Assignee
ZHANG WEIQIANG
CN·4 granted patents·4 citations·filing 2011–2012
Technology mixH05B4
Top patents by PatentIndex Score
4 records- 0168US9013106B2Lamp ballast having filament heating apparatus for gas discharge lampZHANG WEIQIANG·Filed 2011·Granted Apr 21, 2015·2 cites·12 claims
- 0268US8487550B2Multi-channel LED driver circuitZHANG WEIQIANG·Filed 2011·Granted Jul 16, 2013·2 cites·22 claims
- 0351US8884533B2Light emitting diode lighting device and light emitting diode lampZHANG WEIQIANG·Filed 2012·Granted Nov 11, 2014·0 cites·18 claims
- 0444US8884542B2Self-oscillating dimmable electronic ballastZHANG WEIQIANG·Filed 2011·Granted Nov 11, 2014·0 cites·15 claims
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