Inventor · disambiguated record
Nannan Du
Also filed as: DU NANNAN
2 granted patents·2 pending applications·0 citations·filing 2016–2018
22Inventor score
Top patents by PatentIndex Score
4 records- 0143US10908332B2Color film substrate, method for manufacturing the same, and display deviceBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2018·Granted Feb 2, 2021·0 cites·5 claims
- 0243US10579654B2Method and device for generating online question paths from existing question banks using a knowledge graphALIBABA GROUP HOLDING LTD·Filed 2016·Granted Mar 3, 2020·0 cites·20 claims
- 0338US2018307667A1Travel guide generating method and systemALIBABA GROUP HOLDING LTD·Filed 2018·Application pending·0 cites
- 0436US2017140301A1Identifying social business characteristic userALIBABA GROUP HOLDING LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →