Inventor · disambiguated record
Michael Chapman
Also filed as: CHAPMAN MICHAEL · CHAPMAN MICHAEL A · CHAPMAN MICHAEL ALLEN
32 granted patents·2 pending applications·113 citations·filing 1994–2024
95Inventor score
Top patents by PatentIndex Score
34 records- 0196US5990393AInbred maize line PH1CNPIONEER HI BRED INT·Filed 1998·Granted Nov 23, 1999·31 cites·27 claims
- 0294US10790811B2Cascaded bootstrapping GaN power switch and driverEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Sep 29, 2020·10 cites·16 claims
- 0393US6166303AInbred maize line PH1CPPIONEER HI BRED INT·Filed 1998·Granted Dec 26, 2000·21 cites·26 claims
- 0489US6124530AInbred maize line PH4TFPIONEER HI BRED INT·Filed 1999·Granted Sep 26, 2000·6 cites·27 claims
- 0589US6121524AHybrid maize plant and seed 38F48PIONEER HI BRED INT·Filed 1999·Granted Sep 19, 2000·6 cites·31 claims
- 0687US6297433B1Hybrid maize plant and seed 35H53PIONEER HI BRED INT·Filed 2000·Granted Oct 2, 2001·4 cites·32 claims
- 0787US6124529AInbred maize line PH2V7PIONEER HI BRED INT·Filed 1999·Granted Sep 26, 2000·5 cites·27 claims
- 0882US6265646B1Hybrid maize plant and seed 36G12PIONEER HI BRED INT·Filed 1999·Granted Jul 24, 2001·3 cites·31 claims
- 0982US6259004B1Inbred maize line PH2VEPIONEER HI BRED INT·Filed 1999·Granted Jul 10, 2001·3 cites·27 claims
- 1080US10727834B2Level shifter in half bridge GaN driver applicationsEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Jul 28, 2020·3 cites·15 claims
- 1176US10749514B2GaN based adjustable driver current circuitEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Aug 18, 2020·2 cites·5 claims
- 1273US2024372543A1MULTIPHASE N-CHANNEL HIGH-SIDE SWITCH FOR GaN INTEGRATED CIRCUITSEFFICIENT POWER CONVERSION CORP·Filed 2024·Application pending·0 cites
- 1368US5804691AHybrid maize plant and seed (35R57)PIONEER HI BRED INT·Filed 1997·Granted Sep 8, 1998·1 cites·7 claims
- 1467US11038503B2GaN driver using active pre-driver with feedbackEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Jun 15, 2021·1 cites·8 claims
- 1565US12463634B2Synchronizing turn-on/turn-off times of parallel power FETsEFFICIENT POWER CONVERSION CORP·Filed 2024·Granted Nov 4, 2025·0 cites·10 claims
- 1662US12355435B2Universal power FET driver IC architectureEFFICIENT POWER CONVERSION CORP·Filed 2023·Granted Jul 8, 2025·0 cites·7 claims
- 1761US12149232B2Multi-voltage bootstrapping driversEFFICIENT POWER CONVERSION CORP·Filed 2022·Granted Nov 19, 2024·0 cites·7 claims
- 1859US12113524B2Active bootstrapping driversEFFICIENT POWER CONVERSION CORP·Filed 2022·Granted Oct 8, 2024·0 cites·8 claims
- 1956US12431874B2Integrated GaN-based logic level translatorEFFICIENT POWER CONVERSION CORP·Filed 2023·Granted Sep 30, 2025·0 cites·4 claims
- 2055US2023417806A1Current sensing amplifier with offset cancellationEFFICIENT POWER CONVERSION CORP·Filed 2023·Application pending·0 cites
- 2152US10847947B2GaN laser diode drive FET with gate current reuseEFFICIENT POWER CONVERSION CORP·Filed 2020·Granted Nov 24, 2020·0 cites·11 claims
- 2250US12206391B2Pre-driven bootstrapping driversEFFICIENT POWER CONVERSION CORP·Filed 2022·Granted Jan 21, 2025·0 cites·8 claims
- 2347US10680589B2GaN based fail-safe shutdown of high-current driversEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Jun 9, 2020·0 cites·13 claims
- 2445US6242672B1Hybrid maize plant and seed 36M28PIONEER HI BRED INT·Filed 1999·Granted Jun 5, 2001·0 cites·31 claims
- 2543US5962771AHybrid maize plant and seed 36K50PIONEER HI BRED INT·Filed 1998·Granted Oct 5, 1999·0 cites·17 claims
- 2638US5750847AInbred maize line PH38DPIONEER HI BRED INT·Filed 1996·Granted May 12, 1998·6 cites·19 claims
- 2737US6316702B1Inbred maize line PH4PVPIONEER HI BRED INT·Filed 2000·Granted Nov 13, 2001·0 cites·49 claims
- 2835US5569822AInbred corn line phte4PIONEER HI BRED INT·Filed 1995·Granted Oct 29, 1996·3 cites·2 claims
- 2933US5453564AInbred corn line PHTE4PIONEER HI BRED INT·Filed 1994·Granted Sep 26, 1995·2 cites·9 claims
- 3032US5495066AHybrid corn plant and seed (3531)PIONEER HI BRED INT·Filed 1994·Granted Feb 27, 1996·2 cites·5 claims
- 3131US5563323AInbred maize line PHAP9PIONEER HI BRED INT·Filed 1995·Granted Oct 8, 1996·2 cites·13 claims
- 3230US5767346AHybrid maize plant & seed 37P73PIONEER HI BRED INT·Filed 1997·Granted Jun 16, 1998·0 cites·7 claims
- 3330US5750829AInbred maize line PHOAAPIONEER HI BRED INT·Filed 1996·Granted May 12, 1998·1 cites·19 claims
- 3430US5495069AInbred corn line PHTE4PIONEER HI BRED INT·Filed 1995·Granted Feb 27, 1996·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →