Inventor · disambiguated record
Pei-Ming Chang
Also filed as: CHANG PEI-MING
27 granted patents·14 pending applications·48 citations·filing 1997–2020
93Inventor score
Top patents by PatentIndex Score
41 records- 0187US9632133B2Circuit board testing systemPRIMAX ELECTRONICS LTD·Filed 2014·Granted Apr 25, 2017·7 cites·3 claims
- 0284US9817030B2Testing device for testing an under-test objectPRIMAX ELECTRONICS LTD·Filed 2015·Granted Nov 14, 2017·3 cites·9 claims
- 0379US9651613B2Circuit board testing systemPRIMAX ELECTRONICS LTD·Filed 2014·Granted May 16, 2017·4 cites·5 claims
- 0476US9330609B2Luminance adjusting method for display screen of electronic devicePRIMAX ELECTRONICS LTD·Filed 2014·Granted May 3, 2016·2 cites·10 claims
- 0572US8117504B2Automatic keyboard testing systemCHANG PEI-MING·Filed 2009·Granted Feb 14, 2012·6 cites·14 claims
- 0669US10750068B2Camera module testing methodPRIMAX ELECTRONICS LTD·Filed 2019·Granted Aug 18, 2020·1 cites·9 claims
- 0764US11099058B2Electronic scale with calibration function and electronic scale calibrating methodPRIMAX ELECTRONICS LTD·Filed 2019·Granted Aug 24, 2021·1 cites·10 claims
- 0863US5941358AEnd-of-fill detector arrangement for a fluid actuated clutchCATERPILLAR INC·Filed 1997·Granted Aug 24, 1999·21 cites·12 claims
- 0961US7958405B1Automatic testing system and method for judging whether universal serial bus device is configured to computerPRIMAX ELECTRONICS LTD·Filed 2010·Granted Jun 7, 2011·1 cites·15 claims
- 1059US8102372B2Optical mouse testing deviceCHANG PEI-MING·Filed 2009·Granted Jan 24, 2012·2 cites·10 claims
- 1154US10175280B2Electronic device test system and method thereofPRIMAX ELECTRONICS LTD·Filed 2017·Granted Jan 8, 2019·0 cites·9 claims
- 1250US9798373B2Controlling method of computer screen and computer system using the samePRIMAX ELECTRONICS LTD·Filed 2014·Granted Oct 24, 2017·0 cites·13 claims
- 1349US10872346B2Communicating method and communicating systemPRIMAX ELECTRONICS LTD·Filed 2017·Granted Dec 22, 2020·0 cites·4 claims
- 1449US2015251263A1Tweezers device with function of installing soldering ironPRIMAX ELECTRONICS LTD·Filed 2014·Application pending·0 cites
- 1547US11431181B2Wireless sound output device with charging functionPRIMAX ELECTRONICS LTD·Filed 2020·Granted Aug 30, 2022·0 cites·7 claims
- 1647US2021342767A1Externally-connected shop floor control systemPRIMAX ELECTRONICS LTD·Filed 2020·Application pending·0 cites
- 1746US10338978B2Electronic device test system and method thereofPRIMAX ELECTRONICS LTD·Filed 2017·Granted Jul 2, 2019·0 cites·2 claims
- 1846US9297857B2Membrane switch circuit testing systemPRIMAX ELECTRONICS LTD·Filed 2014·Granted Mar 29, 2016·0 cites·10 claims
- 1945US10248519B2Input device test system and method thereofPRIMAX ELECTRONICS LTD·Filed 2017·Granted Apr 2, 2019·0 cites·5 claims
- 2044US10139886B2Input modulePRIMAX ELECTRONICS LTD·Filed 2016·Granted Nov 27, 2018·0 cites·8 claims
- 2144US8515705B2Method and system for testing circuit board of keysCHANG PEI-MING·Filed 2011·Granted Aug 20, 2013·0 cites·15 claims
- 2243US9779011B2Testing systemPRIMAX ELECTRONICS LTD·Filed 2016·Granted Oct 3, 2017·0 cites·10 claims
- 2343US8719640B2Mouse motion trajectory testing systemCHANG PEI-MING·Filed 2011·Granted May 6, 2014·0 cites·10 claims
- 2443US2021026461A1Independent inputting device with self-learning functionPRIMAX ELECTRONICS LTD·Filed 2019·Application pending·0 cites
- 2542US2019331709A1Sensor testing system and sensor testing method applied theretoPRIMAX ELECTRONICS LTD·Filed 2018·Application pending·0 cites
- 2641US10725898B2Testing network framework and information management method applied theretoPRIMAX ELECTRONICS LTD·Filed 2018·Granted Jul 28, 2020·0 cites·14 claims
- 2741US8392144B2Keyboard test program generating methodCHANG PEI-MING·Filed 2010·Granted Mar 5, 2013·0 cites·10 claims
- 2841US2020019853A1Product testing system with auxiliary judging function and auxiliary testing method applied theretoPRIMAX ELECTRONICS LTD·Filed 2018·Application pending·0 cites
- 2941US2021063239A1Method and system for calibrating laser powerPRIMAX ELECTRONICS LTD·Filed 2019·Application pending·0 cites
- 3040US10061673B2Testing system using different operating systems to test electronic productsPRIMAX ELECTRONICS LTD·Filed 2016·Granted Aug 28, 2018·0 cites·9 claims
- 3139US2018164863A1Power consumption testing system and power consumption testing method for wireless mousePRIMAX ELECTRONICS LTD·Filed 2017·Application pending·0 cites
- 3239US2012192009A1Testing method and testing system of keyboard moduleCHANG PEI-MING·Filed 2011·Application pending·0 cites
- 3339US2012259591A1Keyboard testing methodCHANG PEI-MING·Filed 2011·Application pending·0 cites
- 3439US2018059179A1Automatic control system and automatic instrument searching method for the samePRIMAX ELECTRONICS LTD·Filed 2016·Application pending·0 cites
- 3539US2013132015A1Automatic testing methodCHANG PEI-MING·Filed 2012·Application pending·0 cites
- 3638US8655616B2System for testing illuminating elements and method for testing illuminating elementsCHANG PEI-MING·Filed 2011·Granted Feb 18, 2014·0 cites·7 claims
- 3737US2010238054A1Keyboard device and method for identifying different key functions on the keyboard devicePRIMAX ELECTRONICS LTD·Filed 2009·Application pending·0 cites
- 3837US2017336468A1Testing system for circuit boardPRIMAX ELECTRONICS LTD·Filed 2016·Application pending·0 cites
- 3936US10502776B2Circuit board testing systemPRIMAX ELECTRONICS LTD·Filed 2018·Granted Dec 10, 2019·0 cites·16 claims
- 4036US2018184220A1Sound testing system and sound testing method for embedded systemPRIMAX ELECTRONICS LTD·Filed 2017·Application pending·0 cites
- 4135US10234481B2Detection data storage device for detection probePRIMAX ELECTRONIC LTD·Filed 2017·Granted Mar 19, 2019·0 cites·10 claims
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