Inventor · disambiguated record
Yanyan Zheng
Also filed as: ZHENG YANYAN
2 granted patents·1 pending application·22 citations·filing 2015–2022
58Inventor score
Files withJIANGMEN ZHENCHENG HOUSEHOLD PRODUCTS CO LTD1SHANDONG YUHUANG CHEMICAL CO LTD1SUNSHINE LAKE PHARMA CO LTD1
Top patents by PatentIndex Score
3 records- 0182USD967583SDish rackJIANGMEN ZHENCHENG HOUSEHOLD PRODUCTS CO LTD·Filed 2022·Granted Oct 18, 2022·19 cites·1 claims
- 0280US9266990B2Method for producing polyoxymethylene dimethyl ethersSHANDONG YUHUANG CHEMICAL CO LTD·Filed 2015·Granted Feb 23, 2016·3 cites·20 claims
- 0357US2025228784A1Antifibrotic compositionSUNSHINE LAKE PHARMA CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →