Inventor · disambiguated record
Chunhua Li
Also filed as: LI CHUNHUA
181 granted patents·90 pending applications·5,422 citations·filing 1994–2025
99Inventor score
Top patents by PatentIndex Score
271 records- 0199US7883334B2Method and system for providing alternating use orthodontic alignersALIGN TECHNOLOGY INC·Filed 2007·Granted Feb 8, 2011·131 cites·40 claims
- 0299US7878801B2Systems and methods for dental appliance compliance indicationALIGN TECHNOLOGY INC·Filed 2008·Granted Feb 1, 2011·221 cites·16 claims
- 0399US7553157B2Systems and methods for dental appliance compliance indicationALIGN TECHNOLOGY INC·Filed 2004·Granted Jun 30, 2009·238 cites·32 claims
- 0498US11648091B2Multilayer polymer sheetsALIGN TECHNOLOGY INC·Filed 2022·Granted May 16, 2023·4 cites·26 claims
- 0598US11648090B2Multilayer polymer sheetsALIGN TECHNOLOGY INC·Filed 2022·Granted May 16, 2023·4 cites·11 claims
- 0698US11413854B2Multi-layer film with improved modulus propertiesCOVESTRO DEUTSCHLAND AG·Filed 2020·Granted Aug 16, 2022·4 cites·13 claims
- 0798US11213369B2Multilayer polymer sheetsALIGN TECHNOLOGY INC·Filed 2020·Granted Jan 4, 2022·11 cites·15 claims
- 0898US11154384B2Multilayer dental appliances and related methods and systemsALIGN TECHNOLOGY INC·Filed 2021·Granted Oct 26, 2021·13 cites·30 claims
- 0998US11045283B2Palatal expander with skeletal anchorage devicesALIGN TECHNOLOGY INC·Filed 2018·Granted Jun 29, 2021·116 cites·21 claims
- 1098US10973613B2Multilayer dental appliances and related methods and systemsALIGN TECHNOLOGY INC·Filed 2017·Granted Apr 13, 2021·14 cites·22 claims
- 1198US10959810B2Direct fabrication of aligners for palate expansion and other applicationsALIGN TECHNOLOGY INC·Filed 2016·Granted Mar 30, 2021·87 cites·6 claims
- 1298US10864708B2Multi-layer film with improved modulus propertiesCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Dec 15, 2020·13 cites·17 claims
- 1398US10588776B2Systems, methods, and devices for applying distributed forces for mandibular advancementALIGN TECHNOLOGY INC·Filed 2016·Granted Mar 17, 2020·104 cites·16 claims
- 1498US10492888B2Dental materials using thermoset polymersALIGN TECHNOLOGY INC·Filed 2016·Granted Dec 3, 2019·121 cites·14 claims
- 1598US10463452B2Method to visualize and manufacture aligner by modifying tooth positionALIGN TECHNOLOGY INC·Filed 2017·Granted Nov 5, 2019·216 cites·24 claims
- 1698US10449016B2Arch adjustment applianceALIGN TECHNOLOGY INC·Filed 2015·Granted Oct 22, 2019·89 cites·14 claims
- 1798US10383705B2Orthodontic appliance performance monitorALIGN TECHNOLOGY INC·Filed 2017·Granted Aug 20, 2019·118 cites·27 claims
- 1898US10299894B2Treatment plan specific bite adjustment structuresALIGN TECHNOLOGY INC·Filed 2014·Granted May 28, 2019·101 cites·12 claims
- 1998US10201409B2Dental appliance having ornamental designALIGN TECHNOLOGY INC·Filed 2016·Granted Feb 12, 2019·115 cites·13 claims
- 2098US10052176B2Multilayer dental appliances and related methods and systemsALIGN TECHNOLOGY INC·Filed 2017·Granted Aug 21, 2018·33 cites·27 claims
- 2198US9744001B2Dental appliance with cavity for an unerupted or erupting toothALIGN TECHNOLOGY INC·Filed 2014·Granted Aug 29, 2017·88 cites·7 claims
- 2298US9655691B2Multilayer dental appliances and related methods and systemsLI CHUNHUA·Filed 2012·Granted May 23, 2017·180 cites·31 claims
- 2398US9655693B2Multilayer dental appliances and related methods and systemsALIGN TECHNOLOGY INC·Filed 2016·Granted May 23, 2017·78 cites·20 claims
- 2498US9241774B2Patterned dental positioning applianceLI CHUNHUA·Filed 2010·Granted Jan 26, 2016·171 cites·10 claims
- 2598US8765031B2Method of forming a dental applianceLI CHUNHUA·Filed 2009·Granted Jul 1, 2014·110 cites·24 claims
- 2698US7854609B2Dental appliance wear indicationALIGN TECHNOLOGY INC·Filed 2007·Granted Dec 21, 2010·204 cites·27 claims
- 2798US7824180B2Systems and methods for dental appliance compliance indicationALIGN TECHNOLOGY INC·Filed 2008·Granted Nov 2, 2010·120 cites·12 claims
- 2897US11766313B2Methods for making dental aligners from multilayer sheetsALIGN TECHNOLOGY INC·Filed 2023·Granted Sep 26, 2023·2 cites·30 claims
- 2997US11691399B2Multi-layer film with improved modulus propertiesCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2022·Granted Jul 4, 2023·3 cites·29 claims
- 3097US11666415B2Automatic aligner design with robust parametric optimization methodALIGN TECHNOLOGY INC·Filed 2019·Granted Jun 6, 2023·44 cites·22 claims
- 3197US11576753B2Multilayer dental appliances and related methods and systemsALIGN TECHNOLOGY INC·Filed 2019·Granted Feb 14, 2023·7 cites·11 claims
- 3297US11504214B2Devices, systems, and computer-implemented methods for dental attachment templatesALIGN TECHNOLOGY INC·Filed 2019·Granted Nov 22, 2022·37 cites·21 claims
- 3397US11304778B2Intraoral appliances with proximity and contact sensingALIGN TECHNOLOGY INC·Filed 2021·Granted Apr 19, 2022·5 cites·17 claims
- 3497US11174338B2Curable composition for use in a high temperature lithography-based photopolymerization process and method of producing crosslinked polymers therefromALIGN TECHNOLOGY INC·Filed 2019·Granted Nov 16, 2021·74 cites·18 claims
- 3597US10781274B2Polymerizable monomers and method of polymerizing the sameALIGN TECHNOLOGY INC·Filed 2019·Granted Sep 22, 2020·104 cites·17 claims
- 3697US10537406B2Dental appliance with repositioning jaw elementsALIGN TECHNOLOGY INC·Filed 2014·Granted Jan 21, 2020·137 cites·29 claims
- 3797US10470847B2Intraoral appliances with sensingALIGN TECHNOLOGY INC·Filed 2017·Granted Nov 12, 2019·123 cites·26 claims
- 3897US10154889B2Release agent receptacleALIGN TECHNOLOGY INC·Filed 2015·Granted Dec 18, 2018·43 cites·20 claims
- 3997US9844424B2Dental appliance with repositioning jaw elementsALIGN TECHNOLOGY INC·Filed 2014·Granted Dec 19, 2017·223 cites·17 claims
- 4097US9730769B2Release agent receptacleALIGN TECHNOLOGY INC·Filed 2014·Granted Aug 15, 2017·41 cites·20 claims
- 4197US8758009B2Restorative dental appliancesCHEN YAN·Filed 2008·Granted Jun 24, 2014·145 cites·17 claims
- 4297US8708697B2Tactile objects for orthodontics, systems and methodsLI CHUNHUA·Filed 2009·Granted Apr 29, 2014·165 cites·11 claims
- 4397US8439674B2Systems and methods for intra-oral drug deliveryLI CHUNHUA·Filed 2011·Granted May 14, 2013·57 cites·41 claims
- 4496US11826221B2Systems and methods including palatal expanders with anchor-receiving featuresALIGN TECHNOLOGY INC·Filed 2021·Granted Nov 28, 2023·3 cites·20 claims
- 4596US11793667B2Systems, methods, and devices for applying distributed forces for mandibular advancementALIGN TECHNOLOGY INC·Filed 2022·Granted Oct 24, 2023·3 cites·20 claims
- 4696US11596502B2Dental attachment placement structureALIGN TECHNOLOGY INC·Filed 2015·Granted Mar 7, 2023·34 cites·15 claims
- 4796US11589955B2Aligner damage prediction using machine learningALIGN TECHNOLOGY INC·Filed 2019·Granted Feb 28, 2023·42 cites·15 claims
- 4896US11571279B2Aligner damage prediction at weak spots with simulationALIGN TECHNOLOGY INC·Filed 2019·Granted Feb 7, 2023·40 cites·31 claims
- 4996US11523881B2Prediction of aligner progressive damage using simulationALIGN TECHNOLOGY INC·Filed 2019·Granted Dec 13, 2022·39 cites·24 claims
- 5096US11419710B2Systems, apparatuses and methods for substance delivery from dental applianceALIGN TECHNOLOGY INC·Filed 2016·Granted Aug 23, 2022·39 cites·8 claims
Showing the top 50 of 271 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →