Inventor · disambiguated record
Changsong Liu
Also filed as: LIU CHANGSONG
9 granted patents·5 pending applications·88 citations·filing 2003–2023
86Inventor score
Files withDMAI INC6UNIV TSINGHUA2ZHONGSHAN HENGYI SPORTS EQUIPMENT CO LTD2LIU CHANGSONG1TENCENT TECH SHENZHEN CO LTD1
Top patents by PatentIndex Score
14 records- 0185USD1088053SAir pump setZHONGSHAN HENGYI SPORTS EQUIPMENT CO LTD·Filed 2023·Granted Aug 12, 2025·10 cites·1 claims
- 0283US11222632B2System and method for intelligent initiation of a man-machine dialogue based on multi-modal sensory inputsDMAI INC·Filed 2018·Granted Jan 11, 2022·3 cites·21 claims
- 0378US7174044B2Method for character recognition based on gabor filtersUNIV TSINGHUA·Filed 2003·Granted Feb 6, 2007·55 cites·10 claims
- 0473USD1089321SAir pump setZHONGSHAN HENGYI SPORTS EQUIPMENT CO LTD·Filed 2023·Granted Aug 19, 2025·4 cites·1 claims
- 0572US11003860B2System and method for learning preferences in dialogue personalizationDMAI INC·Filed 2018·Granted May 11, 2021·2 cites·21 claims
- 0666US11024294B2System and method for dialogue managementDMAI INC·Filed 2018·Granted Jun 1, 2021·1 cites·21 claims
- 0765USD1054455SPumpLIU CHANGSONG·Filed 2023·Granted Dec 17, 2024·3 cites·1 claims
- 0865US2022254343A1System and method for intelligent initiation of a man-machine dialogue based on multi-modal sensory inputsDMAI INC·Filed 2022·Application pending·0 cites
- 0963USD914765SAir pumpZHONGSHAN HENG YI SPORTS EQUIPMENTS CO LTD·Filed 2019·Granted Mar 30, 2021·10 cites·1 claims
- 1058US2022020360A1System and method for dialogue managementDMAI INC·Filed 2021·Application pending·0 cites
- 1140US2012299701A1Method and apparatus for passcode entryZOU YANMING·Filed 2009·Application pending·0 cites
- 1239US2019206402A1System and Method for Artificial Intelligence Driven Automated CompanionDMAI INC·Filed 2018·Application pending·0 cites
- 1337US2009135188A1Method and system of live detection based on physiological motion on human faceUNIV TSINGHUA·Filed 2008·Application pending·0 cites
- 1430US11266913B2Method and apparatus for synchronously displaying game content and storage mediumTENCENT TECH SHENZHEN CO LTD·Filed 2020·Granted Mar 8, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →