Leung; Ka Y.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Leung; Ka Y..The latest application filed is for "red-emitting nitride-based calcium-stabilized phosphors".

Company Profile

1.71.65

Leung; Ka Y. - Sacramento CA
Leung; Ka Y. - Austin TX
Leung; Ka Y - Austin TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Red-emitting nitride-based calcium-stabilized phosphors Grant 10,174,246 - Liu , et al. J	2019-01-08
Multiple die layout for facilitating the combining of an individual die into a single die Grant 9,793,240 - Leung , et al. October 17, 2	2017-10-17
Red-emitting Nitride-based Calcium-stabilized Phosphors App 20160264863 - Liu; Shengfeng ; et al.	2016-09-15
Red-emitting nitride-based calcium-stablized phosphors Grant 9,260,659 - Liu , et al. February 16, 2	2016-02-16
Multiple Die Layout For Facilitating The Combining Of An Individual Die Inoto A Single Die App 20150294954 - LEUNG; KA Y. ; et al.	2015-10-15
Multiple die layout for facilitating the combining of an individual die into a single die Grant 8,946,868 - Leung , et al. February 3, 2	2015-02-03
Red-emitting Nitride-based Calcium-stablized Phosphors App 20140084783 - Liu; Shengfeng ; et al.	2014-03-27
Digital to analog converter Grant 8,681,026 - Xiao , et al. March 25, 2	2014-03-25
Red-emitting nitride-based calcium-stabilized phosphors Grant 8,597,545 - Liu , et al. December 3, 2	2013-12-03
Digital To Analog Converter App 20130222162 - Xiao; Jinwen ; et al.	2013-08-29
Capacitive isolator with schmitt trigger Grant 8,451,032 - Dong , et al. May 28, 2	2013-05-28
Isolator with complementary configurable memory Grant 8,441,325 - Callahan , et al. May 14, 2	2013-05-14
Capacative Isolator With Schmitt Trigger App 20120161841 - Dong; Zhiwei ; et al.	2012-06-28
Capacitive isolation circuitry Grant 8,198,951 - Dong , et al. June 12, 2	2012-06-12
Capacitive isolator Grant 8,169,108 - Dupuis , et al. May 1, 2	2012-05-01
Multiple Die Layout For Facilitating The Combining Of An Individual Die Into A Single Die App 20110073996 - LEUNG; KA Y. ; et al.	2011-03-31
Capacitive isolation circuitry with improved common mode detector Grant 7,902,627 - Dong , et al. March 8, 2	2011-03-08
Digital power supply controller with integrated microcontroller Grant 7,855,905 - Leung , et al. December 21, 2	2010-12-21
MCU with integrated voltage isolator and integrated galvanically isolated asynchronous serial data link Grant 7,821,428 - Leung , et al. October 26, 2	2010-10-26
MCU with on-chip boost converter controller Grant 7,802,113 - Westwick , et al. September 21, 2	2010-09-21
MCU with integrated voltage isolator to provide a galvanic isolation between input and output Grant 7,737,871 - Leung , et al. June 15, 2	2010-06-15
Digital pulse width modulator with built-in protection functions for over current, over voltage and temperature Grant 7,701,685 - Leung , et al. April 20, 2	2010-04-20
Method and apparatus for emulating rewritable memory with non-rewritable memory in an MCU Grant 7,680,976 - Leung March 16, 2	2010-03-16
Isolator With Complementary Configurable Memory App 20100052826 - CALLAHAN; PHIL A. ; et al.	2010-03-04
Reconfigurable interface for coupling functional input/output blocks to limited number of I/O pins Grant 7,660,968 - Alfano , et al. February 9, 2	2010-02-09
Digital PWM controller with programmable safe state in presence of fault Grant 7,640,455 - Leung , et al. December 29, 2	2009-12-29
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 Grant 7,613,901 - Alfano , et al. November 3, 2	2009-11-03
Speaking thermometer Grant 7,606,626 - Leung October 20, 2	2009-10-20
Capacitive Isolation Circuitry With Improved Common Mode Detector App 20090243028 - DONG; ZHIWEI ; et al.	2009-10-01
Capacitive Isolation Circuitry App 20090213914 - DONG; ZHIWEI ; et al.	2009-08-27
MCU/driver point of load digital controller with optimized voltage Grant 7,518,350 - Leung April 14, 2	2009-04-14
Digital pulse width modulated power supply with variable LSB Grant 7,511,465 - Xiao , et al. March 31, 2	2009-03-31
Integrated circuit package including programmable oscillators Grant 7,504,900 - Alfano , et al. March 17, 2	2009-03-17
Distributed power supply system with separate SYNC control for controlling remote digital DC/DC converters Grant 7,502,240 - Leung , et al. March 10, 2	2009-03-10
Digital PWM controller for digital power supply having programmable dead times Grant 7,498,787 - Leung , et al. March 3, 2	2009-03-03
Analog-to-digital converter with low power track-and-hold mode Grant 7,498,962 - Alfano , et al. March 3, 2	2009-03-03
MCU with low power mode of operation Grant 7,493,505 - Leung February 17, 2	2009-02-17
Mcu With Integrated Voltage Isolator To Provide A Galvanic Isolation Between Input And Output App 20090027243 - LEUNG; KA Y. ; et al.	2009-01-29
Capacitive Isolator App 20090017773 - DUPUIS; TIMOTHY ; et al.	2009-01-15
Digital Power Supply Controller With Integrated Microcontroller App 20090013199 - LEUNG; KA Y. ; et al.	2009-01-08
Mcu With Integrated Voltage Isolator And Integrated Galvanically Isolated Asynchronous Serial Data Link App 20080317106 - Leung; Ka Y. ; et al.	2008-12-25
Digital controller based power factor correction circuit Grant 7,456,621 - Leung , et al. November 25, 2	2008-11-25
Plural load distributed power supply system with shared master for controlling remote digital DC/DC converters Grant 7,446,430 - Leung , et al. November 4, 2	2008-11-04
Method And Apparatus For Emulating Rewritable Memory With Non-rewritable Memory In An Mcu App 20080244151 - Leung; Ka Y.	2008-10-02
Digital PWM controller Grant 7,428,159 - Leung , et al. September 23, 2	2008-09-23
Digital power supply controller with integrated microcontroller Grant 7,426,645 - Leung , et al. September 16, 2	2008-09-16
Finite state machine digital pulse width modulator for a digitally controlled power supply Grant 7,426,123 - Leung , et al. September 16, 2	2008-09-16
Digital power supply with programmable soft start Grant 7,417,877 - Leung , et al. August 26, 2	2008-08-26
Digital Pulse Width Modulated Power Supply With Variable Lsb App 20080136391 - XIAO; JINWEN ; et al.	2008-06-12
Package For Mixed Signal Mcu With Minimal Pin Count App 20080079148 - LEUNG; KA Y. ; et al.	2008-04-03
Digital pulse width modulated power supply with variable LSB Grant 7,323,855 - Xiao , et al. January 29, 2	2008-01-29
Digital power supply controller with voltage positioning Grant 7,319,312 - Leung , et al. January 15, 2	2008-01-15
Gain control for delta sigma analog-to-digital converter Grant 7,315,200 - Holberg , et al. January 1, 2	2008-01-01
System And Method For Programming Integrated Circuit Package Via Jtag Interface App 20070300046 - ALFANO; DONALD E. ; et al.	2007-12-27
Reconfigurable Processor Integrated Circuit App 20070300047 - ALFANO; DONALD E. ; et al.	2007-12-27
Integrated Circuit Package Including Programmable Comparators App 20070296478 - ALFANO; DONALD E. ; et al.	2007-12-27
Digital PWM controller for preventing limit cycle oscillations Grant 7,301,488 - Leung , et al. November 27, 2	2007-11-27
Integrated Circuit Package Including Programmable Oscillators App 20070216548 - ALFANO; DONALD E. ; et al.	2007-09-20
MCU with low power mode of operation App 20070168681 - Leung; Ka Y.	2007-07-19
PID based controller for DC--DC converter with post-processing filters Grant 7,245,512 - Leung , et al. July 17, 2	2007-07-17
MCU/driver point of load digital controller with optimized voltage App 20070139973 - Leung; Ka Y.	2007-06-21
Mcu With On-chip Boost Converter Controller App 20070132436 - Westwick; Alan L. ; et al.	2007-06-14
Analog-to-digital Converter With Low Power Track-and-hold Mode App 20070103357 - ALFANO; DONALD E. ; et al.	2007-05-10
DPWM with leading edge blanker circuit Grant 7,212,061 - Leung , et al. May 1, 2	2007-05-01
DMA controller that restricts ADC from memory without interrupting generation of digital words when CPU accesses memory Grant 7,188,199 - Leung , et al. March 6, 2	2007-03-06
Digital Controller Based Power Factor Correction Circuit App 20070036212 - Leung; Ka Y. ; et al.	2007-02-15
Reconfigurable interface for coupling functional input/output blocks to limited number of i/o pins Grant 7,171,542 - Alfano , et al. January 30, 2	2007-01-30
Distributed power supply system with separate SYNC control for controlling remote digital DC/DC converters App 20060279969 - Leung; Kafai ; et al.	2006-12-14
Distributed power supply system with shared master for controlling remote digital DC/DC converter App 20060244570 - Leung; Kafai ; et al.	2006-11-02
Digital PWM controller for preventing limit cycle oscillations App 20060227860 - Leung; Ka Y. ; et al.	2006-10-12
Digital PWM controller App 20060220938 - Leung; Ka Y. ; et al.	2006-10-05
Digital pulse width modulated power supply with variable LSB App 20060220630 - Xiao; Jinwen ; et al.	2006-10-05
Programmable pattern generator for digital power supply controller App 20060214711 - Fick; Preston Forest ; et al.	2006-09-28
Low power PLL for PWM switching digital control power supply Grant 7,113,011 - Leung , et al. September 26, 2	2006-09-26
Digital DC/DC converter with SYNC control App 20060172783 - Leung; Kafai ; et al.	2006-08-03
Flash ADC with variable LSB Grant 7,061,421 - Xiao , et al. June 13, 2	2006-06-13
Fast-settling digital filter and method for analog-to-digital converters Grant 7,047,263 - Todsen , et al. May 16, 2	2006-05-16
Digital PWM controller with efficiency optimization as a function of PWM duty cycle App 20060083037 - Leung; Ka Y. ; et al.	2006-04-20
Finite state machine digital pulse width modulator for a digitally controlled power supply App 20060033650 - Leung; Ka Y. ; et al.	2006-02-16
Digital power supply with programmable soft start App 20060033647 - Leung; Ka Y. ; et al.	2006-02-16
Digital power supply controller with integrated microcontroller App 20060022852 - Leung; Ka Y. ; et al.	2006-02-02
DPWM with built-in protection functions for over current, over voltage and temperature App 20060022731 - Leung; Kafai ; et al.	2006-02-02
DPWM with leading edge blanker circuit App 20060022732 - Leung; Kafai ; et al.	2006-02-02
PID based controller for DC-DC converter with post-processing filters App 20060023479 - Leung; Ka Y. ; et al.	2006-02-02
Digital PWM controller with programmable safe state in presence of fault App 20060022851 - Leung; Ka Y. ; et al.	2006-02-02
Digital power supply controller with voltage positioning App 20060025892 - Leung; Ka Y. ; et al.	2006-02-02
Digital PWM controller with efficiency optimization App 20060023781 - Leung; Ka Y. ; et al.	2006-02-02
Digital PWM controller for digital power supply having programmable dead times App 20060022656 - Leung; Kafai ; et al.	2006-02-02
Low power PLL for PWM switching digital control power supply App 20050280458 - Leung, Ka Y. ; et al.	2005-12-22
Speaking thermometer App 20050283261 - Leung, Ka Y.	2005-12-22
SAR with partial capacitor sampling to reduce parasitic capacitance Grant 6,977,607 - Leung , et al. December 20, 2	2005-12-20
SAR data converter with unequal clock pulses for MSBS to allow for settling Grant 6,956,520 - Leung , et al. October 18, 2	2005-10-18
Method and apparatus for subclocking a SAR analog-to-digital converter Grant 6,956,518 - Piasecki , et al. October 18, 2	2005-10-18
Common centroid layout for parallel resistors in an amplifier with matched AC performance Grant 6,954,167 - Leung October 11, 2	2005-10-11
Open loop common mode driver for switched capacitor input to SAR Grant 6,954,170 - Leung October 11, 2	2005-10-11
Mixed Signal Processor With Noise Management App 20050219086 - Piasecki, Douglas ; et al.	2005-10-06
Method And Apparatus For Subclocking A Sar Analog-to-digital Converter App 20050219108 - Piasecki, Douglas ; et al.	2005-10-06
Gain control for delta sigma analog-to-digital converter App 20050219065 - Holberg, Douglas ; et al.	2005-10-06
Mixed signal processor with noise management Grant 6,950,044 - Piasecki , et al. September 27, 2	2005-09-27
Noise cancellation in a single ended SAR converter Grant 6,950,052 - Leung September 27, 2	2005-09-27
SAR analog-to-digital converter with abort function Grant 6,922,164 - Piasecki , et al. July 26, 2	2005-07-26
Capacitor calibration in SAR converter Grant 6,891,487 - Leung , et al. May 10, 2	2005-05-10
SAR analog-to-digital converter with two single ended inputs Grant 6,882,298 - Leung , et al. April 19, 2	2005-04-19
High speed comparator for a SAR converter with resistor loading and resistor bias to control common mode bias Grant 6,882,295 - Leung April 19, 2	2005-04-19
High voltage difference amplifier with spark gap ESD protection Grant 6,879,004 - Leung , et al. April 12, 2	2005-04-12
DMA controlled for mixed signal device App 20040267986 - Leung, Kafai ; et al.	2004-12-30
SAR with partial capacitor sampling to reduce parasitic capacitance App 20040257256 - Leung, Ka Y. ; et al.	2004-12-23
High speed comparator for a SAR converter with resistor loading and resistor bias to control common mode bias App 20040246158 - Leung, Ka Y.	2004-12-09
Open loop common mode driver for switched capacitor input to SAR App 20040246161 - Leung, Ka Y.	2004-12-09
Noise cancellation in a single ended SAR converter App 20040246163 - Leung, Ka Y.	2004-12-09
High speed comparator with blocking switches for SAR convertor App 20040246159 - Leung, Ka Y. ; et al.	2004-12-09
SAR analog-to-digital converter with two single ended inputs App 20040246160 - Leung, Ka Y. ; et al.	2004-12-09
Capacitor calibration in SAR converter App 20040246153 - Leung, Ka Y. ; et al.	2004-12-09
Common centroid layout for parallel resistors in an amplifier with matched AC performance App 20040246164 - Leung, Ka Y.	2004-12-09
SAR data converter with unequal clock pulses for MSBS to allow for settleing App 20040246162 - Leung, Ka Y. ; et al.	2004-12-09
High voltage difference amplifier with spark gap ESD protection App 20040084729 - Leung, Ka Y. ; et al.	2004-05-06
Segmented D/A converter with enhanced dynamic range Grant 6,724,336 - Leung , et al. April 20, 2	2004-04-20
Method of forming D/A resistor strings with cross coupling switches Grant 6,642,877 - Leung November 4, 2	2003-11-04
Input buffer for analog-to-digital convertor Grant 6,538,477 - Leung , et al. March 25, 2	2003-03-25
Fast-settling digital filter and method for analog-to-digital converters App 20030037083 - Todsen, James L. ; et al.	2003-02-20
Input Buffer For Analog-to-digital Convertor App 20030020519 - Leung, Ka Y. ; et al.	2003-01-30
Method of forming D/A resistor strings with cross coupling switches App 20020186158 - Leung, Ka Y.	2002-12-12
Segmented D/A converter with enhanced dynamic range App 20020163460 - Leung, Ka Y. ; et al.	2002-11-07
Parasitic insensitive capacitor in d/a converter Grant 6,452,778 - Leung , et al. September 17, 2	2002-09-17
Dual sub-DAC resistor strings with analog interpolation Grant 6,448,916 - Leung September 10, 2	2002-09-10
DAC using current source driving main resistor string Grant 6,448,917 - Leung , et al. September 10, 2	2002-09-10
D/A resistor strings with cross coupling switches Grant 6,433,717 - Leung August 13, 2	2002-08-13
Segemented D/A converter with enhanced dynamic range Grant 6,384,763 - Leung , et al. May 7, 2	2002-05-07
Method And Apparatus For Storing Digital Audio And Playback Thereof App 20020032571 - LEUNG, KA Y. ; et al.	2002-03-14
Comparator-amplifier configuration in an ADC Grant 6,313,779 - Leung , et al. November 6, 2	2001-11-06
Programmable gain ADC Grant 6,307,497 - Leung , et al. October 23, 2	2001-10-23

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