Inventor · disambiguated record
Han-Yi Chang
Also filed as: CHANG HAN-YI
7 granted patents·11 pending applications·16 citations·filing 2004–2025
78Inventor score
Top patents by PatentIndex Score
18 records- 0187US9056879B2Method of manufacturing hydrophilic silicone prepolymerPEGAVISION CORP·Filed 2012·Granted Jun 16, 2015·6 cites·13 claims
- 0283US9133221B2Method for manufacturing hydrophilic silicone macromerPEGAVISION CORP·Filed 2014·Granted Sep 15, 2015·3 cites·9 claims
- 0383US8865925B2Method for manufacturing hydrophilic silicone macromerPEGAVISION CORP·Filed 2012·Granted Oct 21, 2014·3 cites·8 claims
- 0480US9482788B2UV-blocking silicone hydrogel composition and silicone hydrogel contact lens containing thereofPEGAVISION CORP·Filed 2014·Granted Nov 1, 2016·4 cites·20 claims
- 0562US2025355281A1Smart contact lens and method of fabricating the samePEGAVISION CORP·Filed 2025·Application pending·0 cites
- 0657US2024142664A1Contact lenses for blocking blue light and methods of preparing the samePEGAVISION CORP·Filed 2023·Application pending·0 cites
- 0756US12510769B2Contact lens and manufacturing method thereofPEGAVISION CORP·Filed 2022·Granted Dec 30, 2025·0 cites·5 claims
- 0851US2021315807A1Hydrogel composition and hydrogel lensPEGAVISION CORP·Filed 2021·Application pending·0 cites
- 0950US9925293B2Solution for treating contact lensPEGAVISION CORP·Filed 2016·Granted Mar 27, 2018·0 cites·9 claims
- 1047US2024293984A1Contact lenses and manufacturing methods thereofPEGAVISION CORP·Filed 2021·Application pending·0 cites
- 1144US10918761B2Solution for treating contact lens and contact lens packaging systemPEGAVISION CORP·Filed 2016·Granted Feb 16, 2021·0 cites·9 claims
- 1244US2009032102A1Light collection devicePRODISC TECHNOLOGY INC·Filed 2008·Application pending·0 cites
- 1343US2007237061A1Optical data storage mediumPRODISC TECHNOLOGY INC·Filed 2007·Application pending·0 cites
- 1442US2006210759A1Optical information storage mediumPRODISC TECHNOLOGY INC·Filed 2005·Application pending·0 cites
- 1541US2006257614A1Optical information storage mediumPRODISC TECHNOLOGY INC·Filed 2005·Application pending·0 cites
- 1640US2007154675A1Optical information storage mediumPRODISC TECHNOLOGY INC·Filed 2006·Application pending·0 cites
- 1739US2006003135A1Optical information storage mediumPRODISC TECHNOLOGY INC·Filed 2004·Application pending·0 cites
- 1839US2009033865A1Contact lensCHANG HAN-YI·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →