Assignee
CHEUNG WILLIAM S H
GB·7 granted patents·60 citations·filing 1981–2012
Top patents by PatentIndex Score
7 records- 0192US7387928B2Device and method for making air, gas or vacuum capacitors and other microwave componentsCHEUNG WILLIAM S H·Filed 2006·Granted Jun 17, 2008·27 cites·8 claims
- 0283US8156622B2Electronic component fabrication method using removable spacersCHEUNG WILLIAM S H·Filed 2010·Granted Apr 17, 2012·5 cites·11 claims
- 0368US9913998B2Air purifier having an electret moduleCHEUNG WILLIAM S H·Filed 2012·Granted Mar 13, 2018·2 cites·12 claims
- 0465US8732925B2Electronic component fabrication method using removable spacersCHEUNG WILLIAM S H·Filed 2012·Granted May 27, 2014·1 cites·11 claims
- 0564US4438752AVehicle ignition systemCHEUNG WILLIAM S H·Filed 1981·Granted Mar 27, 1984·18 cites·8 claims
- 0650US9230736B2Planar electrodes and a method of controlling spacing between electrodesCHEUNG WILLIAM S H·Filed 2011·Granted Jan 5, 2016·0 cites·16 claims
- 0745US4620226AApparatus for producing audio and visual signals for modulating a television system carrier signalCHEUNG WILLIAM S H·Filed 1984·Granted Oct 28, 1986·7 cites·4 claims
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