Inventor
LI DAVID
GB71 patents
⚠️ This page may combine multiple inventors who share the name “LI DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SNAP INC
28 patentsUS11087543B1Aug 10, 2021
Crowd sourced mapping system
SNAP INC13 citations94
US10956743B1Mar 23, 2021
Shared augmented reality system
SNAP INC21 citations93
US11263459B2Mar 1, 2022
Shared augmented reality system
SNAP INC6 citations84
US11107279B1Aug 31, 2021
3D paint effects in a messaging system
SNAP INC7 citations84
US11107255B2Aug 31, 2021
Interactive augmented reality system
SNAP INC6 citations84
US11972529B2Apr 30, 2024
Augmented reality system
SNAP INC5 citations75
US11983307B2May 14, 2024
Occlusion detection system
SNAP INC1 citations73
US11721072B2Aug 8, 2023
Interactive augmented reality system
SNAP INC1 citations73
US11687150B2Jun 27, 2023
Occlusion detection system
SNAP INC2 citations73
US11625895B2Apr 11, 2023
3D paint effects in a messaging system
SNAP INC2 citations73
US11598643B2Mar 7, 2023
Augmented reality guidance interface
SNAP INC3 citations73
US11488368B2Nov 1, 2022
Crowd sourced mapping system
SNAP INC2 citations73
US11488358B2Nov 1, 2022
Augmented reality session creation using skeleton tracking
SNAP INC2 citations73
US11481932B2Oct 25, 2022
Interactive augmented reality system
SNAP INC1 citations73
US11361493B2Jun 14, 2022
Semantic texture mapping system
SNAP INC1 citations73
US11151408B2Oct 19, 2021
Occlusion detection system
SNAP INC3 citations73
US10810782B1Oct 20, 2020
Semantic texture mapping system
SNAP INC4 citations73
US11776256B2Oct 3, 2023
Shared augmented reality system
SNAP INC2 citations72
US11721025B2Aug 8, 2023
World-space segmentation
SNAP INC1 citations72
US11398036B2Jul 26, 2022
World-space segmentation
SNAP INC1 citations72
US12578783B2Mar 17, 2026
Addressable augmented-reality content
SNAP INC0 citations62
US12379772B2Aug 5, 2025
Occlusion detection system
SNAP INC0 citations62
US12211148B2Jan 28, 2025
Interactive augmented reality system
SNAP INC0 citations62
US12211157B2Jan 28, 2025
Crowd sourced mapping system
SNAP INC0 citations62
US12203768B2Jan 21, 2025
Augmented reality guidance interface
SNAP INC0 citations62
US12198376B2Jan 14, 2025
Marker-based shared augmented reality session creation
SNAP INC0 citations62
US12062134B2Aug 13, 2024
Location based augmented-reality system
SNAP INC0 citations62
US12039658B2Jul 16, 2024
Semantic texture mapping system
SNAP INC0 citations62
COGNEX CORP
9 patentsUS6118893ASep 12, 2000
Analysis of an image of a pattern of discrete objects
COGNEX CORP50 citations96
US5673334ASep 30, 1997
Method and apparatus for inspection of characteristics on non-rigid packages
COGNEX CORP66 citations96
US6289117B1Sep 11, 2001
Analysis of an image of a pattern of discrete objects
COGNEX CORP17 citations93
US6141009AOct 31, 2000
Interface for model definition
COGNEX CORP12 citations74
US6130959AOct 10, 2000
Analyzing an image of an arrangement of discrete objects
COGNEX CORP15 citations74
US6115042ASep 5, 2000
Interface for model definition
COGNEX CORP12 citations74
US6067376AMay 23, 2000
Classifying pixels of an image
COGNEX CORP8 citations74
US10032273B2Jul 24, 2018
Machine vision system calibration using inaccurate calibration targets
COGNEX CORP2 citations73
US6055328AApr 25, 2000
Analyzing an acquired arrangement of object locations
COGNEX CORP4 citations63
QUALCOMM INC
4 patentsUS9401201B1Jul 26, 2016
Write driver for memory
QUALCOMM INC21 citations92
US9997208B1Jun 12, 2018
High-speed level shifter
QUALCOMM INC3 citations73
US9940987B2Apr 10, 2018
High-speed word line decoder and level-shifter
QUALCOMM INC2 citations73
US11450359B1Sep 20, 2022
Memory write methods and circuits
QUALCOMM INC4 citations70
ASSURED ENTPR INC
2 patentsNORTEL NETWORKS LTD
1 patentOPLINK COMMUNICATIONS INC
1 patentMEILOON IND CO LTD
1 patentWANG LEI
1 patentELUM TECH INC
1 patentUNIV WASHINGTON
1 patentLATTICE SEMICONDUCTOR CORP
1 patentShowing the top 50 of 71 patents by PatentIndex Score.