Assignee
LIU KWANG-HWA
US·4 granted patents·3 pending applications·174 citations·filing 2006–2010
Top patents by PatentIndex Score
7 records- 0197US7259531B1Speed control of brushless DC motorsLIU KWANG-HWA·Filed 2006·Granted Aug 21, 2007·63 cites·23 claims
- 0294US8294379B2Dimmable LED lamp and dimmable LED lighting apparatusLIU KWANG-HWA·Filed 2009·Granted Oct 23, 2012·86 cites·15 claims
- 0393US8247992B2LED driver circuitLIU KWANG-HWA·Filed 2010·Granted Aug 21, 2012·15 cites·10 claims
- 0477US7427893B2Circuit and method for controlling the power mode a class-D amplifierLIU KWANG-HWA·Filed 2006·Granted Sep 23, 2008·10 cites·16 claims
- 0542US2007223907A1Photo-flash driving circuitLIU KWANG-HWA·Filed 2006·Application pending·0 cites
- 0637US2007262760A1Multiple-output dc-dc converterLIU KWANG-HWA·Filed 2006·Application pending·0 cites
- 0735US2008008337A1Usb hub with a usb powered speakerLIU KWANG-HWA·Filed 2006·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →