Inventor · disambiguated record
Zhengfa Li
Also filed as: LI ZHENGFA
8 granted patents·1 pending application·14 citations·filing 2019–2022
78Inventor score
Top patents by PatentIndex Score
9 records- 0184US11253002B2Atomizer and electronic cigarette having sameSHENZHEN FIRST UNION TECH CO·Filed 2019·Granted Feb 22, 2022·6 cites·20 claims
- 0281US11191303B2Atomizer and electronic cigarette having sameSHENZHEN FIRST UNION TECH CO·Filed 2019·Granted Dec 7, 2021·5 cites·19 claims
- 0379US12232528B2Cartridge and atomizer having sameSHENZHEN FIRST UNION TECH CO·Filed 2022·Granted Feb 25, 2025·0 cites·20 claims
- 0475US11528940B2Cartridge without dry burn and metal polution and atomizer having sameSHENZHEN FIRST UNION TECH CO·Filed 2019·Granted Dec 20, 2022·2 cites·16 claims
- 0565US12213523B2Electronic cigarette atomizer and electronic cigarette comprising sameSHENZHEN FIRST UNION TECH CO·Filed 2019·Granted Feb 4, 2025·1 cites·19 claims
- 0655US2022248758A1Cigarette heating assembly and electric heating smoking deviceSHENZHEN FIRST UNION TECH CO·Filed 2020·Application pending·0 cites
- 0753US11297880B2Heater, cartridge, atomizer and electronic cigarette having sameSHENZHEN FIRST UNION TECH CO·Filed 2019·Granted Apr 12, 2022·0 cites·17 claims
- 0849US12162771B2Gas nozzle, gas reaction device and gas hydrolysis reaction methodGUANGZHOU HUIFU RES INSTITUTE CO LTD·Filed 2019·Granted Dec 10, 2024·0 cites·12 claims
- 0948US12137740B2Porous heating body and atomizer having sameSHENZHEN FIRST UNION TECH CO·Filed 2019·Granted Nov 12, 2024·0 cites·18 claims
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