Inventor · disambiguated record
Yu-Pei Chang
Also filed as: CHANG YU PEI
5 granted patents·3 pending applications·6 citations·filing 2007–2022
67Inventor score
Top patents by PatentIndex Score
8 records- 0173US8736800B2Display deviceCHANG YU-PEI·Filed 2012·Granted May 27, 2014·3 cites·9 claims
- 0269US9253890B2Patterned conductive film, method of fabricating the same, and application thereofIND TECH RES INST·Filed 2013·Granted Feb 2, 2016·3 cites·26 claims
- 0348US9098784B1Beautifying method for quick response code and apparatus thereofUNIV NAT TAIWAN·Filed 2014·Granted Aug 4, 2015·0 cites·11 claims
- 0445US2022338309A1Transparent film heaterIND TECH RES INST·Filed 2022·Application pending·0 cites
- 0542US7578214B2Preload structure for a ball screwHIWIN TECH CORP·Filed 2007·Granted Aug 25, 2009·0 cites·8 claims
- 0641US8243012B2Color cholesteric liquid crystal display devices and driving methods thereofLEE DA-WEI·Filed 2008·Granted Aug 14, 2012·0 cites·42 claims
- 0741US2010170359A1Ball return device for ball screw deviceHIWIN TECH CORP·Filed 2009·Application pending·0 cites
- 0835US2011303036A1Ball return device for ball screw deviceCHEN YAN YU·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →