Inventor · disambiguated record
Feng Xu
Also filed as: XU FENG · Xu feng cheng
16 granted patents·4 pending applications·57 citations·filing 2002–2024
89Inventor score
Files withJOULWATT TECH (HANGZHOU) CO LTD3HEBEI GELLEC NEW ENERGY SCIENCE & TECH CO LTD2MCQUAY AIR CONDITIONING & REFRIGERATION WUHAN CO LTD2SHENZHEN CHINA STAR OPTOELECT2XU FENG2
Top patents by PatentIndex Score
20 records- 0188US8736194B2LED dimmer circuitKAWAI SHUHEI·Filed 2012·Granted May 27, 2014·13 cites·18 claims
- 0283US6770127B2Multigrade asphalt power additiveSHANDONG HERITAGE HIGHWAY MATE·Filed 2002·Granted Aug 3, 2004·28 cites·30 claims
- 0378US10205448B2Switch control circuit and switch circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Feb 12, 2019·3 cites·20 claims
- 0474US10060678B2Falling film evaporatorMCQUAY AIR CONDITIONING & REFRIGERATION WUHAN CO LTD·Filed 2014·Granted Aug 28, 2018·4 cites·26 claims
- 0573US9125265B2Light-emitting device control circuitKOJIMA HIROYUKI·Filed 2012·Granted Sep 1, 2015·3 cites·20 claims
- 0671US10320291B2Control circuit and device with edge comparison for switching circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Jun 11, 2019·2 cites·12 claims
- 0768US9137868B2Light emitting element driving circuitXU FENG·Filed 2012·Granted Sep 15, 2015·2 cites·18 claims
- 0863US9251941B2TransformerEMERSON NETWORK POWER ENERGY·Filed 2014·Granted Feb 2, 2016·1 cites·4 claims
- 0963US8569964B2Control circuit of light-emitting elementXU FENG·Filed 2011·Granted Oct 29, 2013·1 cites·4 claims
- 1058US2025382416A1Lithium battery separator based on reaction control agent, and preparation method for lithium battery separatorHEBEI GELLEC NEW ENERGY SCIENCE & TECH CO LTD·Filed 2024·Application pending·0 cites
- 1154US10068695B2TransformerEMERSON NETWORK POWER ENERGY SYSTEMS NORTH AMERICA INC·Filed 2016·Granted Sep 4, 2018·0 cites·19 claims
- 1254US9685132B2Gate driving circuit unit, array substrate, and display deviceSHENZHEN CHINA STAR OPTOELECT·Filed 2014·Granted Jun 20, 2017·0 cites·9 claims
- 1353US2025079630A1Ultra-thin high-strength lithium-ion battery separator and preparation method thereforHEBEI GELLEC NEW ENERGY SCIENCE & TECH CO LTD·Filed 2024·Application pending·0 cites
- 1452US11959671B2Refrigerant distributor and evaporator comprising the refrigerant distributorMCQUAY AIR CONDITIONING & REFRIGERATION WUHAN CO LTD·Filed 2021·Granted Apr 16, 2024·0 cites·19 claims
- 1545US2016104405A1Drive circuit and display deviceSHENZHEN CHINA STAR OPTOELECT·Filed 2014·Application pending·0 cites
- 1644US8575847B2Control circuit of light-emitting elementFUJIMURA YOSHIO·Filed 2011·Granted Nov 5, 2013·0 cites·4 claims
- 1742US10263610B2Control method and control circuit for switch circuit and switch circuit deviceJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Apr 16, 2019·0 cites·3 claims
- 1842US2024418961A1Opening-closing lamp structure for quickly replacing lensesMEKO LIGHTING COMPANY LTD·Filed 2023·Application pending·0 cites
- 1937US9842867B2Array substrate and method of manufacturing the same, and display panelBOE TECHNOLOGY GROUP CO LTD·Filed 2016·Granted Dec 12, 2017·0 cites·16 claims
- 2035US11223089B2Heat-resistant multi-layer composite lithium-ion battery separator, and coating device and manufacturing method for sameHEBEI GELLEC NEW ENERGY MAT SCIENCE & TECHNOLOGY CO LTD·Filed 2017·Granted Jan 11, 2022·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Feng Xu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →