Inventor · disambiguated record
Qianfeng Zhao
Also filed as: ZHAO QIANFENG
0 granted patents·2 pending applications·0 citations·filing 2022–2022
Technology areasA24F
Files withSHENZHEN HANQINGDA TECH CO LTD2
Top patents by PatentIndex Score
2 records- 0146US2024373938A1Electronic cigarette with adjustable airflow suction resistanceSHENZHEN HANQINGDA TECH CO LTD·Filed 2022·Application pending·0 cites
- 0243US2024373916A1Electronic cigarette cartridge with liquid leakage prevention structureSHENZHEN HANQINGDA TECH CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →