Inventor · disambiguated record
Tsunehiko Chiba
Also filed as: CHIBA TSUNEHIKO
35 granted patents·19 pending applications·51 citations·filing 2005–2024
95Inventor score
Files withNOKIA SOLUTIONS & NETWORKS OY27DUTTA ASHUTOSH9NOKIA TECHNOLOGIES OY8RAKUTEN MOBILE INC7KDDI CORP2
Top patents by PatentIndex Score
54 records- 0195US11737043B2Satellite signal propagation delay variation compensationRAKUTEN MOBILE INC·Filed 2021·Granted Aug 22, 2023·3 cites·20 claims
- 0285US8098627B2P-CSCF fast handoff for IMS/MMS architectureDUTTA ASHUTOSH·Filed 2007·Granted Jan 17, 2012·14 cites·15 claims
- 0384US12262310B2Connection and notification for priority communicationRAKUTEN MOBILE INC·Filed 2021·Granted Mar 25, 2025·1 cites·11 claims
- 0482US10638356B2Transmission of network slicing constraints in 5G wireless networksNOKIA TECHNOLOGIES OY·Filed 2018·Granted Apr 28, 2020·4 cites·20 claims
- 0582US10383009B2Handover of a terminal in dual connectivity modeNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Granted Aug 13, 2019·5 cites·14 claims
- 0680US10123242B2Method, apparatus and system for dual connectivity handoverNOKIA SOLUTIONS & NETWORKS OY·Filed 2016·Granted Nov 6, 2018·3 cites·10 claims
- 0780US9894558B2Lower and upper bounds for flow-control data requests between network nodesNOKIA SOLUTIONS & NETWORKS OY·Filed 2015·Granted Feb 13, 2018·3 cites·16 claims
- 0879US10813019B2Cell reselection control mechanism in multi-connectivity communication modeNOKIA SOLUTIONS & NETWORKS OY·Filed 2016·Granted Oct 20, 2020·3 cites·34 claims
- 0978US12342307B2Satellite signal propagation delay variation compensationRAKUTEN MOBILE INC·Filed 2023·Granted Jun 24, 2025·0 cites·15 claims
- 1078US2024389041A1Satellite signal propagation delay variation compensationRAKUTEN MOBILE INC·Filed 2024·Application pending·0 cites
- 1171US9288694B2Partial failure handling of bearer mapping in dual connectivityNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Granted Mar 15, 2016·2 cites·26 claims
- 1270US11057766B2Security management in disaggregated base station in communication systemNOKIA TECHNOLOGIES OY·Filed 2018·Granted Jul 6, 2021·1 cites·26 claims
- 1370US9386483B2Method and apparatus for performing handover and re-establishment of connectionsNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Granted Jul 5, 2016·2 cites·22 claims
- 1470US9025771B2Security optimization for IMS/MMD architectureDUTTA ASHUTOSH·Filed 2007·Granted May 5, 2015·5 cites·6 claims
- 1569US9877216B2Minimization of drive tests in dual connectivity scenarioNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Granted Jan 23, 2018·2 cites·12 claims
- 1667US12289664B2Paging control for terrestrial and non-terrestrial networksRAKUTEN MOBILE INC·Filed 2021·Granted Apr 29, 2025·0 cites·6 claims
- 1766US12408099B2Connection change restriction in overlapping area of terrestrial network and non-terrestrial networkRAKUTEN MOBILE INC·Filed 2021·Granted Sep 2, 2025·0 cites·9 claims
- 1864US9094412B2Self organizing IP multimedia subsystemDUTTA ASHUTOSH·Filed 2010·Granted Jul 28, 2015·2 cites·9 claims
- 1961US11932320B2Radio-access-technology-specific access restrictionsNOKIA SOLUTIONS & NETWORKS OY·Filed 2022·Granted Mar 19, 2024·0 cites·12 claims
- 2054US8670407B2Proxy mobile IPDUTTA ASHUTOSH·Filed 2008·Granted Mar 11, 2014·1 cites·6 claims
- 2151US12483908B2Improving service continuityNOKIA TECHNOLOGIES OY·Filed 2020·Granted Nov 25, 2025·0 cites·17 claims
- 2251US2025150159A1Determining communication ratio based on non-terrestrial communication quality informationRAKUTEN MOBILE INC·Filed 2021·Application pending·0 cites
- 2349US11115880B2Path switch method between LTE and 5G nodeNOKIA TECHNOLOGIES OY·Filed 2017·Granted Sep 7, 2021·0 cites·25 claims
- 2449US10736033B2Secondary cell group configurationNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Granted Aug 4, 2020·0 cites·14 claims
- 2549US10375673B2Method and apparatus for enhancing broadcast serviceNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Granted Aug 6, 2019·0 cites·20 claims
- 2649US10123240B2Control of communication using dual-connectivity mode descriptionNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Granted Nov 6, 2018·0 cites·14 claims
- 2748US10341883B2Method and apparatus for closed subscriber group information transmissionNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Granted Jul 2, 2019·0 cites·17 claims
- 2848US8971291B2P-CSCF fast handoff for IMS/MMS architectureDUTTA ASHUTOSH·Filed 2011·Granted Mar 3, 2015·0 cites·5 claims
- 2947US8565186B2Methods of mitigation of trombone routing in an IMS/MMD networkDUTTA ASHUTOSH·Filed 2007·Granted Oct 22, 2013·0 cites·3 claims
- 3046US10182377B2Method, apparatus and system for handover in wireless communicationsNOKIA SOLUTIONS & NETWORKS OY·Filed 2016·Granted Jan 15, 2019·0 cites·19 claims
- 3145US10945128B2Data forwarding support in dual connectivityNOKIA SOLUTIONS & NETWORKS OY·Filed 2015·Granted Mar 9, 2021·0 cites·21 claims
- 3245US10355836B2Bearer setup in dual connectivityNOKIA TECHNOLOGIES OY·Filed 2015·Granted Jul 16, 2019·0 cites·17 claims
- 3345US2017311369A1Tracking area update enhancement in dual connectivityNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Application pending·0 cites
- 3445US2017150405A1Method and apparatusNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Application pending·0 cites
- 3545US2017230232A1SON for Dual ConnectivityNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Application pending·0 cites
- 3645US2016157155A1Selective Bearer Splitting in Cell SystemNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Application pending·0 cites
- 3744US10880705B2Multi-connectivity charging in heterogeneous networksNOKIA TECHNOLOGIES OY·Filed 2017·Granted Dec 29, 2020·0 cites·15 claims
- 3844US2017064589A1Handover apparatus and methodNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Application pending·0 cites
- 3944US2017019945A1Dual Connectivity Re-EstablishmentNOKIA SOLUTIONS & NETWORKS OY·Filed 2014·Application pending·0 cites
- 4043US10568159B2Split bearer enhancement for multi-connectivityNOKIA SOLUTIONS & NETWORKS OY·Filed 2016·Granted Feb 18, 2020·0 cites·18 claims
- 4143US2022150763A1Methods and apparatus for optimized inter-system handoverNOKIA SOLUTIONS & NETWORKS OY·Filed 2019·Application pending·0 cites
- 4242US11223991B2Connection establishment in inter-RAT communication systemNOKIA TECHNOLOGIES OY·Filed 2018·Granted Jan 11, 2022·0 cites·13 claims
- 4342US10342066B2Method and apparatus for dual connectivity managementNOKIA SOLUTIONS & NETWORKS OY·Filed 2015·Granted Jul 2, 2019·0 cites·20 claims
- 4442US2010217980A1Communication Control System, Mobile Communication Terminal and Computer ProgramKDDI CORP·Filed 2007·Application pending·0 cites
- 4539US2019182713A1Dual Connectivity Enhancement for Content Caching InterworkingNOKIA TECHNOLOGIES OY·Filed 2017·Application pending·0 cites
- 4638US2012239727A1Multimedia service network and method for providing the sameDUTTA ASHUTOSH·Filed 2011·Application pending·0 cites
- 4737US10462841B2Efficient secondary cell group change procedure for dual connectivityNOKIA SOLUTIONS & NETWORKS OY·Filed 2015·Granted Oct 29, 2019·0 cites·12 claims
- 4837US2012221700A1System, Method and Program for Telecom Infrastructure Virtualization and ManagementDUTTA ASHUTOSH·Filed 2011·Application pending·0 cites
- 4937US2018242395A1Method System and ApparatusNOKIA SOLUTIONS & NETWORKS OY·Filed 2016·Application pending·0 cites
- 5036US2006009197A1Call setting method for packet exchange networkKDDI CORP·Filed 2005·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →