Inventor · disambiguated record
Weifeng Sun
Also filed as: SUN WEIFENG
47 granted patents·4 pending applications·233 citations·filing 2004–2025
96Inventor score
Top patents by PatentIndex Score
51 records- 0197US9240469B2Transverse ultra-thin insulated gate bipolar transistor having high current densityUNIV SOUTHEAST·Filed 2012·Granted Jan 19, 2016·190 cites·6 claims
- 0294US12132407B1Adaptive load optimization method for resonant gate drive circuitUNIV SOUTHEAST·Filed 2024·Granted Oct 29, 2024·3 cites·6 claims
- 0394US12051742B1Enhancement-mode N-channel and P-channel GaN device integration structureUNIV SOUTHEAST·Filed 2022·Granted Jul 30, 2024·5 cites·7 claims
- 0491US12046990B1Multi-phase high-precision current sharing control method applied to constant on-time controlUNIV SOUTHEAST·Filed 2024·Granted Jul 23, 2024·2 cites·3 claims
- 0588US12046594B1Monolithically integrated GaN-based half-bridge circuit and half-bridge circuitUNIV SOUTHEAST·Filed 2024·Granted Jul 23, 2024·2 cites·8 claims
- 0685US11394306B2Flyback switching power supply, control system thereof and control method thereforCSMC TECHNOLOGIES FAB2 CO LTD·Filed 2020·Granted Jul 19, 2022·2 cites·20 claims
- 0783US11158708B1Graphene channel silicon carbide power semiconductor transistorUNIV SOUTHEAST·Filed 2018·Granted Oct 26, 2021·4 cites·6 claims
- 0879US8723496B2Switching power supply with quick transient responseSUN WEIFENG·Filed 2010·Granted May 13, 2014·7 cites·10 claims
- 0973US8659345B2Switch level circuit with dead time self-adapting controlXU SHEN·Filed 2010·Granted Feb 25, 2014·6 cites·7 claims
- 1068US11323039B2Method for improving conversion efficiency of CCM mode of flyback resonant switch power supplyCSMC TECHNOLOGIES FAB2 CO LTD·Filed 2018·Granted May 3, 2022·2 cites·20 claims
- 1167US12368371B2Non-isolated resonant gate drive circuitUNIV SOUTHEAST·Filed 2024·Granted Jul 22, 2025·0 cites·3 claims
- 1264US10097077B2Control method for improving dynamic response of switch powerUNIV SOUTHEAST·Filed 2016·Granted Oct 9, 2018·1 cites·1 claims
- 1363US12080186B2High-speed remote landslide simulation test device with a variable angleCHANGAN UNIV·Filed 2023·Granted Sep 3, 2024·0 cites·9 claims
- 1463US8164593B2Systems and methods for graphical renderingSUN WEIFENG·Filed 2007·Granted Apr 24, 2012·4 cites·14 claims
- 1561US12366614B2Horizontal hall device and preparation methodUNIV SOUTHEAST·Filed 2024·Granted Jul 22, 2025·0 cites·13 claims
- 1659US8933534B2Isolation structure of high-voltage driving circuitSHI LONGXING·Filed 2012·Granted Jan 13, 2015·1 cites·10 claims
- 1758US10340906B2Integrated bootstrap high-voltage driver chip and technological structure thereofUNIV SOUTHEAST·Filed 2017·Granted Jul 2, 2019·1 cites·6 claims
- 1857US9159818B2High-current N-type silicon-on-insulator lateral insulated-gate bipolar transistorUNIV SOUTHEAST·Filed 2012·Granted Oct 13, 2015·1 cites·4 claims
- 1956US2024345058A1In-situ testing instrument and method for soil moisture in a holeCHANGAN UNIV·Filed 2023·Application pending·0 cites
- 2054US8754442B2Silicon on insulator integrated high-current N type combined semiconductor deviceSHI LONGXING·Filed 2011·Granted Jun 17, 2014·1 cites·9 claims
- 2154US2025056834A1P-type laterally diffused metal oxide semiconductor device and manufacturing method thereforUNIV SOUTHEAST·Filed 2022·Application pending·0 cites
- 2253US12062985B1Control method for four-switch buck-boost converterUNIV SOUTHEAST·Filed 2022·Granted Aug 13, 2024·0 cites·18 claims
- 2353US2024222473A1Dmos device having junction field plate and manufacturing method thereforCSMC TECHNOLOGIES FAB2 CO LTD·Filed 2022·Application pending·0 cites
- 2451US8232993B2Systems and methods for graphical renderingSUN WEIFENG·Filed 2007·Granted Jul 31, 2012·1 cites·19 claims
- 2550US2025085315A1Lossless exciting current sampling circuit for isolated converterUNIV SOUTHEAST·Filed 2022·Application pending·0 cites
- 2649US12027516B1GaN power semiconductor device integrated with self-feedback gate control structureUNIV SOUTHEAST·Filed 2022·Granted Jul 2, 2024·0 cites·7 claims
- 2749US11336217B2Method for reducing noise of a switched reluctance motor based on adjusting a PWM carrier frequencyCSMC TECHNOLOGIES FAB2 CO LTD·Filed 2018·Granted May 17, 2022·0 cites·17 claims
- 2848US12449450B2Inductor current estimation method for DC-DC switching power supplyUNIV SOUTHEAST·Filed 2022·Granted Oct 21, 2025·0 cites·6 claims
- 2948US12382707B1Conductive channel structure for SiC devices, fully integrated SiC device and fully integrated manufacturing process thereofUNIV SOUTHEAST·Filed 2025·Granted Aug 5, 2025·0 cites·4 claims
- 3048US12312950B2In-situ detection robot and detection method for geological information without disturbance of in-situ stressCHANGAN UNIV·Filed 2023·Granted May 27, 2025·0 cites·18 claims
- 3147US12209338B2Preparation method of SM non-woven fabrics for roof anti-slipDONGYING JOFO FILTRATION TECH CO LTD·Filed 2023·Granted Jan 28, 2025·0 cites·6 claims
- 3247US11777416B2Flyback converter and output voltage acquisition method therefor and apparatus thereofUNIV SOUTHEAST·Filed 2019·Granted Oct 3, 2023·0 cites·13 claims
- 3346US12119395B2Insulated gate bipolar transistorUNIV SOUTHEAST·Filed 2020·Granted Oct 15, 2024·0 cites·18 claims
- 3445US11515395B2Gallium nitride power device and manufacturing method thereofUNIV SOUTHEAST·Filed 2020·Granted Nov 29, 2022·0 cites·15 claims
- 3544US12224340B2Heterojunction semiconductor device with low on-resistanceUNIV SOUTHEAST·Filed 2019·Granted Feb 11, 2025·0 cites·15 claims
- 3644US11742423B2Laterally double-diffused metal oxide semiconductor deviceUNIV SOUTHEAST·Filed 2020·Granted Aug 29, 2023·0 cites·11 claims
- 3744US11322606B2Heterojunction semiconductor device having high blocking capabilityUNIV SOUTHEAST·Filed 2019·Granted May 3, 2022·0 cites·5 claims
- 3844US8164592B2Systems and methods for graphical renderingSUN WEIFENG·Filed 2007·Granted Apr 24, 2012·0 cites·16 claims
- 3943US12183818B2Power semiconductor device and manufacturing method thereforUNIV SOUTHEAST·Filed 2019·Granted Dec 31, 2024·0 cites·20 claims
- 4043US12107167B2High-threshold power semiconductor device and manufacturing method thereofUNIV SOUTHEAST·Filed 2021·Granted Oct 1, 2024·0 cites·10 claims
- 4143US11894458B2Lateral double-diffused metal oxide semiconductor field effect transistorUNIV SOUTHEAST·Filed 2020·Granted Feb 6, 2024·0 cites·15 claims
- 4241US12124000B2In-situ shear test device for holes in rock-soil massCHANGAN UNIV·Filed 2023·Granted Oct 22, 2024·0 cites·10 claims
- 4341US11367785B2Lateral insulated gate bipolar transistor with low turn-on overshoot currentUNIV SOUTHEAST·Filed 2020·Granted Jun 21, 2022·0 cites·4 claims
- 4441US7940267B2Systems and methods for graphical renderingUNIV CENTRAL FLORIDA RES FOUND·Filed 2007·Granted May 10, 2011·0 cites·19 claims
- 4539US11984813B2Synchronous rectification control system and method for quasi-resonant flyback converterUNIV SOUTHEAST·Filed 2020·Granted May 14, 2024·0 cites·11 claims
- 4638US11770076B2System and method for controlling active clamp flyback converterUNIV SOUTHEAST·Filed 2020·Granted Sep 26, 2023·0 cites·10 claims
- 4738US11557959B2Deadtime automatic-optimization system for flyback power supply having primary-side feedback in CCM, control system and method for flyback power supply having primary-side feedback in CCMCSMC TECHNOLOGIES FAB2 CO LTD·Filed 2018·Granted Jan 17, 2023·0 cites·16 claims
- 4837US11081967B2Self-adaptive synchronous rectification control system and method of active clamp flyback converterUNIV SOUTHEAST·Filed 2018·Granted Aug 3, 2021·0 cites·9 claims
- 4935US11152936B2Gate drive circuit for reducing reverse recovery current of power deviceUNIV SOUTHEAST·Filed 2020·Granted Oct 19, 2021·0 cites·8 claims
- 5034US10056313B2Power module of square flat pin-free packaging structureUNIV SOUTHEAST·Filed 2016·Granted Aug 21, 2018·0 cites·2 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →