Sadafuku Hayashi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Distributed unit, central unit, radio access network node, and meth...
- Patent number 12,356,273
- Issue date Jul 8, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, radio terminal, and methods and non-tran...
- Patent number 12,349,161
- Issue date Jul 1, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, radio terminal, and method therefor
- Patent number 12,335,791
- Issue date Jun 17, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, radio terminal, and methods and non tran...
- Patent number 12,302,224
- Issue date May 13, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, radio terminal, core network node, and m...
- Patent number 12,294,896
- Issue date May 6, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, a user equipment, and a radio station for optimizing user e...
- Patent number 12,250,626
- Issue date Mar 11, 2025
- NEC Corporation
- Venkatarao Gonuguntla
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ran node, radio terminal, and methods therefor
- Patent number 12,245,315
- Issue date Mar 4, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, radio terminal, and method therefor
- Patent number 12,231,966
- Issue date Feb 18, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio terminal, radio access network node, and method therefor
- Patent number 12,200,748
- Issue date Jan 14, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, user equipment, and methods thereof
- Patent number 12,193,091
- Issue date Jan 7, 2025
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
User equipment, method of user equipment, network node, and method...
- Patent number 12,192,960
- Issue date Jan 7, 2025
- NEC Corporation
- Venkatarao Gonuguntla
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Master node, secondary node, and methods therefor
- Patent number 12,167,259
- Issue date Dec 10, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
RAN node, radio terminal, and methods therefor
- Patent number 12,160,894
- Issue date Dec 3, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio station system, radio terminal, and methods therein
- Patent number 12,160,375
- Issue date Dec 3, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 12,149,939
- Issue date Nov 19, 2024
- NEC Corporation
- Priya Darshini
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 12,127,256
- Issue date Oct 22, 2024
- NEC Corporation
- Chadi Khirallah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio terminal, base station, and methods and non-transitory comput...
- Patent number 12,120,767
- Issue date Oct 15, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed unit, central unit, radio access network node, and meth...
- Patent number 12,089,109
- Issue date Sep 10, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
First unit, second unit and method
- Patent number 12,075,276
- Issue date Aug 27, 2024
- NEC Corporation
- Toshihiro Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatuses for configuring radio terminal with numerol...
- Patent number 12,075,428
- Issue date Aug 27, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, radio terminal, and method therefor
- Patent number 12,069,521
- Issue date Aug 20, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus, terminal apparatus, method, program, and r...
- Patent number 12,058,544
- Issue date Aug 6, 2024
- NEC Corporation
- Toshihiro Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed unit, radio terminal, and methods therefor
- Patent number 12,035,333
- Issue date Jul 9, 2024
- NEC Corporation
- Sadafuku Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed unit, central unit, and method for addition of activate...
- Patent number 12,022,330
- Issue date Jun 25, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Managing connection states for communications devices
- Patent number 12,022,429
- Issue date Jun 25, 2024
- NEC Corporation
- Sivapathalingham Sivavakeesar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, radio terminal, and method therefor
- Patent number 12,022,329
- Issue date Jun 25, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio access network node, radio terminal, and method therefor
- Patent number 11,979,787
- Issue date May 7, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio terminal, radio station, core network node, and method therein
- Patent number 11,943,819
- Issue date Mar 26, 2024
- NEC Corporation
- Hisashi Futaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 11,943,789
- Issue date Mar 26, 2024
- NEC Corporation
- Caroline Jactat
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrity protection handling at the gNB-CU-UP
- Patent number 11,937,319
- Issue date Mar 19, 2024
- NEC Corporation
- Yuhua Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CENTRAL UNIT CONTROL PLANE APPARATUS, CENTRAL UNIT USER PLANE APPAR...
- Publication number 20250212286
- Publication date Jun 26, 2025
- NEC Corporation
- Daiki MIHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAN NODE AND METHOD
- Publication number 20250184822
- Publication date Jun 5, 2025
- NEC Corporation
- Stanislav Filin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAN NODE AND METHOD
- Publication number 20250175856
- Publication date May 29, 2025
- NEC Corporation
- Stanislav Filin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO TERMINAL, RADIO ACCESS NETWORK NODE, AND METHOD THEREFOR
- Publication number 20250089082
- Publication date Mar 13, 2025
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, USER EQUIPMENT, AND METHODS THEREFOR
- Publication number 20250071665
- Publication date Feb 27, 2025
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MASTER NODE, SECONDARY NODE, AND METHODS THEREFOR
- Publication number 20250048143
- Publication date Feb 6, 2025
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
USER EQUIPMENT, RADIO ACCESS NETWORK NODE, AND METHODS THEREFOR
- Publication number 20250048222
- Publication date Feb 6, 2025
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAN NODE, RADIO TERMINAL, AND METHODS THEREFOR
- Publication number 20250048444
- Publication date Feb 6, 2025
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, USER EQUIPMENT, AND METHODS THEREFOR
- Publication number 20250039761
- Publication date Jan 30, 2025
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTRIBUTED UNIT, CENTRAL UNIT, RADIO ACCESS NETWORK NODE, AND METH...
- Publication number 20250024342
- Publication date Jan 16, 2025
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE AND METHOD THEREFOR
- Publication number 20250015943
- Publication date Jan 9, 2025
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO TERMINAL, RADIO ACCESS NETWORK NODE, AND METHODS THEREFOR
- Publication number 20240414565
- Publication date Dec 12, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, USER EQUIPMENT, AND METHODS THEREFOR
- Publication number 20240388965
- Publication date Nov 21, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHOD THEREFOR
- Publication number 20240349134
- Publication date Oct 17, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND METHODS THAT ADAPT RRC PROCEDURES TO A 5G...
- Publication number 20240306086
- Publication date Sep 12, 2024
- NEC Corporation
- Sivapathalingham SIVAVAKEESAR
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO TERMINAL AND METHOD THEREFOR
- Publication number 20240298379
- Publication date Sep 5, 2024
- NEC CORPORATION
- Satoaki Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHOD THEREFOR
- Publication number 20240292282
- Publication date Aug 29, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTRIBUTED UNIT, CENTRAL UNIT, AND METHOD FOR ADDITION OF ACTIVATE...
- Publication number 20240292283
- Publication date Aug 29, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE AND METHOD THEREFOR
- Publication number 20240244493
- Publication date Jul 18, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND METHODS THAT ADAPT RRC PROCEDURES TO A 5G...
- Publication number 20240214918
- Publication date Jun 27, 2024
- NEC Corporation
- Sivapathalingham SIVAVAKEESAR
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
A METHOD, A USER EQUIPMENT, A NETWORK NODE AND A COMPUTER-READABLE...
- Publication number 20240206002
- Publication date Jun 20, 2024
- NEC Corporation
- Chadi KHIRALLAH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, USER EQUIPMENT, NETWORK NODE, AND CORE NETWORK NODE FOR MOB...
- Publication number 20240196297
- Publication date Jun 13, 2024
- NEC Corportion
- Chadi KHIRALLAH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAN NODE, UE, AND METHOD
- Publication number 20240163741
- Publication date May 16, 2024
- NEC Corporation
- Stanislav Filin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTRIBUTED UNIT, CENTRAL UNIT, AND METHOD THEREFOR
- Publication number 20240155727
- Publication date May 9, 2024
- NEC Corporation
- Sadafuku HAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHOD THEREFOR
- Publication number 20240129824
- Publication date Apr 18, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR MAINTAINING SYNCHRONIZATION ACCURACY IN NR IIOT AND USER...
- Publication number 20240063933
- Publication date Feb 22, 2024
- NEC Corporation
- Venkatarao Gonuguntla
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, AND METHOD AND NON-TRANSITORY COMPUTER R...
- Publication number 20240056895
- Publication date Feb 15, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHODS AND NON TRAN...
- Publication number 20240023006
- Publication date Jan 18, 2024
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHOD THEREFOR
- Publication number 20230370906
- Publication date Nov 16, 2023
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO ACCESS NETWORK NODE, RADIO TERMINAL, CORE NETWORK NODE, AND M...
- Publication number 20230370928
- Publication date Nov 16, 2023
- NEC Corporation
- Hisashi FUTAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Sadafuku Hayashi

Person

Patents Grantslast 30 patents

Distributed unit, central unit, radio access network node, and meth...

Radio access network node, radio terminal, and methods and non-tran...

Radio access network node, radio terminal, and method therefor

Radio access network node, radio terminal, and methods and non tran...

Radio access network node, radio terminal, core network node, and m...

Method, a user equipment, and a radio station for optimizing user e...

Ran node, radio terminal, and methods therefor

Radio access network node, radio terminal, and method therefor

Radio terminal, radio access network node, and method therefor

Radio access network node, user equipment, and methods thereof

User equipment, method of user equipment, network node, and method...

Master node, secondary node, and methods therefor

RAN node, radio terminal, and methods therefor

Radio station system, radio terminal, and methods therein

Communication system

Communication system

Radio terminal, base station, and methods and non-transitory comput...

Distributed unit, central unit, radio access network node, and meth...

First unit, second unit and method

Methods and apparatuses for configuring radio terminal with numerol...

Radio access network node, radio terminal, and method therefor

Communication apparatus, terminal apparatus, method, program, and r...

Distributed unit, radio terminal, and methods therefor

Distributed unit, central unit, and method for addition of activate...

Managing connection states for communications devices

Radio access network node, radio terminal, and method therefor

Radio access network node, radio terminal, and method therefor

Radio terminal, radio station, core network node, and method therein

Communication system

Integrity protection handling at the gNB-CU-UP

Patents Applicationslast 30 patents

CENTRAL UNIT CONTROL PLANE APPARATUS, CENTRAL UNIT USER PLANE APPAR...

RAN NODE AND METHOD

RAN NODE AND METHOD

RADIO TERMINAL, RADIO ACCESS NETWORK NODE, AND METHOD THEREFOR

RADIO ACCESS NETWORK NODE, USER EQUIPMENT, AND METHODS THEREFOR

MASTER NODE, SECONDARY NODE, AND METHODS THEREFOR

USER EQUIPMENT, RADIO ACCESS NETWORK NODE, AND METHODS THEREFOR

RAN NODE, RADIO TERMINAL, AND METHODS THEREFOR

RADIO ACCESS NETWORK NODE, USER EQUIPMENT, AND METHODS THEREFOR

DISTRIBUTED UNIT, CENTRAL UNIT, RADIO ACCESS NETWORK NODE, AND METH...

RADIO ACCESS NETWORK NODE AND METHOD THEREFOR

RADIO TERMINAL, RADIO ACCESS NETWORK NODE, AND METHODS THEREFOR

RADIO ACCESS NETWORK NODE, USER EQUIPMENT, AND METHODS THEREFOR

RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHOD THEREFOR

COMMUNICATION SYSTEM AND METHODS THAT ADAPT RRC PROCEDURES TO A 5G...

RADIO TERMINAL AND METHOD THEREFOR

RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHOD THEREFOR

DISTRIBUTED UNIT, CENTRAL UNIT, AND METHOD FOR ADDITION OF ACTIVATE...

RADIO ACCESS NETWORK NODE AND METHOD THEREFOR

COMMUNICATION SYSTEM AND METHODS THAT ADAPT RRC PROCEDURES TO A 5G...

A METHOD, A USER EQUIPMENT, A NETWORK NODE AND A COMPUTER-READABLE...

METHOD, USER EQUIPMENT, NETWORK NODE, AND CORE NETWORK NODE FOR MOB...

RAN NODE, UE, AND METHOD

DISTRIBUTED UNIT, CENTRAL UNIT, AND METHOD THEREFOR

RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHOD THEREFOR

METHOD FOR MAINTAINING SYNCHRONIZATION ACCURACY IN NR IIOT AND USER...

RADIO ACCESS NETWORK NODE, AND METHOD AND NON-TRANSITORY COMPUTER R...

RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHODS AND NON TRAN...

RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHOD THEREFOR

RADIO ACCESS NETWORK NODE, RADIO TERMINAL, CORE NETWORK NODE, AND M...