KL

Ka Y. Leung

SL Silicon Laboratories: 33 patents #20 of 744Top 3%
SC Silicon Labs Cp: 21 patents #2 of 21Top 10%
CP Cygnal Integrated Products: 10 patents #1 of 7Top 15%
CS Crystal Semiconductor: 6 patents #6 of 74Top 9%
IN Intematix: 3 patents #23 of 65Top 40%
TI Texas Instruments: 2 patents #5,248 of 12,488Top 45%
CL Cirrus Logic: 2 patents #514 of 1,131Top 50%
HC Hong Kong Productivity Council: 1 patents #9 of 41Top 25%
📍 Sacramento, CA: #2 of 1,687 inventorsTop 1%
🗺 California: #3,414 of 386,348 inventorsTop 1%
Overall (All Time): #22,767 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 1–25 of 80 patents

Patent #TitleCo-InventorsDate
10618522 Drowsiness detection and intervention system and method Yin Bo Liu, Chi Hang Louie, Man Kit Bryan So, Tin Y. Chan, Wu Ming Lai +1 more 2020-04-14
10174246 Red-emitting nitride-based calcium-stabilized phosphors Shengfeng Liu, Yi-Qun Li, Dejie Tao 2019-01-08
9793240 Multiple die layout for facilitating the combining of an individual die into a single die Jean-Luc Nauleau 2017-10-17
9260659 Red-emitting nitride-based calcium-stablized phosphors Shengfeng Liu, Yi-Qun Li, Dejie Tao 2016-02-16
8946868 Multiple die layout for facilitating the combining of an individual die into a single die Jean-Luc Nauleau 2015-02-03
8681026 Digital to analog converter Jinwen Xiao, Pavel Konecny, Axel Thomsen 2014-03-25
8597545 Red-emitting nitride-based calcium-stabilized phosphors Shengfeng Liu, Yi-Qun Li, Dejie Tao 2013-12-03
8451032 Capacitive isolator with schmitt trigger Zhiwei Dong 2013-05-28
8441325 Isolator with complementary configurable memory Phil A. Callahan, Ahsan Javed, Zhiwei Dong, Axel Thomsen, Donald E. Alfano +1 more 2013-05-14
8198951 Capacitive isolation circuitry Zhiwei Dong, Shouli Yan, Axel Thomsen, William Tang 2012-06-12
8169108 Capacitive isolator Timothy J. Dupuis, Axel Thomsen, Zhiwei Dong 2012-05-01
7902627 Capacitive isolation circuitry with improved common mode detector Zhiwei Dong, Shouli Yan, Axel Thomsen, William Tang 2011-03-08
7855905 Digital power supply controller with integrated microcontroller Kafai Leung, Jinwen Xaio, Chia-Ling Wei, Alvin Storvik, Biranchinath Sahu +1 more 2010-12-21
7821428 MCU with integrated voltage isolator and integrated galvanically isolated asynchronous serial data link Donald E. Alfano, David P. Bresemann 2010-10-26
7802113 MCU with on-chip boost converter controller Alan L. Westwick 2010-09-21
7737871 MCU with integrated voltage isolator to provide a galvanic isolation between input and output Donald E. Alfano, David P. Bresemann 2010-06-15
7701685 Digital pulse width modulator with built-in protection functions for over current, over voltage and temperature Kafai Leung, Donald E. Alfano 2010-04-20
7680976 Method and apparatus for emulating rewritable memory with non-rewritable memory in an MCU 2010-03-16
7660968 Reconfigurable interface for coupling functional input/output blocks to limited number of I/O pins Donald E. Alfano, Danny J. Allred, Douglas S. Piasecki, Kenneth W. Fernald, Brian Caloway +3 more 2010-02-09
7640455 Digital PWM controller with programmable safe state in presence of fault Kafai Leung, Donald E. Alfano 2009-12-29
7613901 Comparators in IC with programmably controlled positive / negative hysteresis level and open-drain / push-pull output coupled to crossbar switch or rising / falling edge interrupt generation Donald E. Alfano, Danny J. Allred, Douglas S. Piasecki, Kenneth W. Fernald, Brian Caloway +3 more 2009-11-03
7606626 Speaking thermometer 2009-10-20
7518350 MCU/driver point of load digital controller with optimized voltage 2009-04-14
7511465 Digital pulse width modulated power supply with variable LSB Jinwen Xiao, Douglas R. Holberg 2009-03-31
7504900 Integrated circuit package including programmable oscillators Donald E. Alfano, Danny J. Allred, Douglas S. Piasecki, Kenneth W. Fernald, Brian Caloway +3 more 2009-03-17