Assignee
CAO QING-SHAN
CN·8 granted patents·54 citations·filing 2010–2011
Top patents by PatentIndex Score
8 records- 0192US8403692B2Illumination deviceCAO QING-SHAN·Filed 2011·Granted Mar 26, 2013·39 cites·5 claims
- 0280US8459829B2Illuminating system,universal lamp holder and LED lampCAO QING-SHAN·Filed 2010·Granted Jun 11, 2013·10 cites·9 claims
- 0368US8636377B2Light tube holder for receiving LED tube or fluorescent tubeCAO QING-SHAN·Filed 2011·Granted Jan 28, 2014·4 cites·5 claims
- 0444US8561340B2Illumination deviceCAO QING-SHAN·Filed 2011·Granted Oct 22, 2013·0 cites·7 claims
- 0543US8317550B2Electrical receptacle terminalCAO QING-SHAN·Filed 2011·Granted Nov 27, 2012·1 cites·4 claims
- 0639US8604715B2Lamp tube switch circuit and method thereofCAO QING-SHAN·Filed 2011·Granted Dec 10, 2013·0 cites·7 claims
- 0738US8604706B2Lamp tube switch circuitCAO QING-SHAN·Filed 2011·Granted Dec 10, 2013·0 cites·4 claims
- 0838US8604721B2Lamp tube switching circuitCAO QING-SHAN·Filed 2011·Granted Dec 10, 2013·0 cites·5 claims
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