Inventor · disambiguated record
Yongfa Gui
Also filed as: GUI YONGFA
3 granted patents·0 citations·filing 2023–2025
37Inventor score
Files withCHINA TOBACCO YUNNAN IND CO LTD3
Top patents by PatentIndex Score
3 records- 0171US12459280B1Method for improving glossiness and ink color fastness of printed color films and its application thereofCHINA TOBACCO YUNNAN IND CO LTD·Filed 2025·Granted Nov 4, 2025·0 cites·6 claims
- 0269US11812779B2Device for forming a multi-flavor composite structure filter rod in one step and a method thereof using the deviceCHINA TOBACCO YUNNAN IND CO LTD·Filed 2023·Granted Nov 14, 2023·0 cites·6 claims
- 0357US12340501B1Method for evaluating the possibility of a cigarette burning cone to fall offCHINA TOBACCO YUNNAN IND CO LTD·Filed 2025·Granted Jun 24, 2025·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →