Inventor · disambiguated record
Ho Ming (Karen) Wan
Also filed as: WAN HO MING · WAN HO MING KAREN
18 granted patents·280 citations·filing 2002–2016
94Inventor score
Files withHK APPLIED SCIENCE & TECH RES8HONG KONG APPLIED SCIENCE & TECH RES INST COMPANY LTD3KWONG KWOK KUEN DAVID2WAN HO MING KAREN2ATI TECHNOLOGIES INC1
Top patents by PatentIndex Score
18 records- 0197US9484945B1Asynchronous successive-approximation-register analog-to-digital converter (SAR ADC) in synchronized systemHONG KONG APPLIED SCIENCE & TECH RES INST COMPANY LTD·Filed 2016·Granted Nov 1, 2016·52 cites·20 claims
- 0295US7741981B1Dual-use comparator/op amp for use as both a successive-approximation ADC and DACHK APPLIED SCIENCE & TECH RES·Filed 2008·Granted Jun 22, 2010·72 cites·20 claims
- 0393US8421660B1Configurable cascading sigma delta analog-to digital converter (ADC) for adjusting power and performanceWAN HO MING KAREN·Filed 2011·Granted Apr 16, 2013·29 cites·20 claims
- 0489US8416107B1Charge compensation calibration for high resolution data converterWAN KAM CHUEN·Filed 2011·Granted Apr 9, 2013·23 cites·21 claims
- 0589US7764215B2Multi-stage comparator with offset canceling capacitor across secondary differential inputs for high-speed low-gain compare and high-gain auto-zeroingHK APPLIED SCIENCE & TECH RES·Filed 2008·Granted Jul 27, 2010·20 cites·23 claims
- 0683US7538597B2Fuse cell and method for programming the sameHK APPLIED SCIENCE & TECH RES·Filed 2007·Granted May 26, 2009·7 cites·19 claims
- 0780US6642800B2Spurious-free fractional-N frequency synthesizer with multi-phase network circuitATI TECHNOLOGIES INC·Filed 2002·Granted Nov 4, 2003·28 cites·13 claims
- 0878US7535272B1Zero-delay buffer with common-mode equalizer for input and feedback differential clocks into a phase-locked loop (PLL)HK APPLIED SCIENCE & TECH RES·Filed 2007·Granted May 19, 2009·11 cites·20 claims
- 0977US9190961B1Digitally-programmable gain amplifier with direct-charge transfer and offset cancellationHK APPLIED SCIENCE & TECH RES·Filed 2014·Granted Nov 17, 2015·6 cites·19 claims
- 1076US8258864B1Ultra low voltage multi-stage high-speed CMOS comparator with autozeroingCHAN KWAI CHI·Filed 2011·Granted Sep 4, 2012·8 cites·20 claims
- 1175US7705685B2Low-voltage oscillator with capacitor-ratio selectable duty cycleHK APPLIED SCIENCE & TECH RES·Filed 2007·Granted Apr 27, 2010·8 cites·20 claims
- 1274US9706269B2Self-powered and battery-assisted CMOS wireless bio-sensing IC platformHONG KONG APPLIED SCIENCE & TECH RES INST COMPANY LTD·Filed 2015·Granted Jul 11, 2017·4 cites·18 claims
- 1373US8471744B1Reduced residual offset sigma delta analog-to-digital converter (ADC) with chopper timing at end of integrating phase before trailing edgeWAN HO MING KAREN·Filed 2011·Granted Jun 25, 2013·6 cites·20 claims
- 1461US8797776B2Diode-less full-wave rectifier for low-power on-chip AC-DC conversionKWONG KWOK KUEN DAVID·Filed 2012·Granted Aug 5, 2014·2 cites·20 claims
- 1559US8643337B2Single-power-transistor battery-charging circuit using voltage-boosted clockKWONG KWOK KUEN DAVID·Filed 2011·Granted Feb 4, 2014·1 cites·11 claims
- 1653US7999512B2Single-power-transistor battery-charging circuit using voltage-boosted clockHK APPLIED SCIENCE & TECH RES·Filed 2008·Granted Aug 16, 2011·1 cites·17 claims
- 1752US9661695B1Low-headroom constant current source for high-current applicationsHONG KONG APPLIED SCIENCE & TECH RES INST COMPANY LTD·Filed 2015·Granted May 23, 2017·1 cites·20 claims
- 1845US7795976B2Slew-rate-enhanced error amp with adaptive transconductance and single dominant pole shared by main and auxiliary ampsHK APPLIED SCIENCE & TECH RES·Filed 2008·Granted Sep 14, 2010·1 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Ho Ming (Karen) Wan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →