Inventor
LIU XINQIAO
US118 patents
⚠️ This page may combine multiple inventors who share the name “LIU XINQIAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FACEBOOK TECH LLC
33 patentsUS11236993B1Feb 1, 2022
Depth sensing using a time of flight system including a scanning beam in combination with a single photon avalanche diode array
FACEBOOK TECH LLC59 citations98
US10466779B1Nov 5, 2019
Event camera for eye tracking
FACEBOOK TECH LLC70 citations98
US11057581B2Jul 6, 2021
Digital pixel array with multi-stage readouts
FACEBOOK TECH LLC31 citations95
US10951849B2Mar 16, 2021
Digital pixel image sensor
FACEBOOK TECH LLC21 citations94
US10897586B2Jan 19, 2021
Global shutter image sensor
FACEBOOK TECH LLC35 citations94
US10834344B2Nov 10, 2020
Digital pixel with extended dynamic range
FACEBOOK TECH LLC20 citations94
US10812742B2Oct 20, 2020
Apparatus and method for determining whether a photodiode saturates and outputting a digital value representing a charge from that photodiode based on that determination
FACEBOOK TECH LLC20 citations94
US10726627B2Jul 28, 2020
Sensor system based on stacked sensor layers
FACEBOOK TECH LLC34 citations94
US10686996B2Jun 16, 2020
Digital pixel with extended dynamic range
FACEBOOK TECH LLC25 citations94
US10608101B2Mar 31, 2020
Detection circuit for photo sensor with stacked substrates
FACEBOOK TECH LLC25 citations94
US10598546B2Mar 24, 2020
Detecting high intensity light in photo sensor
FACEBOOK TECH LLC25 citations94
US10419701B2Sep 17, 2019
Digital pixel image sensor
FACEBOOK TECH LLC34 citations94
US10929997B1Feb 23, 2021
Selective propagation of depth measurements using stereoimaging
FACEBOOK TECH LLC14 citations93
US10764526B1Sep 1, 2020
Spatial derivative pixel array with adaptive quantization
FACEBOOK TECH LLC21 citations93
US11595598B2Feb 28, 2023
Global shutter image sensor
FACEBOOK TECH LLC7 citations86
US11089241B2Aug 10, 2021
Pixel cell with multiple photodiodes
FACEBOOK TECH LLC9 citations86
US11089210B2Aug 10, 2021
Configurable image sensor
FACEBOOK TECH LLC15 citations86
US11004881B2May 11, 2021
Global shutter image sensor
FACEBOOK TECH LLC17 citations86
US10969273B2Apr 6, 2021
Analog-to-digital converter having programmable quantization resolution
FACEBOOK TECH LLC17 citations86
US10917589B2Feb 9, 2021
Digital pixel with extended dynamic range
FACEBOOK TECH LLC17 citations86
US10903260B2Jan 26, 2021
Multi-photodiode pixel cell
FACEBOOK TECH LLC17 citations86
US10825854B2Nov 3, 2020
Stacked photo sensor assembly with pixel level interconnect
FACEBOOK TECH LLC16 citations86
US10804926B2Oct 13, 2020
Charge leakage compensation in analog-to-digital converter
FACEBOOK TECH LLC18 citations86
US11463636B2Oct 4, 2022
Pixel sensor having multiple photodiodes
FACEBOOK TECH LLC10 citations85
US11218660B1Jan 4, 2022
Pixel sensor having shared readout structure
FACEBOOK TECH LLC9 citations85
US11315330B1Apr 26, 2022
Sensor system based on stacked sensor layers
FACEBOOK TECH LLC4 citations84
US10931884B2Feb 23, 2021
Pixel sensor having adaptive exposure time
FACEBOOK TECH LLC8 citations84
US10923523B2Feb 16, 2021
Multi-photodiode pixel cell
FACEBOOK TECH LLC8 citations84
US10714520B1Jul 14, 2020
Manufacturing an on-chip microlens array
FACEBOOK TECH LLC10 citations84
US10574973B2Feb 25, 2020
Non-mechanical beam steering for depth sensing
FACEBOOK TECH LLC10 citations84
US10491877B1Nov 26, 2019
Depth camera assembly using multiplexed sensor phase measurements to determine depth using fringe interferometry
FACEBOOK TECH LLC12 citations84
US10274758B1Apr 30, 2019
Optical linked sensor network
FACEBOOK TECH LLC10 citations84
US11195291B1Dec 7, 2021
Dynamic illumination control for depth determination
FACEBOOK TECH LLC6 citations83
UNIV LELAND STANFORD JUNIOR
5 patentsUS7061524B2Jun 13, 2006
Motion/saturation detection system and method for synthesizing high dynamic range motion blur free images from multiple captures
UNIV LELAND STANFORD JUNIOR78 citations98
US6927796B2Aug 9, 2005
CMOS image sensor system with self-reset digital pixel architecture for improving SNR and dynamic range
UNIV LELAND STANFORD JUNIOR56 citations96
US7009636B2Mar 7, 2006
Photocurrent estimation from multiple captures for simultaneous SNR and dynamic range improvement in CMOS image sensors
UNIV LELAND STANFORD JUNIOR26 citations92
US6963370B2Nov 8, 2005
Method for improving SNR in low illumination conditions in a CMOS video sensor system using a self-resetting digital pixel
UNIV LELAND STANFORD JUNIOR40 citations91
US6642543B1Nov 4, 2003
Thin and thick gate oxide transistors on a functional block of a CMOS circuit residing within the core of an IC chip
UNIV LELAND STANFORD JUNIOR31 citations91
CANESTA INC
4 patentsUS6906793B2Jun 14, 2005
Methods and devices for charge management for three-dimensional sensing
CANESTA INC219 citations99
US7526120B2Apr 28, 2009
System and method for providing intelligent airbag deployment
CANESTA INC55 citations98
US6919549B2Jul 19, 2005
Method and system to differentially enhance sensor dynamic range
CANESTA INC246 citations98
US7464351B2Dec 9, 2008
Method enabling a standard CMOS fab to produce an IC to sense three-dimensional information using augmented rules creating mask patterns not otherwise expressible with existing fab rules
CANESTA INC31 citations93
META PLATFORMS TECH LLC
3 patentsFAIRCHILD IMAGING INC
2 patentsFOWLER BOYD
1 patentFACEBOOK TECHNOLOGIES LLC
1 patentBAE SYSTEMS IMAGING SOLUTIONS INC
1 patentShowing the top 50 of 118 patents by PatentIndex Score.