Inventor · disambiguated record
Kafai Leung
Also filed as: LEUNG KAFAI
21 granted patents·4 pending applications·473 citations·filing 1995–2010
96Inventor score
Top patents by PatentIndex Score
25 records- 0196US7188199B2DMA controller that restricts ADC from memory without interrupting generation of digital words when CPU accesses memorySILICON LABS CP INC·Filed 2004·Granted Mar 6, 2007·85 cites·12 claims
- 0293US5777912ALinear phase finite impulse response filter with pre-additionCRYSTAL SEMICONDUCTOR CORP·Filed 1996·Granted Jul 7, 1998·85 cites·32 claims
- 0390US7428159B2Digital PWM controllerSILICON LAB INC·Filed 2005·Granted Sep 23, 2008·35 cites·29 claims
- 0488US7502240B2Distributed power supply system with separate SYNC control for controlling remote digital DC/DC convertersSILICON LAB INC·Filed 2006·Granted Mar 10, 2009·25 cites·19 claims
- 0586US7446430B2Plural load distributed power supply system with shared master for controlling remote digital DC/DC convertersSILICON LAB INC·Filed 2006·Granted Nov 4, 2008·24 cites·12 claims
- 0686US7426123B2Finite state machine digital pulse width modulator for a digitally controlled power supplySILICON LAB INC·Filed 2005·Granted Sep 16, 2008·24 cites·30 claims
- 0785US6891487B2Capacitor calibration in SAR converterSILICON LABS CP INC·Filed 2004·Granted May 10, 2005·34 cites·20 claims
- 0884US7640455B2Digital PWM controller with programmable safe state in presence of faultSILICON LAB INC·Filed 2005·Granted Dec 29, 2009·13 cites·21 claims
- 0984US7245512B2PID based controller for DC—DC converter with post-processing filtersSILICON LAB INC·Filed 2005·Granted Jul 17, 2007·21 cites·18 claims
- 1083US8358285B2Method and apparatus for scanning a touchscreen with multi-touch detection using master/slave devicesSILICON LAB INC·Filed 2010·Granted Jan 22, 2013·9 cites·20 claims
- 1181US7536570B2Microcontroller unit (MCU) with suspend modeSILICON LAB INC·Filed 2007·Granted May 19, 2009·12 cites·20 claims
- 1281US7498787B2Digital PWM controller for digital power supply having programmable dead timesSILICON LAB INC·Filed 2005·Granted Mar 3, 2009·11 cites·33 claims
- 1381US6882298B2SAR analog-to-digital converter with two single ended inputsSILICON LABS CP INC·Filed 2003·Granted Apr 19, 2005·27 cites·10 claims
- 1480US7855905B2Digital power supply controller with integrated microcontrollerSILICON LAB INC·Filed 2008·Granted Dec 21, 2010·10 cites·12 claims
- 1570US7426645B2Digital power supply controller with integrated microcontrollerSILICON LAB INC·Filed 2005·Granted Sep 16, 2008·6 cites·10 claims
- 1670US7113011B2Low power PLL for PWM switching digital control power supplySILICON LAB INC·Filed 2004·Granted Sep 26, 2006·13 cites·22 claims
- 1760US7212061B2DPWM with leading edge blanker circuitSILICON LAB INC·Filed 2005·Granted May 1, 2007·4 cites·12 claims
- 1848US5652585AMultiple function analog-to-digital converter with multiple serial outputsCRYSTAL SEMICONDUCTOR CORP·Filed 1995·Granted Jul 29, 1997·13 cites·40 claims
- 1947US7701685B2Digital pulse width modulator with built-in protection functions for over current, over voltage and temperatureSILICON LAB INC·Filed 2005·Granted Apr 20, 2010·1 cites·27 claims
- 2047US2010250875A1Eeprom emulation using flash memorySILICON LAB INC·Filed 2009·Application pending·0 cites
- 2144US6356872B1Method and apparatus for storing digital audio and playback thereofCRYSTAL SEMICONDUCTOR CORP·Filed 1996·Granted Mar 12, 2002·19 cites·38 claims
- 2243US7536533B2MCU based motor controller with pre-load register and DMA controllerSILICON LAB INC·Filed 2005·Granted May 19, 2009·2 cites·18 claims
- 2337US2006172783A1Digital DC/DC converter with SYNC controlSILICON LAB INC·Filed 2006·Application pending·0 cites
- 2436US2006083037A1Digital PWM controller with efficiency optimization as a function of PWM duty cycleSILICON LAB INC·Filed 2005·Application pending·0 cites
- 2535US2012054379A1Low power multi-touch scan control systemLEUNG KAFAI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →