Inventor
LIU XUJUN
CN24 patents
⚠️ This page may combine multiple inventors who share the name “LIU XUJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUTUREWEI TECHNOLOGIES INC
9 patentsUS9467054B2Oct 11, 2016
Current sensing apparatus for resonant tank in an LLC resonant converter
FUTUREWEI TECHNOLOGIES INC8 citations84
US9444346B2Sep 13, 2016
Apparatus and efficiency point tracking method for high efficiency resonant converters
FUTUREWEI TECHNOLOGIES INC5 citations84
US9350260B2May 24, 2016
Startup method and system for resonant converters
FUTUREWEI TECHNOLOGIES INC12 citations84
US10340807B2Jul 2, 2019
Gate drive apparatus for resonant converters
FUTUREWEI TECHNOLOGIES INC4 citations73
US10116219B2Oct 30, 2018
Apparatus and efficiency point tracking method for high efficiency resonant converters
FUTUREWEI TECHNOLOGIES INC3 citations73
US9876435B2Jan 23, 2018
Gate drive apparatus for resonant converters
FUTUREWEI TECHNOLOGIES INC3 citations73
US9479073B2Oct 25, 2016
Gate drive apparatus for resonant converters
FUTUREWEI TECHNOLOGIES INC4 citations73
US10284097B2May 7, 2019
Apparatus and efficiency point tracking method for high efficiency resonant converters
FUTUREWEI TECHNOLOGIES INC0 citations52
US9812968B2Nov 7, 2017
Zero voltage switching detection apparatus and method
FUTUREWEI TECHNOLOGIES INC0 citations52
HUAWEI TECH CO LTD
7 patentsUS8027175B2Sep 27, 2011
Power supply adjusting apparatus
HUAWEI TECH CO LTD12 citations84
US11990774B2May 21, 2024
Fast charging method and system, terminal, and charger
HUAWEI TECH CO LTD1 citations72
US11362527B2Jun 14, 2022
Fast charging method, terminal, charger, and system with open loop control
HUAWEI TECH CO LTD3 citations72
US10734830B2Aug 4, 2020
Fast changing method and system, terminal, and charger
HUAWEI TECH CO LTD2 citations72
US9680467B2Jun 13, 2017
Method and apparatus for driving power switch tube
HUAWEI TECH CO LTD2 citations72
US11581745B2Feb 14, 2023
Fast charging method and system, terminal, and charger
HUAWEI TECH CO LTD0 citations62
US10411700B2Sep 10, 2019
Method and apparatus for driving power switch tube
HUAWEI TECH CO LTD0 citations51
SHENZHEN CHINA STAR OPTOELECT
3 patentsUS10535310B2Jan 14, 2020
Gate driving unit and gate driving circuit
SHENZHEN CHINA STAR OPTOELECT0 citations41
US10446087B2Oct 15, 2019
GOA driving unit
SHENZHEN CHINA STAR OPTOELECT0 citations41
US10417981B2Sep 17, 2019
GOA gate driving circuit and liquid crystal display
SHENZHEN CHINA STAR OPTOELECT0 citations40