Inventor
DONG KAI
CN77 patents
⚠️ This page may combine multiple inventors who share the name “DONG KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELTA ELECTRONICS SHANGHAI CO
20 patentsUSD1063862SFeb 25, 2025
Electrical connector
DELTA ELECTRONICS SHANGHAI CO6 citations82
USD1089093SAug 19, 2025
Dual input power supply
DELTA ELECTRONICS SHANGHAI CO1 citations73
USD1089092SAug 19, 2025
Dual input power supply
DELTA ELECTRONICS SHANGHAI CO1 citations73
USD1079633SJun 17, 2025
Dual input power supply
DELTA ELECTRONICS SHANGHAI CO1 citations73
USD1089091SAug 19, 2025
Power supply with dual inputs
DELTA ELECTRONICS SHANGHAI CO1 citations72
US11588398B1Feb 21, 2023
Resonant converter and controlling method thereof
DELTA ELECTRONICS SHANGHAI CO4 citations72
US11463013B2Oct 4, 2022
Magnetic element, power module and power conversion system
DELTA ELECTRONICS SHANGHAI CO2 citations72
US11870342B2Jan 9, 2024
Resonant converter and operating method thereof
DELTA ELECTRONICS SHANGHAI CO2 citations68
US11737250B2Aug 22, 2023
Power supply system for supplying power to network device
DELTA ELECTRONICS SHANGHAI CO2 citations68
USD1101687SNov 11, 2025
Electrical connector
DELTA ELECTRONICS SHANGHAI CO1 citations64
US12279403B2Apr 15, 2025
Power supply system for supplying power to network device
DELTA ELECTRONICS SHANGHAI CO0 citations62
USD1079631SJun 17, 2025
Dual input power supply
DELTA ELECTRONICS SHANGHAI CO0 citations61
US12160980B2Dec 3, 2024
Power supply device
DELTA ELECTRONICS SHANGHAI CO0 citations61
USD1081565SJul 1, 2025
Power supply with dual inputs
DELTA ELECTRONICS SHANGHAI CO0 citations60
USD1089118SAug 19, 2025
Electrical connector
DELTA ELECTRONICS SHANGHAI CO0 citations59
US11569731B2Jan 31, 2023
Control method for an AC-DC conversion circuit
DELTA ELECTRONICS SHANGHAI CO0 citations59
US11342834B2May 24, 2022
Multi-mode working control method for AC-DC power supply
DELTA ELECTRONICS SHANGHAI CO0 citations59
US11901108B2Feb 13, 2024
Power module and power device
DELTA ELECTRONICS SHANGHAI CO1 citations58
US11894765B2Feb 6, 2024
Power conversion device
DELTA ELECTRONICS SHANGHAI CO0 citations58
US12512768B2Dec 30, 2025
Multi-level conversion circuit and control method for flying capacitor voltage thereof
DELTA ELECTRONICS SHANGHAI CO0 citations51
AAC TECHNOLOGIES PTE LTD
7 patentsUS11108132B2Aug 31, 2021
Antenna system and mobile terminal using same
AAC TECHNOLOGIES PTE LTD2 citations73
US11139557B2Oct 5, 2021
Antenna assembly for terminal with foldable screen and terminal
AAC TECHNOLOGIES PTE LTD2 citations70
US10931034B2Feb 23, 2021
Antenna system and mobile terminal
AAC TECHNOLOGIES PTE LTD4 citations70
US11437711B2Sep 6, 2022
Antenna module and mobile terminal
AAC TECHNOLOGIES PTE LTD0 citations58
US10629983B2Apr 21, 2020
Antenna system and mobile terminal
AAC TECHNOLOGIES PTE LTD1 citations57
US10601112B2Mar 24, 2020
Antenna system and mobile terminal
AAC TECHNOLOGIES PTE LTD1 citations57
US11056772B2Jul 6, 2021
Antenna system with decreased SAR value
AAC TECHNOLOGIES PTE LTD0 citations52
DELTA ELECTRONICS THAILAND PUBLIC CO LTD
6 patentsUSD865671SNov 5, 2019
Electric power distribution unit
DELTA ELECTRONICS THAILAND PUBLIC CO LTD8 citations81
US10811907B2Oct 20, 2020
Fault protection method and wireless power transmission device using same
DELTA ELECTRONICS THAILAND PUBLIC CO LTD2 citations71
USD839826SFeb 5, 2019
Electric power distribution unit
DELTA ELECTRONICS THAILAND PUBLIC CO LTD3 citations70
US12062482B2Aug 13, 2024
Power module and power circuit
DELTA ELECTRONICS THAILAND PUBLIC CO LTD0 citations61
US11315723B2Apr 26, 2022
Power module and power circuit
DELTA ELECTRONICS THAILAND PUBLIC CO LTD1 citations61
US10923950B2Feb 16, 2021
Power generating method and wireless power transmission device therefor
DELTA ELECTRONICS THAILAND PUBLIC CO LTD1 citations61
DELTA ELECTRONICS INC
4 patentsUS9337689B2May 10, 2016
Power supply system and method for controlling the same
DELTA ELECTRONICS INC5 citations70
US11604635B2Mar 14, 2023
Online program updating method
DELTA ELECTRONICS INC0 citations63
US12267020B2Apr 1, 2025
Isolated resonant DC-DC converter
DELTA ELECTRONICS INC0 citations60
US11791733B2Oct 17, 2023
Isolated resonant DC-DC converters and control methods thereof
DELTA ELECTRONICS INC0 citations60
UNIV BEIJING SCIENCE & TECHNOLOGY
4 patentsUS10988818B2Apr 27, 2021
Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters
UNIV BEIJING SCIENCE & TECHNOLOGY2 citations68
US10808290B2Oct 20, 2020
Clean and rapid smelting method in an electric arc furnace with full scrap steel
UNIV BEIJING SCIENCE & TECHNOLOGY3 citations68
US11788160B2Oct 17, 2023
Converter CO2—O2 mixed injection smelting method and method of dynamically controlling fire point area temperature
UNIV BEIJING SCIENCE & TECHNOLOGY1 citations57
US11174524B1Nov 16, 2021
Production apparatus and method for electric arc furnace steelmaking with fully continuous ultra-short process
UNIV BEIJING SCIENCE & TECHNOLOGY1 citations56
BEIJING YOUCARE KECHUANG PHARMACEUTICAL TECH CO LTD
3 patentsUS12576099B2Mar 17, 2026
Ribose-modified cap analog and use thereof
BEIJING YOUCARE KECHUANG PHARMACEUTICAL TECH CO LTD0 citations57
US12485170B2Dec 2, 2025
Lipid composition targeting antigen-presenting cells and use thereof
BEIJING YOUCARE KECHUANG PHARMACEUTICAL TECH CO LTD0 citations55
US12545637B2Feb 10, 2026
Extrahepatic targeted cationic lipid compound with high efficiency and low toxicity and its composition
BEIJING YOUCARE KECHUANG PHARMACEUTICAL TECH CO LTD0 citations54
TENCENT TECH SHENZHEN CO LTD
2 patentsUS10825130B2Nov 3, 2020
Method and apparatus for displaying picture content in application, and storage medium
TENCENT TECH SHENZHEN CO LTD0 citations52
US10636113B2Apr 28, 2020
Method and apparatus for displaying picture content in application, and storage medium
TENCENT TECH SHENZHEN CO LTD0 citations52
UNIV TIANJIN
1 patentHANGZHOU TIANLONG PHARMACEUTICAL CO LTD
1 patentUNIV COLLEGE OF SOUTHEAST NORWAY
1 patentBEIJING XIAOMI MOBILE SOFTWARE CO LTD
1 patentShowing the top 50 of 77 patents by PatentIndex Score.