Inventor · disambiguated record
James D. Chan
Also filed as: CHAN JAMES D · CHAN JAMES DAI-FU
9 granted patents·304 citations·filing 2007–2019
91Inventor score
Top patents by PatentIndex Score
9 records- 0195US7743059B2Cluster-based management of collections of itemsAMAZON TECH INC·Filed 2007·Granted Jun 22, 2010·74 cites·41 claims
- 0294US8095521B2Recommendation system with cluster-based filtering of recommendationsCHAN JAMES D·Filed 2007·Granted Jan 10, 2012·67 cites·22 claims
- 0393US7689457B2Cluster-based assessment of user interestsAMAZON TECH INC·Filed 2007·Granted Mar 30, 2010·46 cites·38 claims
- 0492US10311499B1Clustering interactions for user missionsAMAZON TECH INC·Filed 2015·Granted Jun 4, 2019·22 cites·20 claims
- 0591US7949659B2Recommendation system with multiple integrated recommendersAMAZON TECH INC·Filed 2007·Granted May 24, 2011·34 cites·18 claims
- 0690US7966225B2Method, system, and medium for cluster-based categorization and presentation of item recommendationsAMAZON TECH INC·Filed 2007·Granted Jun 21, 2011·27 cites·35 claims
- 0788US8560545B2Item recommendation system which considers user ratings of item clustersCHAN JAMES D·Filed 2012·Granted Oct 15, 2013·11 cites·22 claims
- 0888US8019766B2Processes for calculating item distances and performing item clusteringAMAZON TECH INC·Filed 2007·Granted Sep 13, 2011·22 cites·29 claims
- 0975US11049167B1Clustering interactions for user missionsAMAZON TECH INC·Filed 2019·Granted Jun 29, 2021·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →