Inventor
CHIBA TSUNEHIKO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “CHIBA TSUNEHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NOKIA SOLUTIONS & NETWORKS OY
17 patentsUS10813019B2Oct 20, 2020
Cell reselection control mechanism in multi-connectivity communication mode
NOKIA SOLUTIONS & NETWORKS OY3 citations73
US10383009B2Aug 13, 2019
Handover of a terminal in dual connectivity mode
NOKIA SOLUTIONS & NETWORKS OY5 citations73
US10123242B2Nov 6, 2018
Method, apparatus and system for dual connectivity handover
NOKIA SOLUTIONS & NETWORKS OY3 citations73
US9894558B2Feb 13, 2018
Lower and upper bounds for flow-control data requests between network nodes
NOKIA SOLUTIONS & NETWORKS OY3 citations73
US9877216B2Jan 23, 2018
Minimization of drive tests in dual connectivity scenario
NOKIA SOLUTIONS & NETWORKS OY2 citations73
US9386483B2Jul 5, 2016
Method and apparatus for performing handover and re-establishment of connections
NOKIA SOLUTIONS & NETWORKS OY2 citations63
US9288694B2Mar 15, 2016
Partial failure handling of bearer mapping in dual connectivity
NOKIA SOLUTIONS & NETWORKS OY2 citations63
US10945128B2Mar 9, 2021
Data forwarding support in dual connectivity
NOKIA SOLUTIONS & NETWORKS OY0 citations62
US11932320B2Mar 19, 2024
Radio-access-technology-specific access restrictions
NOKIA SOLUTIONS & NETWORKS OY0 citations52
US10342066B2Jul 2, 2019
Method and apparatus for dual connectivity management
NOKIA SOLUTIONS & NETWORKS OY0 citations52
US10182377B2Jan 15, 2019
Method, apparatus and system for handover in wireless communications
NOKIA SOLUTIONS & NETWORKS OY0 citations52
US10568159B2Feb 18, 2020
Split bearer enhancement for multi-connectivity
NOKIA SOLUTIONS & NETWORKS OY0 citations48
US10736033B2Aug 4, 2020
Secondary cell group configuration
NOKIA SOLUTIONS & NETWORKS OY0 citations42
US10375673B2Aug 6, 2019
Method and apparatus for enhancing broadcast service
NOKIA SOLUTIONS & NETWORKS OY0 citations42
US10341883B2Jul 2, 2019
Method and apparatus for closed subscriber group information transmission
NOKIA SOLUTIONS & NETWORKS OY0 citations42
US10462841B2Oct 29, 2019
Efficient secondary cell group change procedure for dual connectivity
NOKIA SOLUTIONS & NETWORKS OY0 citations41
US10123240B2Nov 6, 2018
Control of communication using dual-connectivity mode description
NOKIA SOLUTIONS & NETWORKS OY0 citations41
NOKIA TECHNOLOGIES OY
7 patentsUS10638356B2Apr 28, 2020
Transmission of network slicing constraints in 5G wireless networks
NOKIA TECHNOLOGIES OY4 citations69
US11115880B2Sep 7, 2021
Path switch method between LTE and 5G node
NOKIA TECHNOLOGIES OY0 citations62
US11057766B2Jul 6, 2021
Security management in disaggregated base station in communication system
NOKIA TECHNOLOGIES OY1 citations62
US12483908B2Nov 25, 2025
Improving service continuity
NOKIA TECHNOLOGIES OY0 citations52
US10355836B2Jul 16, 2019
Bearer setup in dual connectivity
NOKIA TECHNOLOGIES OY0 citations52
US11223991B2Jan 11, 2022
Connection establishment in inter-RAT communication system
NOKIA TECHNOLOGIES OY0 citations44
US10880705B2Dec 29, 2020
Multi-connectivity charging in heterogeneous networks
NOKIA TECHNOLOGIES OY0 citations42
DUTTA ASHUTOSH
6 patentsUS8098627B2Jan 17, 2012
P-CSCF fast handoff for IMS/MMS architecture
DUTTA ASHUTOSH14 citations82
US9025771B2May 5, 2015
Security optimization for IMS/MMD architecture
DUTTA ASHUTOSH5 citations70
US9094412B2Jul 28, 2015
Self organizing IP multimedia subsystem
DUTTA ASHUTOSH2 citations60
US8971291B2Mar 3, 2015
P-CSCF fast handoff for IMS/MMS architecture
DUTTA ASHUTOSH0 citations50
US8670407B2Mar 11, 2014
Proxy mobile IP
DUTTA ASHUTOSH1 citations48
US8565186B2Oct 22, 2013
Methods of mitigation of trombone routing in an IMS/MMD network
DUTTA ASHUTOSH0 citations41
RAKUTEN MOBILE INC
6 patentsUS11737043B2Aug 22, 2023
Satellite signal propagation delay variation compensation
RAKUTEN MOBILE INC3 citations72
US12262310B2Mar 25, 2025
Connection and notification for priority communication
RAKUTEN MOBILE INC1 citations63
US12408099B2Sep 2, 2025
Connection change restriction in overlapping area of terrestrial network and non-terrestrial network
RAKUTEN MOBILE INC0 citations62
US12342307B2Jun 24, 2025
Satellite signal propagation delay variation compensation
RAKUTEN MOBILE INC0 citations62
US12289664B2Apr 29, 2025
Paging control for terrestrial and non-terrestrial networks
RAKUTEN MOBILE INC0 citations62
US12593374B2Mar 31, 2026
Recording of priority communication related information
RAKUTEN MOBILE INC0 citations51