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IPR INFORMATION STATEMENT AND LICENSING DECLARATION

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Current state : Reflected

IPR information statement and licensing declaration
IPR information statement annex
IPR licensing declaration annex

IPR HOLDER / ORGANISATION
("Declarant")

Legal Name :

NTT, Inc.

REFERENCES
Reference :	ISLD-202511-011
external ID :

CONTACT DETAILS FOR LICENSING INFORMATION

Contact(s)


Contact 1
Name and Title:	Mr. Satoshi Nakamura
Position:
Department:	Intellectual Property Center
Address:
Telephone:	+81 422 59 7187
Fax:
Email:	n-satoshi.nakamura@ntt.com
URL:

IPR INFORMATION STATEMENT

The declarant and/or its affiliates

	are the proprietor of the IPR(s).
	are not the proprietor of the IPR(s).

IPR LICENSING DECLARATION

	are prepared to grant licences. undertaking subject to reciprocate conditions
	are not prepared to grant licences.

SIGNATURE

Authorized person :

Mr. Mamoru Hyodo

Title of authorized person :

Senior Vice President, Head of Intellectual Property Center

Place :

5-1 Otemachi 1-chome, Chiyoda-ku, Tokyo 100-8116, Japan

Date :

20/11/2025

ATTACHED DOCUMENTS

Title	Document type	Comment
InitDecla	Initial declaration form

Expand All Disclosures Collapse All Disclosures

Display All Family Members

DISCLOSURE NUMBER 1

ETSI Projects

None

Work Item or Standard

Work Item / Standard no.

Title

Version/Edition

Illustrative specific part of the Standard (e.g Section)

TS 103 859 (RTS/MSG-001142)

Publicly Available Specification (PAS); O-RAN Fronthaul Control, User and Synchronization Plane Specification v12.01; (O-RAN.WG4.CUS.0-R003-v12.01)

12.0.1

Patent Family

External ID :

Application Number

Publication Number

Title

Applicant/holder

Country of Registration

Basis Patent

US201615516118

US10230442 B2
US2018234152 A1

WIRELESS COMMUNICATION SYSTEM, CENTRAL UNIT EQUIPMENT, DISTRIBUTED UNIT EQUIPMENT, COMMUNICATION METHOD OF CENTRAL UNIT EQUIPMENT, AND COMMUNICATION METHOD OF DISTRIBUTED UNIT EQUIPMENT

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

US UNITED STATES

Other Members

CN20168003287

CN107493689 B

CN107493689 A

Wireless communication system, central station apparatus, distributed station apparatus, communication method of central station apparatus, and communication method of distributed station apparatus

NIPPON TELEGRAPH & TELEPHONE

CN CHINA

CN202110483059

CN113193886 B

CN113193886 A

Wireless communication system, central station device, distributed station device, communication method for central station device, and communication method for distributed station device

NIPPON TELEGRAPH & TELEPHONE

CN CHINA

EP20160854590

EP3444976 B1

EP3444976 A4

EP3444976 A1

WIRELESS COMMUNICATION SYSTEM, CENTRAL STATION APPARATUS, DISTRIBUTED STATION APPARATUS, COMMUNICATION METHOD OF CENTRAL STATION APPARATUS, AND COMMUNICATION METHOD OF DISTRIBUTED STATION APPARATUS

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

EP European Patent Office

EP20210165679

EP3859987 A1

WIRELESS COMMUNICATION SYSTEM, CENTRAL UNIT EQUIPMENT, DISTRIBUTED UNIT EQUIPMENT, COMMUNICATION METHOD OF CENTRAL UNIT EQUIPMENT, AND COMMUNICATION METHOD OF DISTRIBUTED UNIT EQUIPMENT

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

EP European Patent Office

EP20240150533

EP4325921 A3

EP4325921 A2

WIRELESS COMMUNICATION SYSTEM, CENTRAL UNIT EQUIPMENT, DISTRIBUTED UNIT EQUIPMENT, COMMUNICATION METHOD OF CENTRAL UNIT EQUIPMENT, AND COMMUNICATION METHOD OF DISTRIBUTED UNIT EQUIPMENT

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

EP European Patent Office

EP20240213609

EP4485989 A3

EP4485989 A2

WIRELESS COMMUNICATION SYSTEM, CENTRAL UNIT EQUIPMENT, DISTRIBUTED UNIT EQUIPMENT, COMMUNICATION METHOD OF CENTRAL UNIT EQUIPMENT, AND COMMUNICATION METHOD OF DISTRIBUTED UNIT EQUIPMENT

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

EP European Patent Office

WO2016JP61684

WO2017179093 A1

WIRELESS COMMUNICATION SYSTEM, CENTRAL STATION APPARATUS, DISTRIBUTED STATION APPARATUS, COMMUNICATION METHOD OF CENTRAL STATION APPARATUS, AND COMMUNICATION METHOD OF DISTRIBUTED STATION APPARATUS

NIPPON TELEGRAPH & TELEPHONE

WO Patent Cooperation Treaty

DISCLOSURE NUMBER 2

ETSI Projects

None

Work Item or Standard

Work Item / Standard no.

Title

Version/Edition

Illustrative specific part of the Standard (e.g Section)

TS 103 859 (RTS/MSG-001142)

Publicly Available Specification (PAS); O-RAN Fronthaul Control, User and Synchronization Plane Specification v12.01; (O-RAN.WG4.CUS.0-R003-v12.01)

12.0.1

Patent Family

External ID :

Application Number

Publication Number

Title

Applicant/holder

Country of Registration

Basis Patent

US201716085444

US10721724 B2
US2019069278 A1

WIRELESS COMMUNICATION SYSTEM AND COMMUNICATION METHOD

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

US UNITED STATES

Other Members

CN20178020969

CN108886834 B

CN108886834 A

WIRELESS COMMUNICATION SYSTEM AND COMMUNICATION METHOD

NIPPON TELEGRAPH & TELEPHONE

CN CHINA

EP20170779136

EP3425996 B1

EP3425996 A4

EP3425996 A1

WIRELESS COMMUNICATION SYSTEM AND COMMUNICATION METHOD

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

EP European Patent Office

JP20180510614

JP6483920 B2

JPWO2017175758 A1

Unknown Company (JP20180510614)

JP JAPAN

WO2017JP14075

WO2017175758 A1

WIRELESS COMMUNICATION SYSTEM AND COMMUNICATION METHOD

NIPPON TELEGRAPH & TELEPHONE

WO Patent Cooperation Treaty

DISCLOSURE NUMBER 3

ETSI Projects

None

Work Item or Standard

Work Item / Standard no.

Title

Version/Edition

Illustrative specific part of the Standard (e.g Section)

TS 103 859 (RTS/MSG-001142)

Publicly Available Specification (PAS); O-RAN Fronthaul Control, User and Synchronization Plane Specification v12.01; (O-RAN.WG4.CUS.0-R003-v12.01)

12.0.1

Patent Family

External ID :

Application Number

Publication Number

Title

Applicant/holder

Country of Registration

Basis Patent

US201716343994

US10659261 B2
US2019238372 A1

Radio Communication System And Radio Communication Method

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

US UNITED STATES

Other Members

CN20178069392

CN109906589 A

RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD

NIPPON TELEGRAPH & TELEPHONE

CN CHINA

EP20170869432

EP3515026 B1

EP3515026 A4

EP3515026 A1

RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD

Nippon Telegraph and Telephone Corporation
NIPPON TELEGRAPH & TELEPHONE

EP European Patent Office

JP20180550183

JP6571885 B2

JPWO2018088344 A1

Unknown Company (JP20180550183)

JP JAPAN

WO2017JP39881

WO2018088344 A1

RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD

NIPPON TELEGRAPH & TELEPHONE

WO Patent Cooperation Treaty

Optional written explanation of reasons for not making the IPR Licensing Declaration

The Declarant and/or its AFFILIATES are unwilling to grant irrevocable licences under the IPR(s) disclosed in the attached IPR Information Statement Annex on terms and conditions which are in accordance with Clause 6.1 of the ETSI IPR Policy.

The Declarant and/or its AFFILIATES are unable to grant irrevocable licences under the IPR(s) disclosed in the attached IPR Information Statement Annex on terms and conditions wich are in accordance with Clause 6.1 of the ETSI IPR Policy, because

the Declarant and/or its AFFILIATES are not the proprietor of the IPR(s) disclosed in the attached IPR Information Statement Annex,

the Declarant and/or its AFFILIATES do not have the ability to licence the IPR(s) disclosed in the attached IPR Information Statement Annex on terms and conditions which are in accordance with Clause 6.1 of the ETSI IPR Policy. In this case, please provide contact information of those who may have this ability:

Legal Name

contact

other reason (please specify):

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ISLD-202511-011 Declaration Submission

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ISLD-202511-011 Declaration Submission

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You can either print it, sign it and send it by physical mail to ETSI Secretariat premises, or you can send the file that you signed electronically with another e-signature tool by email to ipr@etsi.org.

Click ‘Yes’ if you agree.

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ISLD-202511-011 Declaration Submission

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In a few moments, you will be redirected to the e-sign page. An e-sign request notification will also be sent to your e-mail address () directly from Adobe Sign.

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ETSI IPR ONLINE DATABASE – REQUESTING FOR A USER ACCOUNT

A specific user account is required for making online IPR declaration to ETSI. Please click on the Sign Up link to request for such a user account. If you already have user account please click on Login.

ETSI IPR ONLINE DATABASE -- DISCLAIMER

IPR in ETSI deliverables

NO REPRESENTATIONS AND/OR WARRANTIES (WHETHER EXPRESS OR IMPLIED) ARE MADE BY THE ETSI SECRETARIAT REGARDING ANY OF THE INTELLECTUAL PROPERTY RIGHTS CONTAINED IN THE PRESENT IPR ONLINE DATABASE, INCLUDING BUT NOT LIMITED TO THE ACCURACY, COMPLETENESS, VALIDITY, APPLICABILITY OR RELEVANCE OF THE INFORMATION OR WHETHER OR NOT SUCH RIGHTS ARE ESSENTIAL AS PER THE DEFINITION OF THE ETSI IPR POLICY.

The bibliographic data of the declared patents are based on the information received from declarants and may also contain data imported only from the patent database "EspaceNet" of the European Patent Office*. FOR THE AVOIDANCE OF DOUBT, IN CASE OF DISCREPANCY AND/OR INCONSISTENCY BETWEEN THE CONTENT OF ANY ETSI IPR LICENSING DECLARATION FORM SIGNED BY THE DECLARANT**, AND OF THE ETSI IPR ONLINE DATABASE, THE SIGNED VERSION OF THE ETSI IPR LICENSING DECLARATION FORM SHALL PREVAIL.

PRIOR TO MAKING A PATENT LICENSING DECISION AND IMPLEMENTING ANY BASIS PATENT AND/OR MEMBER OF A PATENT FAMILY CONTAINED IN THE PRESENT IPR ONLINE DATABASE, POTENTIAL LICENSEES SHALL ALWAYS CONTACT THE DECLARANT.

* The ETSI patent family definition is different from the INPADOC definition (article 15.13 of ETSI IPR Policy).

** A scanned version of the ETSI IPR Licensing Declaration Form signed by the Declarant is available in the ETSI IPR Online Database under "InitDecl".

I have read the terms upon which the present information is made available.

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