Inventor · disambiguated record
Yung-I Chang
Also filed as: CHANG YUNG-I
11 granted patents·182 citations·filing 2001–2020
87Inventor score
Files withSEMICONDUCTOR COMPONENTS IND LLC5CHANG YUNG-I2ADVANTEK HEALTH TECH CO LTD1ASIA OPTICAL CO INC1ASIA OPTICAL CO LTD1
Top patents by PatentIndex Score
11 records- 0196US6522111B2Linear voltage regulator using adaptive biasingLINFINITY MICROELECTRONICS·Filed 2001·Granted Feb 18, 2003·158 cites·18 claims
- 0290US10868473B2Secondary side controlled control circuit for power converter with synchronous rectifierSEMICONDUCTOR COMPONENTS IND LLC·Filed 2016·Granted Dec 15, 2020·9 cites·20 claims
- 0388US11223273B2Sub-harmonic oscillation control in peak current limit mode switching systemSEMICONDUCTOR COMPONENTS IND LLC·Filed 2020·Granted Jan 11, 2022·3 cites·20 claims
- 0482US10116351B2Pollution detection circuit for data lines and method thereofSEMICONDUCTOR COMPONENTS IND LLC·Filed 2016·Granted Oct 30, 2018·5 cites·20 claims
- 0574US9800166B2Power converter and control method thereforSEMICONDUCTOR COMPONENTS IND LLC·Filed 2016·Granted Oct 24, 2017·2 cites·14 claims
- 0659US8952669B2Average inductor current mode voltage control device and methodCHANG YUNG-I·Filed 2012·Granted Feb 10, 2015·2 cites·16 claims
- 0755US10097099B2Power converter and control method thereforSEMICONDUCTOR COMPONENTS IND LLC·Filed 2017·Granted Oct 9, 2018·0 cites·20 claims
- 0851US7549219B2Automatic assembling system and method for camera lens unitsASIA OPTICAL CO INC·Filed 2005·Granted Jun 23, 2009·3 cites·3 claims
- 0946US7293978B2Device for forming high precision optical lens and the product made by the deviceASIA OPTICAL CO LTD·Filed 2004·Granted Nov 13, 2007·0 cites·5 claims
- 1042US10821315B2Magnetron mechanism of unpowered treadmillADVANTEK HEALTH TECH CO LTD·Filed 2019·Granted Nov 3, 2020·0 cites·5 claims
- 1141US8884600B2Average inductor current control using variable reference voltageCHANG YUNG-I·Filed 2011·Granted Nov 11, 2014·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →