Inventor · disambiguated record
James Chingwei Li
Also filed as: LI JAMES CHINGWEI
50 granted patents·6 pending applications·264 citations·filing 2002–2019
98Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC29HRL LAB LLC11LI JAMES CHINGWEI6ROCKWELL SCIENT LICENSING LLC5INNOVATIVE TECH LICENSING LLC3
Top patents by PatentIndex Score
56 records- 0194US9087854B1Thermal management for heterogeneously integrated technologyHRL LAB LLC·Filed 2014·Granted Jul 21, 2015·17 cites·26 claims
- 0293US10515872B1Metallic sub-collector for HBT and BJT transistorsHRL LAB LLC·Filed 2016·Granted Dec 24, 2019·9 cites·9 claims
- 0392US8860092B1Metallic sub-collector for HBT and BJT transistorsLI JAMES CHINGWEI·Filed 2008·Granted Oct 14, 2014·20 cites·10 claims
- 0491US9912348B1Method and apparatus for hybrid delta-sigma and Nyquist data convertersGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Mar 6, 2018·9 cites·19 claims
- 0591US9755677B2Testing tone free close loop notch frequency calibration for delta-sigma data convertersGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Sep 5, 2017·6 cites·16 claims
- 0691US9515068B1Monolithic integration of GaN and InP componentsHRL LAB LLC·Filed 2013·Granted Dec 6, 2016·12 cites·10 claims
- 0788US9813089B2Digital predistortion linearization for power amplifiersGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Nov 7, 2017·4 cites·20 claims
- 0885US9698845B2High oversampling ratio dynamic element matching scheme for high dynamic range digital to RF data conversion for radio communication systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jul 4, 2017·5 cites·20 claims
- 0985US8587037B1Test structure to monitor the in-situ channel temperature of field effect transistorsLI JAMES CHINGWEI·Filed 2009·Granted Nov 19, 2013·8 cites·14 claims
- 1085US7470619B1Interconnect with high aspect ratio plugged viasHRL LAB LLC·Filed 2006·Granted Dec 30, 2008·16 cites·30 claims
- 1184US9985809B2Dynamic range of wideband RF front end using delta sigma converters with envelope tracking and injected digitally equalized transmit signalGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 29, 2018·5 cites·21 claims
- 1284US9853843B2Software programmable, multi-segment capture bandwidth, delta-sigma modulators for flexible radio communication systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Dec 26, 2017·5 cites·20 claims
- 1384US9692458B2Software programmable cellular radio architecture for telematics and infotainmentGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jun 27, 2017·5 cites·20 claims
- 1484US9660690B2Optimized data converter design using mixed semiconductor technology for flexible radio communication systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 23, 2017·5 cites·18 claims
- 1581US9537514B2High oversampling ratio dynamic element matching scheme for high dynamic range digital to RF data conversion for cellular communicationsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jan 3, 2017·5 cites·20 claims
- 1680US9622181B2Power efficient, variable sampling rate delta-sigma data converters for flexible radio communication systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Apr 11, 2017·3 cites·20 claims
- 1779US9608661B2Software programmable cellular radio architecture for wide bandwidth radio systems including telematics and infotainment systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Mar 28, 2017·2 cites·32 claims
- 1879US7868335B1Modulation doped super-lattice sub-collector for high-performance HBTs and BJTsHRL LAB LLC·Filed 2008·Granted Jan 11, 2011·7 cites·41 claims
- 1978US8178946B1Modulation doped super-lattice base for heterojunction bipolar transistorsLI JAMES CHINGWEI·Filed 2009·Granted May 15, 2012·6 cites·22 claims
- 2078US6605825B1Bipolar transistor characterization apparatus with lateral test probe padsINNOVATIVE TECH LICENSING LLC·Filed 2002·Granted Aug 12, 2003·17 cites·22 claims
- 2175US10404293B2Dynamic frequency correction in delta-sigma based software defined receiverGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Sep 3, 2019·2 cites·1 claims
- 2275US6958491B1Bipolar transistor test structure with lateral test probe padsROCKWELL SCIENT LICENSING LLC·Filed 2003·Granted Oct 25, 2005·14 cites·15 claims
- 2373US9780942B2Optimized data converter design using mixed semiconductor technology for cellular communicationsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Oct 3, 2017·2 cites·20 claims
- 2472US9722647B2Calibration techniques for sigma delta transceiversGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Aug 1, 2017·1 cites·19 claims
- 2572US9698855B1Performance optimization of power scaled delta sigma modulators using a reconfigurable gm-arrayGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 4, 2017·1 cites·20 claims
- 2671US6949776B2Heterojunction bipolar transistor with dielectric assisted planarized contacts and method for fabricatingROCKWELL SCIENT LICENSING LLC·Filed 2002·Granted Sep 27, 2005·14 cites·25 claims
- 2771US6858887B1BJT device configuration and fabrication method with reduced emitter widthINNOVATIVE TECH LICENSING LLC·Filed 2003·Granted Feb 22, 2005·16 cites·18 claims
- 2871US6800531B2Method of fabricating a bipolar transistorROCKWELL SCIENT LICENSING LLC·Filed 2003·Granted Oct 5, 2004·14 cites·6 claims
- 2971US6797995B2Heterojunction bipolar transistor with InGaAs contact and etch stop layer for InP sub-collectorROCKWELL SCIENT LICENSING LLC·Filed 2002·Granted Sep 28, 2004·14 cites·28 claims
- 3069US9099397B1Fabrication of self aligned base contacts for bipolar transistorsLI JAMES CHINGWEI·Filed 2012·Granted Aug 4, 2015·2 cites·14 claims
- 3168US10110247B1Method and apparatus for temperature compensation for data converters for automobile applicationsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Oct 23, 2018·1 cites·20 claims
- 3267US9508552B1Method for forming metallic sub-collector for HBT and BJT transistorsLI JAMES CHINGWEI·Filed 2014·Granted Nov 29, 2016·1 cites·9 claims
- 3363US10211855B2Apparatus for multi carrier aggregation in a software defined radioGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Feb 19, 2019·1 cites·16 claims
- 3463US7531851B1Electronic device with reduced interface charge between epitaxially grown layers and a method for making the sameHRL LAB LLC·Filed 2007·Granted May 12, 2009·6 cites·10 claims
- 3561US8957455B1Modulation doped super-lattice base for heterojunction bipolar transistorsLI JAMES CHINGWEI·Filed 2012·Granted Feb 17, 2015·1 cites·19 claims
- 3656US9383266B1Test structure to monitor the in-situ channel temperature of field effect transistorsHRL LAB LLC·Filed 2013·Granted Jul 5, 2016·0 cites·16 claims
- 3756US8575659B1Carbon-beryllium combinationally doped semiconductorBUI STEVEN S·Filed 2011·Granted Nov 5, 2013·1 cites·20 claims
- 3853US9648562B2Transceiver front-end circuit for a cellular radio that employs components for reducing power consumptionGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted May 9, 2017·0 cites·20 claims
- 3953US6870184B2Mechanically-stable BJT with reduced base-collector capacitanceINNOVATIVE TECH LICENSING LLC·Filed 2003·Granted Mar 22, 2005·5 cites·21 claims
- 4052US11614543B2Transimpedance amplifier for Lidar systemGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Mar 28, 2023·0 cites·16 claims
- 4150US10361731B2Interleaved sigma delta modulator based SDR transmitterHRL LAB LLC·Filed 2017·Granted Jul 23, 2019·0 cites·23 claims
- 4250US6815237B1Testing apparatus and method for determining an etch bias associated with a semiconductor-processing stepROCKWELL SCIENT LICENSING LLC·Filed 2003·Granted Nov 9, 2004·2 cites·4 claims
- 4350US2018109272A1Dynamic frequency correction in delta-sigma based software defined receiverGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 4449US9691761B1Monolithic integration of GaN and InP componentsHRL LAB LLC·Filed 2016·Granted Jun 27, 2017·0 cites·11 claims
- 4548US10158344B2Tunable bandpass filterGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Dec 18, 2018·0 cites·17 claims
- 4648US9622173B2Power efficient, variable sampling rate delta-sigma data converters for cellular communications systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Apr 11, 2017·0 cites·20 claims
- 4747US11867844B2Lidar spectrum analyzerGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Jan 9, 2024·0 cites·15 claims
- 4847US9531571B2Agile radio architectureHRL LAB LLC·Filed 2013·Granted Dec 27, 2016·0 cites·32 claims
- 4946US7354820B2Heterojunction bipolar transistor with dielectric assisted planarized contacts and method for fabricatingTELEDYNE LICENSING LLC·Filed 2005·Granted Apr 8, 2008·0 cites·7 claims
- 5041US9722638B2Software programmable, multi-segment capture bandwidth, delta-sigma modulators for cellular communicationsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Aug 1, 2017·0 cites·20 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →