Inventor · disambiguated record
Jan Hendrik Lucas Bakker
Also filed as: BAKKER JAN · BAKKER JAN HENDRIK LUCAS
119 granted patents·20 pending applications·494 citations·filing 1981–2025
99Inventor score
Files withBLACKBERRY LTD76BAKKER JAN HENDRIK LUCAS15MALIKIE INNOVATIONS LTD15RESEARCH IN MOTION LTD9FACCIN STEFANO7
Top patents by PatentIndex Score
139 records- 0199US10880802B1Preserving emergency call during failure to transferBLACKBERRY LTD·Filed 2020·Granted Dec 29, 2020·18 cites·20 claims
- 0299US10791450B1Emergency services handlingBLACKBERRY LTD·Filed 2020·Granted Sep 29, 2020·12 cites·24 claims
- 0399US10779255B2Managing local emergency numbersBLACKBERRY LTD·Filed 2020·Granted Sep 15, 2020·6 cites·20 claims
- 0498US8477724B2System and method for enabling session context continuity of local service availability in local cellular coverageBAKKER JAN HENDRIK LUCAS·Filed 2010·Granted Jul 2, 2013·62 cites·8 claims
- 0597US11743707B2Method and apparatus for providing emergency codes to a mobile deviceOT PATENT ESCROW LLC·Filed 2022·Granted Aug 29, 2023·2 cites·12 claims
- 0697US10165432B2Method and apparatus for providing emergency codes to a mobile deviceBLACKBERRY LTD·Filed 2017·Granted Dec 25, 2018·10 cites·9 claims
- 0796US10805982B1Supported extended emergency information typeBLACKBERRY LTD·Filed 2019·Granted Oct 13, 2020·11 cites·16 claims
- 0896US9271316B2Network apparatus and process to determine the connection context for connections used for (local) offloadingBAKKER JAN HENDRIK LUCAS·Filed 2012·Granted Feb 23, 2016·33 cites·19 claims
- 0995US12225444B2Support of emergency number descriptionsMALIKIE INNOVATIONS LTD·Filed 2023·Granted Feb 11, 2025·2 cites·12 claims
- 1095US10499234B2Method and apparatus for providing emergency codes to a mobile deviceBLACKBERRY LTD·Filed 2018·Granted Dec 3, 2019·6 cites·21 claims
- 1195US8369253B2Methods and apparatus to support voice solutions for data centric terminalsRESEARCH IN MOTION LTD·Filed 2010·Granted Feb 5, 2013·26 cites·18 claims
- 1294US12401985B2Steering of roaming in wireless communication networksMALIKIE INNOVATIONS LTD·Filed 2023·Granted Aug 26, 2025·1 cites·20 claims
- 1394US11375355B2Methods and systems for provisioning emergency numbersBLACKBERRY LTD·Filed 2020·Granted Jun 28, 2022·2 cites·11 claims
- 1494US10771952B2Method and apparatus for providing emergency codes to a mobile deviceBLACKBERRY LTD·Filed 2019·Granted Sep 8, 2020·5 cites·21 claims
- 1594US9167506B2System and method for enabling discovery of local service availability in local cellular coverageFACCIN STEFANO·Filed 2012·Granted Oct 20, 2015·16 cites·20 claims
- 1693US12041551B2Increasing battery performance for a device that uses power saving featuresMALIKIE INNOVATIONS LTD·Filed 2022·Granted Jul 16, 2024·1 cites·20 claims
- 1793US11895612B2Managing local emergency numbersBLACKBERRY LTD·Filed 2022·Granted Feb 6, 2024·1 cites·18 claims
- 1893US11812357B2Methods and systems for provisioning emergency numbersBLACKBERRY LTD·Filed 2022·Granted Nov 7, 2023·1 cites·19 claims
- 1993US10440549B2Methods and systems for provisioning emergency numbersBLACKBERRY LTD·Filed 2019·Granted Oct 8, 2019·4 cites·27 claims
- 2092US10979880B2Optimized short message transportBLACKBERRY LTD·Filed 2020·Granted Apr 13, 2021·3 cites·23 claims
- 2192US10349257B1Methods and systems for provisioning emergency numbersBLACKBERRY LTD·Filed 2018·Granted Jul 9, 2019·5 cites·27 claims
- 2292US8884892B2Portable electronic device and method of controlling sameBAKKER JAN HENDRIK LUCAS·Filed 2011·Granted Nov 11, 2014·18 cites·23 claims
- 2391US11343742B2Preserving emergency call during failure to transferBLACKBERRY LTD·Filed 2020·Granted May 24, 2022·2 cites·14 claims
- 2491US10952062B2Steering of roaming in wireless communication networksBLACKBERRY LTD·Filed 2018·Granted Mar 16, 2021·4 cites·19 claims
- 2591US10834565B2Methods and systems for provisioning emergency numbersBLACKBERRY LTD·Filed 2020·Granted Nov 10, 2020·2 cites·19 claims
- 2691US10674345B2Methods and systems for provisioning emergency numbersBLACKBERRY LTD·Filed 2019·Granted Jun 2, 2020·3 cites·27 claims
- 2791US8755765B2System and method for managing emergency requestsRESEARCH IN MOTION LTD·Filed 2013·Granted Jun 17, 2014·11 cites·36 claims
- 2891US8442479B2Privacy-related requests for an IMS emergency sessionBAKKER JAN HENDRIK LUCAS·Filed 2009·Granted May 14, 2013·17 cites·21 claims
- 2989US11038930B2Providing session initiation protocol request contents method and systemBLACKBERRY LTD·Filed 2019·Granted Jun 15, 2021·3 cites·20 claims
- 3089US10560828B2Optimized short message transportBLACKBERRY LTD·Filed 2019·Granted Feb 11, 2020·3 cites·23 claims
- 3189US9769592B2Optimized short message transportBLACKBERRY LTD·Filed 2015·Granted Sep 19, 2017·4 cites·21 claims
- 3289US8478226B2Updating a request related to an IMS emergency sessionBAKKER JAN HENDRIK LUCAS·Filed 2008·Granted Jul 2, 2013·14 cites·45 claims
- 3389US8369824B2Privacy-related requests for an IMS emergency sessionRESEARCH IN MOTION LTD·Filed 2011·Granted Feb 5, 2013·10 cites·27 claims
- 3488US9723029B2Providing session initiation protocol request contents method and systemBLACKBERRY LTD·Filed 2016·Granted Aug 1, 2017·4 cites·20 claims
- 3587US12477467B2Increasing battery performance for a device that uses power saving featuresMALIKIE INNOVATIONS LTD·Filed 2024·Granted Nov 18, 2025·0 cites·12 claims
- 3687US11575718B2Providing session initiation protocol request contents method and systemBLACKBERRY LTD·Filed 2021·Granted Feb 7, 2023·1 cites·20 claims
- 3787US10397282B2Providing session initiation protocol request contents method and systemBLACKBERRY LTD·Filed 2017·Granted Aug 27, 2019·3 cites·15 claims
- 3887US10200841B2Optimized short message transportBLACKBERRY LTD·Filed 2017·Granted Feb 5, 2019·3 cites·23 claims
- 3987US10135885B2System and method for determining trust for SIP messagesBLACKBERRY LTD·Filed 2016·Granted Nov 20, 2018·3 cites·19 claims
- 4087US9237198B2Providing session initiation protocol request contents method and systemBLACKBERRY LTD·Filed 2014·Granted Jan 12, 2016·5 cites·20 claims
- 4187US8787371B2Providing session initiation protocol request contents method and systemRESEARCH IN MOTION LTD·Filed 2012·Granted Jul 22, 2014·5 cites·20 claims
- 4287US8756330B2System and method for determining trust for SIP messagesBAKKER JAN HENDRIK LUCAS·Filed 2012·Granted Jun 17, 2014·5 cites·24 claims
- 4387US8694660B2System and method for determining trust for SIP messagesBAKKER JAN HENDRIK LUCAS·Filed 2012·Granted Apr 8, 2014·5 cites·12 claims
- 4487US8305210B2Coding and behavior when receiving an IMS emergency session indicator from authorized sourceBAKKER JAN HENDRIK LUCAS·Filed 2009·Granted Nov 6, 2012·11 cites·20 claims
- 4587US7895302B2System and method for determining trust for SIP messagesRESEARCH IN MOTION LTD·Filed 2010·Granted Feb 22, 2011·5 cites·11 claims
- 4686US12294968B2Managing local emergency numbersMALIKIE INNOVATIONS LTD·Filed 2024·Granted May 6, 2025·0 cites·16 claims
- 4786US11496982B2Managing local emergency numbersBLACKBERRY LTD·Filed 2019·Granted Nov 8, 2022·2 cites·20 claims
- 4886US11082459B2System and method for determining trust for SIP messagesBLACKBERRY LTD·Filed 2018·Granted Aug 3, 2021·2 cites·26 claims
- 4986US10862746B2Policing of packet switched servicesBLACKBERRY LTD·Filed 2017·Granted Dec 8, 2020·4 cites·22 claims
- 5086US9401935B2System and method for determining trust for SIP messagesBAKKER JAN HENDRIK LUCAS·Filed 2010·Granted Jul 26, 2016·5 cites·18 claims
Showing the top 50 of 139 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →