Individual holder
CHAN HARK C
18 granted patents·1,359 citations·filing 2003–2016
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
18 records- 0199US8457545B2Information distribution and processing systemCHAN HARK C·Filed 2011·Granted Jun 4, 2013·1.2k cites·18 claims
- 0293US7403753B1Receiving system operating on multiple audio programsCHAN HARK C·Filed 2005·Granted Jul 22, 2008·12 cites·20 claims
- 0392US8010068B1Transmission and receiver system operating on different frequency bandsCHAN HARK C·Filed 2010·Granted Aug 30, 2011·7 cites·23 claims
- 0492US7245707B1Data network based telephone messaging systemCHAN HARK C·Filed 2003·Granted Jul 17, 2007·65 cites·17 claims
- 0589US7778614B1Receiver storage system for audio programCHAN HARK C·Filed 2008·Granted Aug 17, 2010·7 cites·24 claims
- 0688US8489049B1Transmission and receiver system operating on different frequency bandsCHAN HARK C·Filed 2012·Granted Jul 16, 2013·4 cites·14 claims
- 0788US8103231B1Transmission and receiver system operating on different frequency bandsCHAN HARK C·Filed 2011·Granted Jan 24, 2012·4 cites·27 claims
- 0888US7856217B1Transmission and receiver system operating on multiple audio programsCHAN HARK C·Filed 2008·Granted Dec 21, 2010·6 cites·25 claims
- 0987US7814212B1Data delivery system using local and remote communicationsCHAN HARK C·Filed 2007·Granted Oct 12, 2010·15 cites·10 claims
- 1086US9026072B1Transmission and receiver system operating on different frequency bandsCHAN HARK C·Filed 2014·Granted May 5, 2015·3 cites·14 claims
- 1186US7369824B1Receiver storage system for audio programCHAN HARK C·Filed 2005·Granted May 6, 2008·10 cites·19 claims
- 1282US8172137B1Authentication with no physical identification documentCHAN HARK C·Filed 2011·Granted May 8, 2012·3 cites·8 claims
- 1382US7900820B1Authentication with no physical identification documentCHAN HARK C·Filed 2010·Granted Mar 8, 2011·3 cites·10 claims
- 1480US7699217B1Authentication with no physical identification documentCHAN HARK C·Filed 2006·Granted Apr 20, 2010·5 cites·6 claims
- 1570US7278064B1Information delivery systemCHAN HARK C·Filed 2004·Granted Oct 2, 2007·8 cites·18 claims
- 1666US7783014B1Decryption and decompression based audio systemCHAN HARK C·Filed 2007·Granted Aug 24, 2010·1 cites·14 claims
- 1765USRE45362ETransmission and receiver system operating on multiple audio programsCHAN HARK C·Filed 2012·Granted Feb 3, 2015·0 cites·37 claims
- 1864US9608744B1Receiver system for audio informationCHAN HARK C·Filed 2016·Granted Mar 28, 2017·0 cites·5 claims
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