Assignee
CHANG RONALD
US·6 granted patents·55 citations·filing 2003–2009
Top patents by PatentIndex Score
6 records- 0191US8390262B2Methods and circuits for LED drivers and for PWM dimming controlsCHANG RONALD·Filed 2009·Granted Mar 5, 2013·39 cites·20 claims
- 0280US8205764B2Cap for vessel for performing multi-stage processCHANG RONALD·Filed 2009·Granted Jun 26, 2012·7 cites·14 claims
- 0372US8303895B2Apparatus for performing heat-exchanging chemical reactionsCHANG RONALD·Filed 2008·Granted Nov 6, 2012·2 cites·17 claims
- 0466US8293064B2Method for fabricating a reaction vesselCHANG RONALD·Filed 2003·Granted Oct 23, 2012·7 cites·10 claims
- 0562US8409531B2Method and apparatus for storing and dispensing reagent beadsCHANG RONALD·Filed 2009·Granted Apr 2, 2013·0 cites·20 claims
- 0662US8409530B2Apparatus for storing and dispensing reagent beadsCHANG RONALD·Filed 2009·Granted Apr 2, 2013·0 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →