Inventor · disambiguated record
Sadafuku Hayashi
Also filed as: HAYASHI SADAFUKU
156 granted patents·54 pending applications·195 citations·filing 2001–2025
99Inventor score
Top patents by PatentIndex Score
210 records- 0197US12160894B2RAN node, radio terminal, and methods thereforNEC CORP·Filed 2020·Granted Dec 3, 2024·3 cites·21 claims
- 0297US11576080B2Radio access network node, core network node, radio terminal, and methods thereforNEC CORP·Filed 2021·Granted Feb 7, 2023·3 cites·15 claims
- 0394US11979787B2Radio access network node, radio terminal, and method thereforNEC CORP·Filed 2023·Granted May 7, 2024·1 cites·16 claims
- 0493US11388560B2Radio terminal, radio station, and method thereforNEC CORP·Filed 2020·Granted Jul 12, 2022·2 cites·8 claims
- 0593US11109369B2Methods and apparatuses for configuring radio terminal with numerology of second RAT via first RATNEC CORP·Filed 2020·Granted Aug 31, 2021·2 cites·17 claims
- 0693US10721653B2Radio access network node, and method and non-transitory computer readable medium thereforNEC CORP·Filed 2019·Granted Jul 21, 2020·5 cites·2 claims
- 0792US12445952B2Communication system and methods that adapt RRC procedures to a 5G network implementing network slicingNEC CORP·Filed 2024·Granted Oct 14, 2025·1 cites·4 claims
- 0892US11764916B2Radio station system, radio terminal, and methods thereinNEC CORP·Filed 2022·Granted Sep 19, 2023·1 cites·20 claims
- 0991US11800420B2Radio access network node, radio terminal, and method thereforNEC CORP·Filed 2022·Granted Oct 24, 2023·1 cites·16 claims
- 1091US10638377B2Base station apparatus for dual connectivity and method thereofNEC CORP·Filed 2016·Granted Apr 28, 2020·6 cites·12 claims
- 1190US11606825B2Radio base station, edge server, and methods thereinNEC CORP·Filed 2020·Granted Mar 14, 2023·2 cites·9 claims
- 1290US11330492B2Radio access network node, radio terminal, and method thereforNEC CORP·Filed 2017·Granted May 10, 2022·4 cites·8 claims
- 1390US10873984B2Apparatus related to dual connectivityNEC CORP·Filed 2016·Granted Dec 22, 2020·5 cites·18 claims
- 1490US9872273B2Communication system, base station, host node, and communication methodNEC CORP·Filed 2016·Granted Jan 16, 2018·4 cites·3 claims
- 1589US11051233B2Base station, radio terminal, and methods and non-transitory computer-readable media thereforNEC CORP·Filed 2017·Granted Jun 29, 2021·4 cites·14 claims
- 1688US11343679B2Radio access network node, radio terminal, core network node, and method thereforNEC CORP·Filed 2021·Granted May 24, 2022·1 cites·16 claims
- 1788US11109286B2Radio terminal, base station, and methods and non-transitory computer-readable media thereforNEC CORP·Filed 2017·Granted Aug 31, 2021·4 cites·13 claims
- 1888US10194350B2Base station, wireless communication system, and communication methodNEC CORP·Filed 2015·Granted Jan 29, 2019·4 cites·14 claims
- 1988US9923622B2Communication systemJACTAT CAROLINE·Filed 2012·Granted Mar 20, 2018·10 cites·27 claims
- 2087US12356273B2Distributed unit, central unit, radio access network node, and method thereforNEC CORP·Filed 2024·Granted Jul 8, 2025·0 cites·6 claims
- 2187US11076317B2Radio access network node, core network node, radio terminal, and methods thereforNEC CORP·Filed 2018·Granted Jul 27, 2021·3 cites·20 claims
- 2287US2025294570A1Radio access network node, radio terminal, and methods and non-transitory computer-readable media thereforNEC CORP·Filed 2025·Application pending·0 cites
- 2386US12349161B2Radio access network node, radio terminal, and methods and non-transitory computer-readable media thereforNEC CORP·Filed 2023·Granted Jul 1, 2025·0 cites·6 claims
- 2486US12200748B2Radio terminal, radio access network node, and method thereforNEC CORP·Filed 2019·Granted Jan 14, 2025·3 cites·19 claims
- 2586US11689954B2First unit, second unit and methodNEC CORP·Filed 2021·Granted Jun 27, 2023·1 cites·18 claims
- 2686US11115849B2First unit, second unit and methodNEC CORP·Filed 2019·Granted Sep 7, 2021·3 cites·16 claims
- 2786US9451585B2Communication system, base station, host node, and communication methodNEC CORP·Filed 2013·Granted Sep 20, 2016·4 cites·19 claims
- 2886US8422456B2Mobile communication system, radio base station controller, and relocation methodHAYASHI SADAFUKU·Filed 2007·Granted Apr 16, 2013·9 cites·44 claims
- 2985US12335791B2Radio access network node, radio terminal, and method thereforNEC CORP·Filed 2024·Granted Jun 17, 2025·0 cites·9 claims
- 3085US12231966B2Radio access network node, radio terminal, and method thereforNEC CORP·Filed 2023·Granted Feb 18, 2025·0 cites·4 claims
- 3185US11356854B2Radio access network node, radio terminal, core network node, and method thereforNEC CORP·Filed 2017·Granted Jun 7, 2022·3 cites·16 claims
- 3284US2024056895A1Radio access network node, and method and non-transitory computer readable medium thereforNEC CORP·Filed 2023·Application pending·0 cites
- 3382US12160375B2Radio station system, radio terminal, and methods thereinNEC CORP·Filed 2023·Granted Dec 3, 2024·0 cites·17 claims
- 3482US12022330B2Distributed unit, central unit, and method for addition of activated or dormant secondary cellNEC CORP·Filed 2019·Granted Jun 25, 2024·2 cites·13 claims
- 3582US12022329B2Radio access network node, radio terminal, and method thereforNEC CORP·Filed 2023·Granted Jun 25, 2024·0 cites·16 claims
- 3682US11012896B2Base station and method thereofNEC CORP·Filed 2019·Granted May 18, 2021·2 cites·10 claims
- 3781US12302224B2Radio access network node, radio terminal, and methods and non transitory computer-readable media thereforNEC CORP·Filed 2023·Granted May 13, 2025·0 cites·14 claims
- 3881US11659517B2Managing connection states for communications devicesNEC CORP·Filed 2017·Granted May 23, 2023·2 cites·8 claims
- 3981US10863575B2Radio terminal, base station, and methods and non-transitory computer-readable media thereforNEC CORP·Filed 2017·Granted Dec 8, 2020·2 cites·17 claims
- 4081US9930551B2Radio communication system, radio station, network operation management apparatus, and network healing methodNEC CORP·Filed 2016·Granted Mar 27, 2018·3 cites·21 claims
- 4181US8983463B2Mobile communication system, location registration method, relay node and control method thereof, and storage medium of control programYOSHIMURA YOZO·Filed 2012·Granted Mar 17, 2015·10 cites·9 claims
- 4281US7961662B2Mobile communication system and MBMS service relevant information transfer method for use therewithNEC CORP·Filed 2005·Granted Jun 14, 2011·7 cites·32 claims
- 4380US12432619B2Methods and apparatuses for transmitting control-plane messages in cells using different radio access technologiesNEC CORP·Filed 2023·Granted Sep 30, 2025·0 cites·8 claims
- 4480US12294896B2Radio access network node, radio terminal, core network node, and method thereforNEC CORP·Filed 2023·Granted May 6, 2025·0 cites·16 claims
- 4580US12035333B2Distributed unit, radio terminal, and methods thereforNEC CORP·Filed 2019·Granted Jul 9, 2024·2 cites·17 claims
- 4680US12022429B2Managing connection states for communications devicesNEC CORP·Filed 2023·Granted Jun 25, 2024·0 cites·4 claims
- 4780US10506389B2Radio terminal, radio station, and method thereforNEC CORP·Filed 2016·Granted Dec 10, 2019·2 cites·17 claims
- 4880US9241247B2Mobile communication system, base station, gateway apparatus, core network apparatus, and communication methodUEDA YOSHIO·Filed 2010·Granted Jan 19, 2016·4 cites·22 claims
- 4979US12075276B2First unit, second unit and methodNEC CORP·Filed 2023·Granted Aug 27, 2024·0 cites·20 claims
- 5079US11937319B2Integrity protection handling at the gNB-CU-UPNEC CORP·Filed 2019·Granted Mar 19, 2024·2 cites·9 claims
Showing the top 50 of 210 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →