MR

Michael A. de Rooij

EC Efficient Power Conversion: 26 patents #2 of 35Top 6%
GE: 20 patents #1,365 of 36,430Top 4%
LM Lockheed Martin: 2 patents #1,600 of 6,507Top 25%
Overall (All Time): #57,305 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 25 most recent of 48 patents

Patent #TitleCo-InventorsDate
12355435 Universal power FET driver IC architecture Edward K. Lee, Ravi Ananth, Michael Chapman, David Tam 2025-07-08
12218593 Half-bridge circuits with symmetrical layout of parallel transistors and capacitors John Stanley Glaser, Yuanzhe Zhang 2025-02-04
12113524 Active bootstrapping drivers Edward K. Lee, Michael Chapman, Ravi Ananth 2024-10-08
11646656 Multi-level converter with voltage divider for pre-charging flying capacitor Yuanzhe Zhang, Jianjing Wang 2023-05-09
11038503 GaN driver using active pre-driver with feedback Edward K. Lee, Ravi Ananth, Michael Chapman 2021-06-15
11019718 Low parasitic inductance structure for power switched circuits John Stanley Glaser 2021-05-25
10931244 Common gate amplifier with high isolation from output to input John Stanley Glaser 2021-02-23
10901011 Magnetic field pulse current sensing for timing-sensitive circuits John Stanley Glaser 2021-01-26
10892650 Multi-coil large area wireless power system Yuanzhe Zhang 2021-01-12
10862337 Large area scalable highly resonant wireless power coil Yuanzhe Zhang 2020-12-08
10840742 Wireless power receiver synchronization detection circuit Yuanzhe Zhang 2020-11-17
10790811 Cascaded bootstrapping GaN power switch and driver Edward K. Lee, Ravi Ananth, Michael Chapman, Robert Beach 2020-09-29
10784794 GaN FET gate driver for self-oscillating converters 2020-09-22
10637456 Low voltage drop cascaded synchronous bootstrap supply circuit David C. Reusch, Suvankar Biswas 2020-04-28
10454472 Bootstrap capacitor over-voltage management circuit for GaN transistor based power converters David C. Reusch, John Stanley Glaser 2019-10-22
10312260 GaN transistors with polysilicon layers used for creating additional components Jianjun Cao, Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao +8 more 2019-06-04
10243546 Enhancement mode FET gate driver IC David C. Reusch, Suvankar Biswas 2019-03-26
10230341 High efficiency voltage mode class D topology Johan Tjeerd Strydom, Bhaskaran R. Nair 2019-03-12
10218353 Low distortion RF switch John Stanley Glaser, David C. Reusch 2019-02-26
10084445 High voltage zero QRR bootstrap supply Johan Tjeerd Strydom, David C. Reusch 2018-09-25
9887677 High efficiency voltage mode class D topology Johan Tjeerd Strydom, Bhaskaran R. Nair 2018-02-06
9837438 GaN transistors with polysilicon layers used for creating additional components Jianjun Cao, Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao +8 more 2017-12-05
9667245 High voltage zero QRR bootstrap supply Johan Tjeerd Strydom, David C. Reusch 2017-05-30
9634555 Method for operating a non-isolated switching converter having synchronous rectification capability suitable for power factor correction applications Johan Tjeerd Strydom 2017-04-25
9484862 Device and method for bias control of class A power RF amplifier Johan Tjeerd Strydom 2016-11-01