Inventor · disambiguated record
Yajiang Zhu
Also filed as: ZHU YAJIANG
22 granted patents·190 citations·filing 2008–2017
95Inventor score
Files withSHANGHAI SIM-BCD SEMICONDUCTOR MFG CO LTD5ZHU YAJIANG5BCD SEMICONDUCTOR MFG LTD4BCD SEMICONDUCTOR MFG CO LTD1BCD SEMICONDUCTOR MFG LIMITED1
Top patents by PatentIndex Score
22 records- 0195US8587968B2Control circuits and methods for switching mode power suppliesZHU YAJIANG·Filed 2012·Granted Nov 19, 2013·68 cites·17 claims
- 0291US8125799B2Control circuits and methods for switching mode power suppliesZHU YAJIANG·Filed 2009·Granted Feb 28, 2012·37 cites·15 claims
- 0384US9293981B2Fast startup control circuit for switch mode power supplySHANGHAI SIM BCD SEMICONDUCTOR MFG CO LTD·Filed 2013·Granted Mar 22, 2016·6 cites·16 claims
- 0483US8045348B2Switching mode power supply controller with high voltage startup circuitsBCD SEMICONDUCTOR MFG LTD·Filed 2009·Granted Oct 25, 2011·22 cites·31 claims
- 0581US9893626B2Switching mode power supply with selectable constant-voltage constant-current controlSHANGHAI SIM BCD SEMICONDUCTOR MFG CO LTD·Filed 2015·Granted Feb 13, 2018·5 cites·21 claims
- 0679USRE46369EControl circuits and methods for switching mode power suppliesBCD SEMICONDUCTOR MFG LTD·Filed 2014·Granted Apr 18, 2017·4 cites·37 claims
- 0779US8804380B2Zero standby switching power supply solutionGAO XIAORU·Filed 2012·Granted Aug 12, 2014·8 cites·20 claims
- 0878US9112426B2High power-factor control circuit and method for switched mode power supplyZHU SHIHAI·Filed 2011·Granted Aug 18, 2015·8 cites·16 claims
- 0977US9520868B2Power transistor driving circuits and methods for switching mode power suppliesBCD SEMICONDUCTOR MFG LTD·Filed 2013·Granted Dec 13, 2016·4 cites·8 claims
- 1076US9748834B2Fast startup control circuit for switch mode power supplySHANGHAI SIM-BCD SEMICONDUCTOR MFG CO LTD·Filed 2016·Granted Aug 29, 2017·2 cites·3 claims
- 1171US9391530B2System and method for synchronous rectifierBCD SEMICONDUCTOR MFG LTD·Filed 2013·Granted Jul 12, 2016·3 cites·17 claims
- 1271US9356508B2Constant-voltage and constant-current buck converter and control circuitWANG HU·Filed 2013·Granted May 31, 2016·3 cites·17 claims
- 1369US9991787B2Fast startup control circuit for switch mode power supplySHANGHAI SIM BCD SEMICONDUCTOR MFG CO LTD·Filed 2017·Granted Jun 5, 2018·1 cites·14 claims
- 1467US9853542B2Constant-voltage and constant-current buck converter and control circuitBCD SEMICONDUCTOR MFG CO LTD·Filed 2016·Granted Dec 26, 2017·2 cites·20 claims
- 1564US8897039B2Method and system for pulse frequency modulated switching mode power suppliesZHU YAJIANG·Filed 2008·Granted Nov 25, 2014·5 cites·13 claims
- 1660US8526202B2System and method for synchronous rectifierFANG SHAOHUA·Filed 2009·Granted Sep 3, 2013·6 cites·16 claims
- 1755US9431895B2High power-factor control circuit and power supplySHANGHAI SIM-BCD SEMICONDUCTOR MFG CO LTD·Filed 2014·Granted Aug 30, 2016·1 cites·23 claims
- 1855US8964415B2Circuits and methods for increasing power factor of switch mode power supplyZHU YAJIANG·Filed 2012·Granted Feb 24, 2015·1 cites·20 claims
- 1948US8482943B2Power transistor driving circuits and methods for switching mode power suppliesDUAN JIANHUA·Filed 2009·Granted Jul 9, 2013·2 cites·20 claims
- 2046US8792258B2Method and apparatus for reducing standby power of switching mode power suppliesZHU YAJIANG·Filed 2008·Granted Jul 29, 2014·2 cites·16 claims
- 2144US10756633B2High power-factor control circuit and method for switched mode power supplyBCD SEMICONDUCTOR MFG LIMITED·Filed 2015·Granted Aug 25, 2020·0 cites·20 claims
- 2234US9083246B2Control circuit for primary side control of switching power supplyZONG QIANG·Filed 2011·Granted Jul 14, 2015·0 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when Yajiang Zhu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →