Inventor · disambiguated record
Changwei Liu
Also filed as: LIU CHANGWEI
23 granted patents·6 pending applications·198 citations·filing 2008–2024
95Inventor score
Files withLIU CHANGWEI6SHENZHEN JIANYUANDA MIRROR TECH CO LTD6WANG DONGLIN6ACCENTURE GLOBAL SOLUTIONS LTD3SURSEN CORP3
Top patents by PatentIndex Score
29 records- 0196USD916470SMirrorSHENZHEN JIANYUANDA MIRROR TECH CO LTD·Filed 2020·Granted Apr 20, 2021·35 cites·1 claims
- 0294USD918601SMirrorSHENZHEN JIANYUANDA MIRROR TECH CO LTD·Filed 2020·Granted May 11, 2021·26 cites·1 claims
- 0391USD994353SCombined mirror and wireless chargerLIU CHANGWEI·Filed 2021·Granted Aug 8, 2023·17 cites·1 claims
- 0491USD934576SMirrorSHENZHEN JIANYUANDA MIRROR TECH CO LTD·Filed 2020·Granted Nov 2, 2021·17 cites·1 claims
- 0587USD945171SMirrorSHENZHEN JIANYUANDA MIRROR TECH CO LTD·Filed 2020·Granted Mar 8, 2022·13 cites·1 claims
- 0684US8311265B2Embedding and detecting hidden informationWANG DONGLIN·Filed 2008·Granted Nov 13, 2012·12 cites·9 claims
- 0783US8171389B2Method of hierarchical processing of a document and system thereforWANG DONGLIN·Filed 2008·Granted May 1, 2012·15 cites·11 claims
- 0882USD955119SMirrorLIU CHANGWEI·Filed 2021·Granted Jun 21, 2022·8 cites·1 claims
- 0981USD934577SMirrorSHENZHEN JIANYUANDA MIRROR TECH CO LTD·Filed 2020·Granted Nov 2, 2021·8 cites·1 claims
- 1072USD917306SWatch caseLIU CHANGWEI·Filed 2019·Granted Apr 27, 2021·12 cites·1 claims
- 1172US8645344B2Document processing system and method thereforWANG DONGLIN·Filed 2008·Granted Feb 4, 2014·6 cites·23 claims
- 1270USD955864SScrewLIU CHANGWEI·Filed 2020·Granted Jun 28, 2022·4 cites·1 claims
- 1370USD895306SMirrorSHENZHEN JIANYUANDA MIRROR TECH CO LTD·Filed 2019·Granted Sep 8, 2020·11 cites·1 claims
- 1468USD913113SWatch caseLIU CHANGWEI·Filed 2019·Granted Mar 16, 2021·10 cites·1 claims
- 1565US11685811B2Heat resistant polyimide filmINST OF PETROLEUM CHEMISTRY HEILONGJIANG ACADEMY OF SCIENCES·Filed 2021·Granted Jun 27, 2023·0 cites·4 claims
- 1658US12326942B2Identifying and assessing costs associated with correcting vulnerabilities in machine learning modelsACCENTURE GLOBAL SOLUTIONS LTD·Filed 2022·Granted Jun 10, 2025·0 cites·20 claims
- 1758USD1004299SCombined mirror and speakerLIU CHANGWEI·Filed 2021·Granted Nov 14, 2023·2 cites·1 claims
- 1858US2025314873A1Eyepiece optical moduleGENIUS ELECTRO OPTICS XIAMEN CO LTD·Filed 2024·Application pending·0 cites
- 1957US11028226B2Heat resistant polyimide film and preparation method thereofINST OF PETROLEUM CHEMISTRY HEILONGJIANG ACADEMY OF SCIENCES·Filed 2017·Granted Jun 8, 2021·0 cites·6 claims
- 2054US8732216B2Docbase management system and method for extending docbase management system and functionsGUO XU·Filed 2009·Granted May 20, 2014·2 cites·16 claims
- 2152US12346359B2Data integrity validation using diversified queries across multiple sources, interfaces, and networksACCENTURE GLOBAL SOLUTIONS LTD·Filed 2022·Granted Jul 1, 2025·0 cites·17 claims
- 2249US11768345B2Lens barrel and imaging module applying the sameGENIUS ELECTRONIC OPTICAL XIAMEN CO LTD·Filed 2021·Granted Sep 26, 2023·0 cites·18 claims
- 2348US8538068B2Embedding and detecting hidden informationWANG DONGLIN·Filed 2012·Granted Sep 17, 2013·0 cites·12 claims
- 2448US2013174268A1Method and system for document data security managementWANG DONGLIN·Filed 2012·Application pending·0 cites
- 2548US2024386096A1Systems and methods for defending an artificial intelligence model against adversarial inputACCENTURE GLOBAL SOLUTIONS LTD·Filed 2023·Application pending·0 cites
- 2647US2008270463A1Document processing system and method thereforSURSEN CORP·Filed 2008·Application pending·0 cites
- 2745US8756492B2Method and system for processing document on layersWANG DONGLIN·Filed 2012·Granted Jun 17, 2014·0 cites·12 claims
- 2844US2008263333A1Document processing methodSURSEN CORP·Filed 2008·Application pending·0 cites
- 2942US2009320141A1Document data security management method and system thereforSURSEN CORP·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →