Inventor
ZHANG XIUFENG
CN27 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG XIUFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUAWEI DIGITAL POWER TECH CO LTD
15 patentsUS11870238B2Jan 9, 2024
Protection apparatus and protection method for photovoltaic power generation system
HUAWEI DIGITAL POWER TECH CO LTD2 citations72
US12548997B2Feb 10, 2026
Photovoltaic power generation system, photovoltaic inverter, and direct current combiner box
HUAWEI DIGITAL POWER TECH CO LTD0 citations62
US12206232B2Jan 21, 2025
Protection apparatus and protection method for photovoltaic power generation system
HUAWEI DIGITAL POWER TECH CO LTD0 citations62
US12003096B2Jun 4, 2024
Photovoltaic power generation system, photovoltaic inverter, and direct current combiner box
HUAWEI DIGITAL POWER TECH CO LTD0 citations62
US12315687B2May 27, 2025
Rotary switch
HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12300447B2May 13, 2025
Remote switch-off mechanism and rotary switch
HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US11784494B2Oct 10, 2023
Direct current power supply system, photovoltaic system, energy storage system, and optical storage system
HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12387889B2Aug 12, 2025
Power supply system and switch unit
HUAWEI DIGITAL POWER TECH CO LTD0 citations50
US12431305B2Sep 30, 2025
Power mechanism, switch, power conversion apparatus, and power supply system
HUAWEI DIGITAL POWER TECH CO LTD0 citations49
US12362591B2Jul 15, 2025
Photovoltaic system and direct current overcurrent protection apparatus
HUAWEI DIGITAL POWER TECH CO LTD0 citations49
US12500546B2Dec 16, 2025
Protection circuit for preventing misconnection at input end and photovoltaic power generation system
HUAWEI DIGITAL POWER TECH CO LTD0 citations47
US12500051B2Dec 16, 2025
Energy storage status monitoring structure and rotary switch
HUAWEI DIGITAL POWER TECH CO LTD0 citations47
US12469654B2Nov 11, 2025
Opening switch and remote circuit breaker
HUAWEI DIGITAL POWER TECH CO LTD0 citations47
US12482615B2Nov 25, 2025
Power supply system and switch unit
HUAWEI DIGITAL POWER TECH CO LTD0 citations45
US12340959B2Jun 24, 2025
Switch, power conversion apparatus, and power supply system
HUAWEI DIGITAL POWER TECH CO LTD0 citations45
HUAWEI TECH CO LTD
6 patentsUS11869450B2Jan 9, 2024
Display brightness adjustment method and related apparatus
HUAWEI TECH CO LTD2 citations72
US11978384B2May 7, 2024
Display method for electronic device and electronic device
HUAWEI TECH CO LTD0 citations61
US11138928B2Oct 5, 2021
Screen brightness adjustment method and terminal
HUAWEI TECH CO LTD0 citations61
US12254531B2Mar 18, 2025
Image color adjustment method for electronic device and apparatus
HUAWEI TECH CO LTD0 citations51
US12142202B2Nov 12, 2024
Display brightness adjustment method and related apparatus
HUAWEI TECH CO LTD0 citations51
US11881168B2Jan 23, 2024
Display screen aging compensation method, circuit system, and electronic device
HUAWEI TECH CO LTD0 citations47
UNIV SHANDONG SCIENCE & TECH
2 patentsUS12203374B1Jan 21, 2025
System for monitoring overlying roof rock and coal pillar of gob-side entry and method thereof
UNIV SHANDONG SCIENCE & TECH4 citations67
US12467363B1Nov 11, 2025
Device for real-time monitoring movement trajectory of mine roof strata and method thereof
UNIV SHANDONG SCIENCE & TECH0 citations42