Inventor · disambiguated record
Keng Yeam Chang
Also filed as: CHANG KENG YEAM
6 granted patents·22 citations·filing 2005–2021
77Inventor score
Top patents by PatentIndex Score
6 records- 0182US9383833B2Navigation device and power saving method thereofPIXART IMAGING INC·Filed 2013·Granted Jul 5, 2016·9 cites·19 claims
- 0271US8471493B2Combination LED driverYEM POH WENG·Filed 2011·Granted Jun 25, 2013·4 cites·20 claims
- 0368US9292113B2Driving circuit with fault detection and optical input device having the samePIXART IMAGING PENANG SDN BHD·Filed 2014·Granted Mar 22, 2016·3 cites·16 claims
- 0463US9198266B2Optical navigation sensor with integrated charge pumpPIXART IMAGING PENANG SDN BHD·Filed 2014·Granted Nov 24, 2015·1 cites·16 claims
- 0562US11405006B1Amplifying circuit and optical navigation devicePIXART IMAGING INC·Filed 2021·Granted Aug 2, 2022·0 cites·18 claims
- 0661US7247835B2Optical navigation device, and method for manufacturing sameCHANG KENG YEAM·Filed 2005·Granted Jul 24, 2007·5 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →