Inventor · disambiguated record
Zhiwei Sun
Also filed as: SUN ZHIWEI
2 granted patents·1 pending application·0 citations·filing 2018–2020
23Inventor score
Files withCHINA TOBACCO HUNAN IND CO LTD3
Top patents by PatentIndex Score
3 records- 0155US2023068565A1Low-harm cigarette subjected to smoke enhancementCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
- 0253US12433322B2Water-based electronic cigarette liquidCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Oct 7, 2025·0 cites·28 claims
- 0346US12150474B2Cooling cigarette filter and cigaretteCHINA TOBACCO HUNAN IND CO LTD·Filed 2018·Granted Nov 26, 2024·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →