Assignee
Wu hai-zhou
CN·6 granted patents·49 citations·filing 2011–2012
Top patents by PatentIndex Score
6 records- 0192US8552691B2Charging circuit with function of avoiding battery pulling down voltage output from charging device and charging method thereofWu hai-zhou·Filed 2011·Granted Oct 8, 2013·38 cites·14 claims
- 0279US8627121B2USB-on-the-go bi-directional protection circuitWu hai-zhou·Filed 2011·Granted Jan 7, 2014·8 cites·18 claims
- 0361US8724824B2Portable electronic device having universal earphone jackWu hai-zhou·Filed 2011·Granted May 13, 2014·2 cites·2 claims
- 0457US8742731B2Voltage conversion circuit and charging device employing the sameWu hai-zhou·Filed 2011·Granted Jun 3, 2014·1 cites·16 claims
- 0548US9000688B2Control circuit for light emitting diode of displayWu hai-zhou·Filed 2012·Granted Apr 7, 2015·0 cites·11 claims
- 0644US9552028B2Portable electronic device and voltage converting circuit thereofWu hai-zhou·Filed 2012·Granted Jan 24, 2017·0 cites·16 claims
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