNOLOGY INC·Filed 2019·Application pending·0 cites
- 2527US5499058ADigital color encoder using triangular wave modulationIND TECH RES INST·Filed 1995·Granted Mar 12, 1996·2 cites·14 claims
- 2623US5867381AFull-wave rectifying device having an amplitude modulation functionIND TECH RES INST·Filed 1997·Granted Feb 2, 1999·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →