Inventor · disambiguated record
Yi Chang
Also filed as: CHANG YI · CHANG YI-SHUN
12 granted patents·2 pending applications·66 citations·filing 1999–2021
86Inventor score
Top patents by PatentIndex Score
14 records- 0189US11126069B2Projector and optical module including extending wireCORETRONIC CORP·Filed 2018·Granted Sep 21, 2021·4 cites·12 claims
- 0282US11237465B2Optical module and projector with sameCORETRONIC CORP·Filed 2018·Granted Feb 1, 2022·2 cites·19 claims
- 0381US11194241B2Optical moduleCORETRONIC CORP·Filed 2019·Granted Dec 7, 2021·2 cites·11 claims
- 0481US8803183B2LED heat-conducting substrate and its thermal moduleCHANG YI-SHUN·Filed 2010·Granted Aug 12, 2014·5 cites·11 claims
- 0573US6082623ACooling system and method for a portable computerTWINHEAD INTERNATIONAL CORP·Filed 1999·Granted Jul 4, 2000·48 cites·20 claims
- 0671US8653695B2Power switching device and method thereof, and projection device using the power switching deviceCHANG YI-SHUN·Filed 2010·Granted Feb 18, 2014·4 cites·24 claims
- 0766US10728509B2Projector, optical engine module, image resolution enhancement device and driving method thereofCORETRONIC CORP·Filed 2018·Granted Jul 28, 2020·1 cites·22 claims
- 0860US11500279B2Optical module and projection apparatusCORETRONIC CORP·Filed 2020·Granted Nov 15, 2022·0 cites·12 claims
- 0956US11209723B2Optical module and projectorCORETRONIC CORP·Filed 2020·Granted Dec 28, 2021·0 cites·12 claims
- 1045US11477420B2Illumination system and projection deviceCORETRONIC CORP·Filed 2021·Granted Oct 18, 2022·0 cites·20 claims
- 1140US11442346B2Illumination device, projection system and operation methods thereofCORETRONIC CORP·Filed 2020·Granted Sep 13, 2022·0 cites·17 claims
- 1240US11422447B2Illumination system, projection device and color wheel calibrating methodCORETRONIC CORP·Filed 2020·Granted Aug 23, 2022·0 cites·30 claims
- 1336US2012230524A1Piezoelectric panel speakerCHANG YI-SHUN·Filed 2011·Application pending·0 cites
- 1434US2011244728A1Universal serial bus connector and adaptor of the connectorCORETRONIC CORP·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →