Inventor

LI JAMES CHINGWEI

US50 patents

⚠️ This page may combine multiple inventors who share the name “LI JAMES CHINGWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LI JAMES CHINGWEI

GM GLOBAL TECH OPERATIONS LLC

Method and apparatus for hybrid delta-sigma and Nyquist data converters

Digital predistortion linearization for power amplifiers

Testing tone free close loop notch frequency calibration for delta-sigma data converters

Dynamic frequency correction in delta-sigma based software defined receiver

Dynamic range of wideband RF front end using delta sigma converters with envelope tracking and injected digitally equalized transmit signal

Software programmable, multi-segment capture bandwidth, delta-sigma modulators for flexible radio communication systems

Optimized data converter design using mixed semiconductor technology for cellular communications

High oversampling ratio dynamic element matching scheme for high dynamic range digital to RF data conversion for radio communication systems

Software programmable cellular radio architecture for telematics and infotainment

Optimized data converter design using mixed semiconductor technology for flexible radio communication systems

Power efficient, variable sampling rate delta-sigma data converters for flexible radio communication systems

Software programmable cellular radio architecture for wide bandwidth radio systems including telematics and infotainment systems

High oversampling ratio dynamic element matching scheme for high dynamic range digital to RF data conversion for cellular communications

Apparatus for multi carrier aggregation in a software defined radio

Calibration techniques for sigma delta transceivers

Performance optimization of power scaled delta sigma modulators using a reconfigurable gm-array

Transimpedance amplifier for Lidar system

Tunable bandpass filter

Method and apparatus for temperature compensation for data converters for automobile applications

Transceiver front-end circuit for a cellular radio that employs components for reducing power consumption

Power efficient, variable sampling rate delta-sigma data converters for cellular communications systems

Lidar spectrum analyzer

Software programmable, multi-segment capture bandwidth, delta-sigma modulators for cellular communications

HRL LAB LLC

Metallic sub-collector for HBT and BJT transistors

Thermal management for heterogeneously integrated technology

Modulation doped super-lattice sub-collector for high-performance HBTs and BJTs

Monolithic integration of GaN and InP components

Interconnect with high aspect ratio plugged vias

Electronic device with reduced interface charge between epitaxially grown layers and a method for making the same

Interleaved sigma delta modulator based SDR transmitter

Test structure to monitor the in-situ channel temperature of field effect transistors

Monolithic integration of GaN and InP components

Electronic device with reduced interface charge between epitaxially grown layers and a method for making the same

Agile radio architecture

LI JAMES CHINGWEI

Metallic sub-collector for HBT and BJT transistors

Test structure to monitor the in-situ channel temperature of field effect transistors

Modulation doped super-lattice base for heterojunction bipolar transistors

Fabrication of self aligned base contacts for bipolar transistors

Method for forming metallic sub-collector for HBT and BJT transistors

Modulation doped super-lattice base for heterojunction bipolar transistors

ROCKWELL SCIENT LICENSING LLC

Bipolar transistor test structure with lateral test probe pads

Heterojunction bipolar transistor with dielectric assisted planarized contacts and method for fabricating

Method of fabricating a bipolar transistor

Heterojunction bipolar transistor with InGaAs contact and etch stop layer for InP sub-collector

Testing apparatus and method for determining an etch bias associated with a semiconductor-processing step

INNOVATIVE TECH LICENSING LLC

Bipolar transistor characterization apparatus with lateral test probe pads

BJT device configuration and fabrication method with reduced emitter width

Mechanically-stable BJT with reduced base-collector capacitance

TELEDYNE LICENSING LLC

Heterojunction bipolar transistor with dielectric assisted planarized contacts and method for fabricating

BUI STEVEN S

Carbon-beryllium combinationally doped semiconductor