Inventor · disambiguated record
David Akopian
Also filed as: AKOPIAN DAVID
31 granted patents·3 pending applications·494 citations·filing 2000–2022
97Inventor score
Top patents by PatentIndex Score
34 records- 0189US12292516B2System and method for global navigation satellite system (GNSS) spoofing detectionUNIV TEXAS·Filed 2022·Granted May 6, 2025·4 cites·19 claims
- 0287US8369568B2Methods and systems for digital image securityUNIV TEXAS·Filed 2011·Granted Feb 5, 2013·14 cites·21 claims
- 0387US7272168B2Determining the correlation between received samples and available replica samplesNOKIA SIEMENS NETWORKS OY·Filed 2003·Granted Sep 18, 2007·70 cites·14 claims
- 0484US10511392B2Systems, methods, and computer programs for wireless local area network localizationKHALAJMEHRABADI ALI·Filed 2017·Granted Dec 17, 2019·6 cites·20 claims
- 0582US6894645B1Position estimationNOKIA CORP·Filed 2003·Granted May 17, 2005·49 cites·12 claims
- 0682US6473694B1Method, apparatus and system for estimating user position with a satellite positioning system in poor signal conditionsNOKIA CORP·Filed 2001·Granted Oct 29, 2002·53 cites·31 claims
- 0781US7965861B2Methods and systems for digital image securityUNIV TEXAS·Filed 2007·Granted Jun 21, 2011·13 cites·9 claims
- 0880US6909738B2Method in a receiver and a receiverNOKIA MOBILE PHONES LTD·Filed 2001·Granted Jun 21, 2005·48 cites·29 claims
- 0979US6810072B1System for acquiring spread spectrum signalsNOKIA CORP·Filed 2000·Granted Oct 26, 2004·20 cites·28 claims
- 1077US9741256B2Remote laboratory gatewayAKOPIAN DAVID·Filed 2011·Granted Aug 22, 2017·7 cites·27 claims
- 1177US6459407B1Cross-correlation system for time recovery in network-assisted GPS positioningNOKIA MOBILE PHONES LTD·Filed 2001·Granted Oct 1, 2002·37 cites·24 claims
- 1275US6735243B1Method, apparatus and system for fast acquisition of a spread spectrum signalNOKIA CORP·Filed 2000·Granted May 11, 2004·36 cites·34 claims
- 1373US6466164B1Method and apparatus for calculating pseudorange for use in ranging receiversNOKIA MOBILE PHONES LTD·Filed 2001·Granted Oct 15, 2002·32 cites·22 claims
- 1472US11212018B2Systems, methods, and computer programs for wireless local area network localizationKHALAJMEHRABADI ALI·Filed 2019·Granted Dec 28, 2021·2 cites·20 claims
- 1571US6573799B1Clock system and corresponding method for providing a clock time accounting for systematic errorNOKIA CORP·Filed 2001·Granted Jun 3, 2003·28 cites·18 claims
- 1669US6771215B2Determination of the transmission time of a signal part in a positioning systemNOKIA CORP·Filed 2003·Granted Aug 3, 2004·26 cites·26 claims
- 1766US6909736B2System for method for fine acquisition of a spread spectrum signalNOKIA CORP·Filed 2000·Granted Jun 21, 2005·9 cites·52 claims
- 1866US6651031B2Method for providing time using a multiple-clock model and a clock system using such a modelNOKIA CORP·Filed 2001·Granted Nov 18, 2003·7 cites·10 claims
- 1958US7120191B2Method and apparatus for acquiring a ranging signal of a positioning systemNOKIA CORP·Filed 2001·Granted Oct 10, 2006·5 cites·10 claims
- 2057US6768451B2Method for determining the correlation between a received beacon signal and a reconstructed signalNOKIA CORP·Filed 2003·Granted Jul 27, 2004·13 cites·22 claims
- 2150US11105932B2Method and system for detecting and mitigating time synchronization attacks of global positioning system (GPS) receiversKHALAJMEHRABADI ALI·Filed 2018·Granted Aug 31, 2021·0 cites·26 claims
- 2250US7876738B2Preventing an incorrect synchronization between a received code-modulated signal and a replica codeNOKIA CORP·Filed 2004·Granted Jan 25, 2011·8 cites·27 claims
- 2349US7336696B2Acquisition of a code modulated signalNOKIA SIEMENS NETWORKS OY·Filed 2003·Granted Feb 26, 2008·1 cites·18 claims
- 2449US7277476B2Determining the correlation between received samples and available replica samplesNOKIA SIEMENS NETWORK OY·Filed 2003·Granted Oct 2, 2007·2 cites·16 claims
- 2546US8548106B2Crosscorrelation interference mitigating position estimation systems and methods thereforLACATUS CATALIN·Filed 2009·Granted Oct 1, 2013·3 cites·24 claims
- 2644US7124352B2Tracking a code modulated signalNOKIA CORP·Filed 2003·Granted Oct 17, 2006·0 cites·14 claims
- 2743US7286594B2Determination of the correlation phase between a signal and a replica sequenceNOKIA CORP·Filed 2003·Granted Oct 23, 2007·0 cites·19 claims
- 2840US7064708B2Validation of beacon signalsNOKIA CORP·Filed 2003·Granted Jun 20, 2006·1 cites·18 claims
- 2937US10470161B2Method and system for measurement and characterization of channel delays for broadband power line communicationsAKOPIAN DAVID·Filed 2016·Granted Nov 5, 2019·0 cites·20 claims
- 3036US6833813B2Method, receiver and system for determining the time of reception of a beacon signalNOKIA CORP·Filed 2003·Granted Dec 21, 2004·0 cites·17 claims
- 3136US2004141574A1Determination of the code phase between a code modulated signal and a replica code sequenceNOKIA CORP·Filed 2003·Application pending·0 cites
- 3236US2005128937A1Determination of correlation in the frequency domainNOKIA CORP·Filed 2003·Application pending·0 cites
- 3333US2016381541A1Systems and methods for a mobile uav-based emergency communication scannerAKOPIAN DAVID·Filed 2016·Application pending·0 cites
- 3424US10819663B2Interactive mobile service for deploying automated protocolsAKOPIAN DAVID·Filed 2017·Granted Oct 27, 2020·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when David Akopian files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →