Inventor
LIU SHIWEI
US49 patents
⚠️ This page may combine multiple inventors who share the name “LIU SHIWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VIVINT INC
17 patentsUS10527305B2Jan 7, 2020
HVAC ventilation air flow powered smart vent
VIVINT INC13 citations85
US9948479B2Apr 17, 2018
Identification graph theory
VIVINT INC12 citations84
US9942056B2Apr 10, 2018
Methods and systems for automatically monitoring user activity
VIVINT INC9 citations84
US10417883B2Sep 17, 2019
Doorbell camera package detection
VIVINT INC3 citations73
US10419235B2Sep 17, 2019
Methods and systems for automatically monitoring user activity
VIVINT INC4 citations73
US10178182B2Jan 8, 2019
Signal cloning
VIVINT INC2 citations73
US11326796B2May 10, 2022
HVAC ventilation air flow powered smart vent
VIVINT INC0 citations62
US11127268B2Sep 21, 2021
Doorbell camera package detection
VIVINT INC0 citations62
US11095721B1Aug 17, 2021
Signal cloning
VIVINT INC0 citations62
US10963701B2Mar 30, 2021
Techniques for identifying and indexing distinguishing features in a video feed
VIVINT INC0 citations62
US10798506B2Oct 6, 2020
Event detection by microphone
VIVINT INC1 citations60
US10505753B2Dec 10, 2019
Identification graph theory
VIVINT INC0 citations52
US10482751B1Nov 19, 2019
Occupancy detection by social media
VIVINT INC0 citations52
US9990832B2Jun 5, 2018
Occupancy detection by social media
VIVINT INC0 citations52
US9886633B2Feb 6, 2018
Techniques for identifying and indexing distinguishing features in a video feed
VIVINT INC1 citations51
US10257629B2Apr 9, 2019
Event detection by microphone
VIVINT INC0 citations50
US10354515B2Jul 16, 2019
Methods and system for providing an alarm trigger bypass
VIVINT INC0 citations41
DELTA ELECTRONICS SHANGHAI CO
10 patentsUS11482938B2Oct 25, 2022
Isolated resonant converter
DELTA ELECTRONICS SHANGHAI CO2 citations73
USD1103106SNov 25, 2025
Magnetic core
DELTA ELECTRONICS SHANGHAI CO0 citations62
US12198842B2Jan 14, 2025
Magnetic assembly and power supply apparatus
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11961657B2Apr 16, 2024
Multi-coil inductor
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11621123B2Apr 4, 2023
Multi-coil inductor
DELTA ELECTRONICS SHANGHAI CO1 citations62
USD932435SOct 5, 2021
Magnetic core
DELTA ELECTRONICS SHANGHAI CO0 citations62
US12512806B2Dec 30, 2025
Filter inductor and on-board-charger
DELTA ELECTRONICS SHANGHAI CO0 citations52
US11848128B2Dec 19, 2023
Magnetic component and power module
DELTA ELECTRONICS SHANGHAI CO0 citations52
US10998118B2May 4, 2021
PCB winding transformer and coil board thereof
DELTA ELECTRONICS SHANGHAI CO0 citations52
US11398344B2Jul 26, 2022
Transformer
DELTA ELECTRONICS SHANGHAI CO0 citations50
LIU SHIWEI
8 patentsUSD920009SMay 25, 2021
Telescopic portable desk
LIU SHIWEI11 citations85
USD1076235SMay 20, 2025
Safety helmet
LIU SHIWEI2 citations74
USD1111204SFeb 3, 2026
Car headlight
LIU SHIWEI0 citations62
USD1107976SDec 30, 2025
Truck light
LIU SHIWEI0 citations62
USD1107277SDec 23, 2025
Truck light
LIU SHIWEI0 citations62
USD959310SAug 2, 2022
Smart scales reader
LIU SHIWEI0 citations62
US11763426B2Sep 19, 2023
Marine survey image enhancement system
LIU SHIWEI0 citations51
US11940361B2Mar 26, 2024
Open water analysis system, related methods, and two-stage vortex filter
LIU SHIWEI0 citations41
QUANZHOU SANAN SEMICONDUCTOR TECH CO LTD
2 patentsXIAMEN SANAN OPTOELECTRONICS CO LTD
2 patentsUS12439753B2Oct 7, 2025
Flip-chip light emitting diode having connecting electrodes with multiple binding layers including eutectic system with tin
XIAMEN SANAN OPTOELECTRONICS CO LTD0 citations50
US12237438B2Feb 25, 2025
Light-emitting device, light-emitting module including the same and display apparatus including the same
XIAMEN SANAN OPTOELECTRONICS CO LTD0 citations44