Inventor · disambiguated record
Yuanfeng Li
Also filed as: LI YUANFENG
6 granted patents·3 pending applications·62 citations·filing 1993–2022
77Inventor score
Files withHUAWEI TECH CO LTD4Baidu online network technology beijing co ltd1UNIV NORTHEAST AGRICULTURAL1UNIV PENNSYLVANIA1ZHEJIANG INNUOVO NEW ENERGY TECH CO LTD1
Top patents by PatentIndex Score
9 records- 0164US6026691AMethods and devices for electrochemically determining metal fatigue statusUNIV PENNSYLVANIA·Filed 1995·Granted Feb 22, 2000·36 cites·7 claims
- 0261US10453628B2Opposite arc isolation device of high voltage direct current relayZHEJIANG INNUOVO NEW ENERGY TECH CO LTD·Filed 2016·Granted Oct 22, 2019·1 cites·6 claims
- 0355US5419201AMethods and devices for electrochemically determining metal fatigue statusFiled 1993·Granted May 30, 1995·25 cites·18 claims
- 0451US2024338428A1Personal identification number pin processing method and apparatusHUAWEI TECH CO LTD·Filed 2022·Application pending·0 cites
- 0545US12120772B2Network access card switching method and electronic deviceHUAWEI TECH CO LTD·Filed 2020·Granted Oct 15, 2024·0 cites·16 claims
- 0643US2025265324A1Application login method and systemHUAWEI TECH CO LTD·Filed 2021·Application pending·0 cites
- 0743US2020207374A1Controller for driverless vehicle, and driverless vehicleBaidu online network technology beijing co ltd·Filed 2019·Application pending·0 cites
- 0841US12501268B2Method and apparatus for verifying personal identification number pin codeHUAWEI TECH CO LTD·Filed 2021·Granted Dec 16, 2025·0 cites·20 claims
- 0939US11207719B2Device and method for remedying heavy-metal-polluted soil with microorganismUNIV NORTHEAST AGRICULTURAL·Filed 2018·Granted Dec 28, 2021·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →