Inventor · disambiguated record

Da-Yu Chang

Also filed as: CHANG DA-YU

60 granted patents·11 pending applications·512 citations·filing 2003–2024

98Inventor score

Technology areasA61F A61N A61B H10W A61M

Files withEDWARDS LIFESCIENCES CORP43 SECOND SIGHT MEDICAL PROD INC7 MCCLURE KELLY H5 SECOND SIGHT MEDICAL PRODUCTS INC5 GREENBERG ROBERT4

Top patents by PatentIndex Score

71 records

0197US10080653B2Limited expansion heart valveEDWARDS LIFESCIENCES CORP·Filed 2016·Granted Sep 25, 2018·49 cites·24 claims
0297USD565082SVisor for a visual prosthetic apparatusSECOND SIGHT MEDICAL PROD INC·Filed 2007·Granted Mar 25, 2008·103 cites·1 claims
0395US11806232B2Limited expansion valve-in-valve proceduresEDWARDS LIFESCIENCES CORP·Filed 2020·Granted Nov 7, 2023·3 cites·24 claims
0494US9675453B2Methods of identifying and replacing implanted heart valvesEDWARDS LIFESCIENCES CORP·Filed 2016·Granted Jun 13, 2017·23 cites·30 claims
0592US10543085B2One-piece heart valve stents adapted for post-implant expansionEDWARDS LIFESCIENCES CORP·Filed 2018·Granted Jan 28, 2020·16 cites·17 claims
0692US10052200B2Surgical heart valves adapted for post implant expansionEDWARDS LIFESCIENCES CORP·Filed 2016·Granted Aug 21, 2018·14 cites·7 claims
0791US12226311B2Heart valve stents adapted for post-implant expansionEDWARDS LIFESCIENCES CORP·Filed 2023·Granted Feb 18, 2025·1 cites·20 claims
0891US9504566B2Surgical heart valves identifiable post-implantEDWARDS LIFESCIENCES CORP·Filed 2015·Granted Nov 29, 2016·14 cites·20 claims
0991US8532776B2Package for an implantable neural stimulation deviceGREENBERG ROBERT J·Filed 2007·Granted Sep 10, 2013·46 cites·11 claims
1091US7881799B2Retinal prosthesis and method of manufacturing a retinal prosthesisSECOND SIGHT MEDICAL PROD INC·Filed 2006·Granted Feb 1, 2011·50 cites·10 claims
1190US11980544B2Holder and deployment system for prosthetic heart valvesEDWARDS LIFESCIENCES CORP·Filed 2022·Granted May 14, 2024·1 cites·16 claims
1289US9585752B2Holder and deployment system for surgical heart valvesEDWARDS LIFESCIENCES CORP·Filed 2015·Granted Mar 7, 2017·10 cites·19 claims
1388US10751174B2Limited expansion heart valveEDWARDS LIFESCIENCES CORP·Filed 2018·Granted Aug 25, 2020·6 cites·21 claims
1487US11576772B2One-piece heart valve stents adapted for post-implant expansionEDWARDS LIFESCIENCES CORP·Filed 2020·Granted Feb 14, 2023·2 cites·20 claims
1585US10667904B2Valve implant with integrated sensor and transmitterEDWARDS LIFESCIENCES CORP·Filed 2017·Granted Jun 2, 2020·6 cites·11 claims
1685US9375310B2Surgical heart valves adapted for post-implant expansionEDWARDS LIFESCIENCES CORP·Filed 2013·Granted Jun 28, 2016·14 cites·20 claims
1782US8798756B2Video processing unit for a visual prosthetic apparatusMCCLURE KELLY H·Filed 2007·Granted Aug 5, 2014·24 cites·11 claims
1881US12419741B2Limited expansion heart valvesEDWARDS LIFESCIENCES CORP·Filed 2023·Granted Sep 23, 2025·0 cites·24 claims
1981US11554015B2Minimally-invasive low strain annuloplasty ringEDWARDS LIFESCIENCES CORP·Filed 2021·Granted Jan 17, 2023·1 cites·22 claims
2081US2023404752A1Assembly of heart valves and intermediate adapter stentEDWARDS LIFESCIENCES CORP·Filed 2023·Application pending·0 cites
2181US2024238086A1Holder and deployment system for prosthetic heart valvesEDWARDS LIFESCIENCES CORP·Filed 2024·Application pending·0 cites
2280US11883282B2Assembly of heart valves and intermediate adapter stentEDWARDS LIFESCIENCES CORP·Filed 2019·Granted Jan 30, 2024·2 cites·14 claims
2380US11376122B2Holder and deployment system for surgical heart valvesEDWARDS LIFESCIENCES CORP·Filed 2019·Granted Jul 5, 2022·2 cites·20 claims
2478US9555244B2Retinal prosthesis and method of manufacturing a retinal prosthesisSECOND SIGHT MEDICAL PRODUCTS INC·Filed 2013·Granted Jan 31, 2017·2 cites·20 claims
2577US10130469B2Expandable surgical heart valve indicatorsEDWARDS LIFESCIENCES CORP·Filed 2017·Granted Nov 20, 2018·2 cites·20 claims
2677US8473048B2Package for an implantable neural stimulation deviceGREENBERG ROBERT J·Filed 2006·Granted Jun 25, 2013·11 cites·18 claims
2776US9095709B2Visual prosthetic apparatus for retinal stimulationMCCLURE KELLY H·Filed 2007·Granted Aug 4, 2015·13 cites·24 claims
2876US7228181B2Retinal prosthesis with side mounted inductive coilSECOND SIGHT MEDICAL PROD INC·Filed 2004·Granted Jun 5, 2007·42 cites·7 claims
2975US10625078B2Visual prosthetic apparatus for retinal stimulationSECOND SIGHT MEDICAL PRODUCTS INC·Filed 2015·Granted Apr 21, 2020·2 cites·8 claims
3075US8498713B2Visual prosthetic apparatus for retinal stimulationMCCLURE KELLY H·Filed 2007·Granted Jul 30, 2013·13 cites·6 claims
3174US12458490B2Valve implant with integrated sensor and transmitterEDWARDS LIFESCIENCES CORP·Filed 2022·Granted Nov 4, 2025·0 cites·18 claims
3273US7873419B2Retinal prosthesis and method of manufacturing a retinal prosthesisSECOND SIGHT MEDICAL PROD INC·Filed 2007·Granted Jan 18, 2011·7 cites·18 claims
3369US11622861B2Compressible heart valve annulus sizing templatesEDWARDS LIFESCIENCES CORP·Filed 2021·Granted Apr 11, 2023·0 cites·20 claims
3468US11471275B2Valve implant with integrated sensor and transmitterEDWARDS LIFESCIENCES CORP·Filed 2020·Granted Oct 18, 2022·0 cites·18 claims
3568US2024238088A1Valve holder assembly with commissure constrictionEDWARDS LIFESCIENCES CORP·Filed 2024·Application pending·0 cites
3667US11951006B2Valve holder assembly with suture looping protectionEDWARDS LIFESCIENCES CORP·Filed 2023·Granted Apr 9, 2024·0 cites·20 claims
3767US8915960B2Physiologic tricuspid annuloplasty ringCARPENTIER ALAIN F·Filed 2011·Granted Dec 23, 2014·4 cites·15 claims
3867US7908010B2Retinal prosthesis with side mounted inductive coilSECOND SIGHT MEDICAL PROD INC·Filed 2007·Granted Mar 15, 2011·4 cites·18 claims
3966US12167964B2Minimally-invasive low strain annuloplasty ringEDWARDS LIFESCIENCES CORP·Filed 2022·Granted Dec 17, 2024·0 cites·20 claims
4066US11957587B2Protected adjustable heart valve sizerEDWARDS LIFESCIENCES CORP·Filed 2021·Granted Apr 16, 2024·0 cites·20 claims
4163US8527057B2Retinal prosthesis and method of manufacturing a retinal prosthesisGREENBERG ROBERT J·Filed 2010·Granted Sep 3, 2013·1 cites·10 claims
4262US11554012B2Valve holder assembly with suture looping protectionEDWARDS LIFESCIENCES CORP·Filed 2022·Granted Jan 17, 2023·0 cites·20 claims
4362US11154394B2Methods of identifying and replacing implanted heart valvesEDWARDS LIFESCIENCES CORP·Filed 2019·Granted Oct 26, 2021·0 cites·22 claims
4462US9277996B2Force-based heart valve sizerEDWARDS LIFESCIENCES CORP·Filed 2013·Granted Mar 8, 2016·1 cites·21 claims
4562US2020069221A1Method for catheter-based clutched heart valve sizerEDWARDS LIFESCIENCES CORP·Filed 2019·Application pending·0 cites
4661US9931507B2Package for a retinal prosthesisSECOND SIGHT MEDICAL PRODUCTS INC·Filed 2016·Granted Apr 3, 2018·0 cites·16 claims
4761US8538540B2Retinal prosthesis with side mounted inductive coilGREENBERG ROBERT·Filed 2011·Granted Sep 17, 2013·1 cites·11 claims
4861USD599313SVideo processing unit for a visual prosthetic apparatusSECOND SIGHT MEDICAL PROD INC·Filed 2007·Granted Sep 1, 2009·2 cites·1 claims
4960US8195303B2Video processing unit for a visual prosthetic apparatusMCCLURE KELLY H·Filed 2007·Granted Jun 5, 2012·2 cites·24 claims
5060US8036751B2Retinal prosthesis with side mounted inductive coilSECOND SIGHT MEDICAL PRODUCERS INC·Filed 2006·Granted Oct 11, 2011·3 cites·20 claims

Showing the top 50 of 71 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →