Inventor · disambiguated record
Douglas Richards
Also filed as: RICHARDS DOUGLAS · RICHARDS DOUGLAS L · RICHARDS DOUGLAS LEW
12 granted patents·125 citations·filing 2001–2016
91Inventor score
Top patents by PatentIndex Score
12 records- 0186US8059958B1Measurement of polarization dependent loss in an optical transmission systemJIANG JUNFENG·Filed 2008·Granted Nov 15, 2011·15 cites·18 claims
- 0285US7616771B2Acoustic coupler for skin contact hearing enhancement devicesUNIV VIRGINIA COMMONWEALTH·Filed 2002·Granted Nov 10, 2009·39 cites·6 claims
- 0379US7788547B1Systems and methods for generation of communication channel fault informationSPRINT COMMUNICATIONS CO·Filed 2008·Granted Aug 31, 2010·9 cites·20 claims
- 0479US6778778B1Arrangement and method for testing fiber optic telecommunications circuits over dense wavelength division multiplexing (DWDM)SPRINT COMMUNICATIONS CO·Filed 2001·Granted Aug 17, 2004·19 cites·39 claims
- 0575US8189839B2Hearing device improvements using modulation of acoustically coupled signals at middle ear resonanceLENHARDT MARTIN·Filed 2009·Granted May 29, 2012·9 cites·6 claims
- 0670US6781679B1Identifying a polarization-mode dispersion eventSPRINT COMMUNICATIONS CO·Filed 2002·Granted Aug 24, 2004·14 cites·32 claims
- 0769US9241316B1System and procedure to reduce the power consumption of a mobile device through automated disabling of RF filtersSPRINT SPECTRUM LP·Filed 2013·Granted Jan 19, 2016·2 cites·19 claims
- 0865US7394980B1Systems and methods for testing a circuit in a communication networkSPRINT COMMUNICATIONS CO·Filed 2002·Granted Jul 1, 2008·9 cites·16 claims
- 0963US10666691B2Dynamic session classificationAVAYA INC·Filed 2016·Granted May 26, 2020·1 cites·20 claims
- 1056US7221871B2Identification of polarization-mode dispersion on a communication networkSPRINT COMMUNICATIONS CO·Filed 2003·Granted May 22, 2007·4 cites·20 claims
- 1153US6879827B2Testing a communication network with a shared test portSPRINT COMMUNICATIONS CO·Filed 2003·Granted Apr 12, 2005·3 cites·34 claims
- 1248US6907196B2Arrangement and method for testing fiber optic telecommunications circuits over dense wavelength division multiplexing (DWDM)SPRINT COMMUNICATIONS CO·Filed 2004·Granted Jun 14, 2005·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →