Assignee
ZHANG QIHUI
CN·2 granted patents·7 citations·filing 2012–2012
Top patents by PatentIndex Score
2 records- 0172US9212804B2Lens and an asymmetrical light distribution illuminating device having such lensZHANG QIHUI·Filed 2012·Granted Dec 15, 2015·4 cites·12 claims
- 0270US9255667B2LED lighting assembly and an LED retrofit lamp having the LED lighting assemblyZHANG QIHUI·Filed 2012·Granted Feb 9, 2016·3 cites·15 claims
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