Inventor · disambiguated record
Qianchao Ban
Also filed as: BAN QIANCHAO
3 granted patents·6 citations·filing 2019–2020
56Inventor score
Files withAMAZON TECH INC3
Top patents by PatentIndex Score
3 records- 0183US11348058B1Beacon-based delivery confirmationAMAZON TECH INC·Filed 2019·Granted May 31, 2022·5 cites·20 claims
- 0276US11556884B1Privacy-preserving identity-validated transactionsAMAZON TECH INC·Filed 2019·Granted Jan 17, 2023·1 cites·17 claims
- 0346US11694147B1Location confirmation using crowdsourced wireless fingerprintsAMAZON TECH INC·Filed 2020·Granted Jul 4, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →