Inventor · disambiguated record
Yuan-Wen Chang
Also filed as: CHANG YUAN-WEN
8 granted patents·87 citations·filing 2003–2012
86Inventor score
Top patents by PatentIndex Score
8 records- 0187US8120931B2Power converter with control circuit and related control methodCHANG YUAN-WEN·Filed 2008·Granted Feb 21, 2012·31 cites·16 claims
- 0286US7480159B2Switching-mode power converter and pulse-width-modulation control circuit with primary-side feedback controlLEADTREND TECH CORP·Filed 2007·Granted Jan 20, 2009·26 cites·14 claims
- 0385US9036377B2Control circuit of a switched-mode power converter and method thereofCHANG YUAN-WEN·Filed 2012·Granted May 19, 2015·10 cites·6 claims
- 0471US7619909B2Control circuit for adjusting leading edge blanking time and power converting system using the same control circuitLEADTREND TECH CORP·Filed 2007·Granted Nov 17, 2009·9 cites·10 claims
- 0556US7772824B2Control method for adjusting leading edge blanking time in power converting systemLEADTREND TECH CORP·Filed 2009·Granted Aug 10, 2010·3 cites·13 claims
- 0644US6853166B1Capacitance charge device with adjustable clamping voltageALTEK CORP·Filed 2003·Granted Feb 8, 2005·2 cites·9 claims
- 0741US6982882B2High voltage charging circuit for charging a high voltage capacitorLEADTREND TECH CORP·Filed 2004·Granted Jan 3, 2006·4 cites·8 claims
- 0837US7511974B2High voltage charging circuitLEADTREND TECH CORP·Filed 2004·Granted Mar 31, 2009·2 cites·15 claims
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