Inventor · disambiguated record
Yi-Chen Chang
Also filed as: CHANG YI-CHEN
9 granted patents·4 pending applications·39 citations·filing 2002–2021
85Inventor score
Top patents by PatentIndex Score
13 records- 0185US10176668B2Games and gaming machines having game symbol replacement featureAGS LLC·Filed 2015·Granted Jan 8, 2019·15 cites·19 claims
- 0271US9275522B2Method of adapting a class II game to provide the play characteristics of a class III gameAGS LLC·Filed 2013·Granted Mar 1, 2016·3 cites·18 claims
- 0365US7129636B2Active matrix organic electroluminescent device and fabrication method thereofAU OPTRONICS CORP·Filed 2004·Granted Oct 31, 2006·11 cites·21 claims
- 0462US9275521B2Method of adapting a class II game to provide the play characteristics of a class III gameAGS LLC·Filed 2013·Granted Mar 1, 2016·1 cites·1 claims
- 0551US7429969B2Method for driving a current-driven active matrix organic light emitting diode pixelAU OPTRONICS CORP·Filed 2003·Granted Sep 30, 2008·3 cites·2 claims
- 0648US2019139358A1Games and gaming machines having game symbol replacement featureAGS LLC·Filed 2019·Application pending·0 cites
- 0747US6933912B2Operation voltage auto-adjustable active matrix organic light emitting diode circuit and auto-adjusting method thereofAU OPTRONICS CORP·Filed 2003·Granted Aug 23, 2005·4 cites·5 claims
- 0846US11617260B2Multi-board mid-plane providing superior thermal performance, enhanced connector placement, and enhanced electrical signal trace routing channelsFLEX LTD·Filed 2021·Granted Mar 28, 2023·0 cites·20 claims
- 0946US7055158B2CD drive magazine locking apparatusEASTWIN TECHNOLOGY INC·Filed 2004·Granted May 30, 2006·2 cites·2 claims
- 1042US8439742B2Method of adapting a class II game to provide the play characteristics of a class III gameCHANG YI-CHEN·Filed 2011·Granted May 14, 2013·0 cites·6 claims
- 1142US2004227734A1Pixel arrayFiled 2003·Application pending·0 cites
- 1235US2004017336A1Driving method and system for light-emitting deviceFiled 2002·Application pending·0 cites
- 1335US2004051690A1Driving circuit and method of driving display deviceFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →