Inventor · disambiguated record
Yuan Chang
Also filed as: CHANG YUAN · CHANG YUAN-TI
17 granted patents·4 pending applications·11 citations·filing 2018–2025
87Inventor score
Top patents by PatentIndex Score
21 records- 0196US11256003B2Weekly and monthly disposable water gradient contact lensesNOVARTIS AG·Filed 2018·Granted Feb 22, 2022·6 cites·26 claims
- 0295US11513257B2Wettable silicone hydrogel contact lensesALCON INC·Filed 2020·Granted Nov 29, 2022·4 cites·23 claims
- 0387US12270968B2Weekly and monthly disposable water gradient contact lensesALCON INC·Filed 2024·Granted Apr 8, 2025·0 cites·24 claims
- 0484US11886045B2Method for making photochromic contact lensesALCON INC·Filed 2021·Granted Jan 30, 2024·1 cites·16 claims
- 0581US2025199204A1Weekly and monthly disposable water gradient contact lensesALCON INC·Filed 2025·Application pending·0 cites
- 0677US11945895B2Photochromic polydiorganosiloxane vinylic crosslinkersALCON INC·Filed 2021·Granted Apr 2, 2024·0 cites·14 claims
- 0777US11933941B2Weekly and monthly disposable water gradient contact lensesALCON INC·Filed 2022·Granted Mar 19, 2024·0 cites·26 claims
- 0876US2025306246A1Method for making embedded hydrogel contact lensesALCON INC·Filed 2025·Application pending·0 cites
- 0975US2025319678A1Systems and methods for insert placement to fabricate hybrid contact lensesALCON INC·Filed 2025·Application pending·0 cites
- 1072US2021284778A1Photochromic polydiorganosiloxane vinylic crosslinkersALCON INC·Filed 2021·Application pending·0 cites
- 1167US12358245B2Systems and methods for insert placement to fabricate hybrid contact lensesALCON INC·Filed 2022·Granted Jul 15, 2025·0 cites·28 claims
- 1267US12339528B2Colored cosmetic photochromic contact lensesALCON INC·Filed 2022·Granted Jun 24, 2025·0 cites·11 claims
- 1366US12360289B2Method for making embedded hydrogel contact lensesALCON INC·Filed 2022·Granted Jul 15, 2025·0 cites·9 claims
- 1458US12370766B2Formulation dosing device for contact lens fabricationALCON INC·Filed 2022·Granted Jul 29, 2025·0 cites·12 claims
- 1558US11927512B2Method for determining coating thickness on coated contact lensesALCON INC·Filed 2020·Granted Mar 12, 2024·0 cites·6 claims
- 1655US11833771B2Method for making photochromic contact lensesALCON INC·Filed 2022·Granted Dec 5, 2023·0 cites·17 claims
- 1754US12194699B2Embedded hydrogel contact lensesALCON INC·Filed 2022·Granted Jan 14, 2025·0 cites·23 claims
- 1854US12171871B2Contact lens packaging solutionsALCON INC·Filed 2021·Granted Dec 24, 2024·0 cites·12 claims
- 1953US11975499B2Method for making photochromic contact lensesALCON INC·Filed 2021·Granted May 7, 2024·0 cites·21 claims
- 2053US11945181B2Method for making photochromic contact lensesALCON INC·Filed 2021·Granted Apr 2, 2024·0 cites·18 claims
- 2151US11960337B2Customized thermal and power policies in computersHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Apr 16, 2024·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →