JP2019506779A - セルラー式モノのインターネットのためのステートレスアクセス層セキュリティ - Google Patents

セルラー式モノのインターネットのためのステートレスアクセス層セキュリティ Download PDF

Info

Publication number
JP2019506779A
JP2019506779A JP2018532084A JP2018532084A JP2019506779A JP 2019506779 A JP2019506779 A JP 2019506779A JP 2018532084 A JP2018532084 A JP 2018532084A JP 2018532084 A JP2018532084 A JP 2018532084A JP 2019506779 A JP2019506779 A JP 2019506779A
Authority
JP
Japan
Prior art keywords
key
gateway
processing circuit
integrity protection
ran node
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2018532084A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019506779A5 (enExample
Inventor
ス・ボム・イ
アナンド・パラニガウンダー
エイドリアン・エドワード・エスコット
Original Assignee
クアルコム,インコーポレイテッド
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by クアルコム,インコーポレイテッド filed Critical クアルコム,インコーポレイテッド
Publication of JP2019506779A publication Critical patent/JP2019506779A/ja
Publication of JP2019506779A5 publication Critical patent/JP2019506779A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/16—Implementing security features at a particular protocol layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
    • H04L63/205—Network architectures or network communication protocols for network security for managing network security; network security policies in general involving negotiation or determination of the one or more network security mechanisms to be used, e.g. by negotiation between the client and the server or between peers or by selection according to the capabilities of the entities involved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H04W12/041—Key generation or derivation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H04W12/043—Key management, e.g. using generic bootstrapping architecture [GBA] using a trusted network node as an anchor
    • H04W12/0433—Key management protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/10—Integrity
    • H04W12/106—Packet or message integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2151—Time stamp
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441—Countermeasures against malicious traffic
    • H04L63/1458—Denial of Service
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/18—Network protocols supporting networked applications, e.g. including control of end-device applications over a network

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2018532084A 2015-12-23 2016-12-14 セルラー式モノのインターネットのためのステートレスアクセス層セキュリティ Pending JP2019506779A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562387499P 2015-12-23 2015-12-23
US62/387,499 2015-12-23
US15/199,924 2016-06-30
US15/199,924 US10298549B2 (en) 2015-12-23 2016-06-30 Stateless access stratum security for cellular internet of things
PCT/US2016/066702 WO2017112491A2 (en) 2015-12-23 2016-12-14 Stateless access stratum security for cellular internet of things

Publications (2)

Publication Number Publication Date
JP2019506779A true JP2019506779A (ja) 2019-03-07
JP2019506779A5 JP2019506779A5 (enExample) 2019-12-26

Family

ID=59088526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018532084A Pending JP2019506779A (ja) 2015-12-23 2016-12-14 セルラー式モノのインターネットのためのステートレスアクセス層セキュリティ

Country Status (7)

Country Link
US (2) US10298549B2 (enExample)
EP (1) EP3395038B1 (enExample)
JP (1) JP2019506779A (enExample)
KR (1) KR102710873B1 (enExample)
CN (1) CN108432206B (enExample)
BR (1) BR112018012596A2 (enExample)
WO (1) WO2017112491A2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023509203A (ja) * 2020-01-09 2023-03-07 シグフォックス 送信器デバイスの暗号化識別子を含むメッセージを送受信する方法
WO2025234150A1 (ja) * 2024-05-10 2025-11-13 Kddi株式会社 通信装置、通信方法及びコンピュータプログラム

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102546956B1 (ko) * 2015-04-22 2023-06-26 인터디지탈 패튼 홀딩스, 인크 3gpp 네트워크들에서의 소량 데이터 사용 가능
US10298549B2 (en) * 2015-12-23 2019-05-21 Qualcomm Incorporated Stateless access stratum security for cellular internet of things
KR102222789B1 (ko) * 2015-12-28 2021-03-03 닛본 덴끼 가부시끼가이샤 무선 단말, 무선국, 코어 네트워크 노드, 및 그것들에서의 방법
WO2017172912A1 (en) * 2016-03-29 2017-10-05 Alcatel-Lucent Usa Inc. Method and apparatus for clot device data transfer
US10433286B2 (en) * 2016-07-14 2019-10-01 Nokia Of America Corporation Layer 2 relay to support coverage and resource-constrained devices in wireless networks
US10271270B2 (en) * 2016-07-21 2019-04-23 Global Business Software Development Technologies, Inc. Reducing fraudulent activity associated with mobile networks
CN107666667B (zh) * 2016-07-29 2019-09-17 电信科学技术研究院 一种数据传输方法、第一设备及第二设备
CN108347416B (zh) * 2017-01-24 2021-06-29 华为技术有限公司 一种安全保护协商方法及网元
EP3603145B1 (en) * 2017-03-30 2025-06-25 InterDigital Patent Holdings, Inc. Telecommunications apparatus and methods
EP3622736B1 (en) * 2017-05-08 2022-08-17 Telefonaktiebolaget LM Ericsson (Publ) Privacy key in a wireless communication system
US10841302B2 (en) * 2017-05-24 2020-11-17 Lg Electronics Inc. Method and apparatus for authenticating UE between heterogeneous networks in wireless communication system
DE102017008688A1 (de) * 2017-09-15 2019-03-21 Diehl Metering Systems Gmbh Verfahren zur Datenübertragung
CN109874127B (zh) * 2017-12-05 2022-05-17 中国电信股份有限公司 路由选择系统、方法、装置和计算机可读存储介质
CN109120409B (zh) * 2018-03-26 2021-05-28 泰山学院 一种用于物联网中安全通信的数字签名方法
WO2020060871A1 (en) * 2018-09-19 2020-03-26 Intel Corporation Protection of initial non-access stratum protocol message in 5g systems
CN113557699B (zh) * 2018-12-11 2024-04-12 索尼集团公司 通信装置、基础设施设备、核心网络设备和方法
CN111432404B (zh) * 2019-01-09 2022-11-18 中兴通讯股份有限公司 信息处理方法及装置
US11431493B1 (en) * 2019-01-10 2022-08-30 Meta Platforms, Inc. Systems and methods for secure authentication
EP3949669B1 (en) * 2019-04-02 2026-08-19 Nokia Technologies Oy Methods and apparatus for cellular internet of things (ciot) data transfer over a control plane in a wireless communication system
US20200323017A1 (en) * 2019-04-08 2020-10-08 Mediatek Singapore Pte. Ltd 5G NAS Recovery from NASC Failure
US11228911B2 (en) * 2019-04-25 2022-01-18 Qualcomm Incorporated Physical layer security management
CN115087971B (zh) * 2020-02-14 2026-07-14 瑞典爱立信有限公司 保护无线通信网络中的能力信息传输
US11824881B2 (en) 2020-04-15 2023-11-21 T-Mobile Usa, Inc. On-demand security layer for a 5G wireless network
US11444980B2 (en) 2020-04-15 2022-09-13 T-Mobile Usa, Inc. On-demand wireless device centric security for a 5G wireless network
US11799878B2 (en) 2020-04-15 2023-10-24 T-Mobile Usa, Inc. On-demand software-defined security service orchestration for a 5G wireless network
US11070982B1 (en) 2020-04-15 2021-07-20 T-Mobile Usa, Inc. Self-cleaning function for a network access node of a network
US11057774B1 (en) 2020-05-14 2021-07-06 T-Mobile Usa, Inc. Intelligent GNODEB cybersecurity protection system
US11206542B2 (en) 2020-05-14 2021-12-21 T-Mobile Usa, Inc. 5G cybersecurity protection system using personalized signatures
US11115824B1 (en) 2020-05-14 2021-09-07 T-Mobile Usa, Inc. 5G cybersecurity protection system
CN113572801B (zh) * 2020-09-30 2022-08-12 中兴通讯股份有限公司 会话建立方法、装置、接入网设备及存储介质
CN112511549B (zh) * 2020-12-03 2023-03-31 珠海格力电器股份有限公司 一种数据传输方法、装置、设备和计算机可读存储介质
CN114143773A (zh) * 2021-11-23 2022-03-04 国网四川省电力公司南充供电公司 一种将终端接入apn专网的信息传输转发装置及方法
US12568361B2 (en) * 2022-02-09 2026-03-03 Telefonaktiebolaget Lm Ericsson (Publ) User equipment, network node and methods in a wireless communications network
CN117812584A (zh) * 2022-09-30 2024-04-02 华为技术有限公司 一种通信的方法和装置
GB2632465B (en) * 2023-08-10 2026-04-08 Nokia Technologies Oy Key generation for combined integrity and encryption algorithms
WO2025208534A1 (zh) * 2024-04-03 2025-10-09 北京小米移动软件有限公司 信息处理方法、通信设备及存储介质

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010529755A (ja) * 2007-05-31 2010-08-26 クゥアルコム・インコーポレイテッド 無線通信ネットワークにおけるプロキシモバイルキー階層構造を提供するための方法および装置
JP2010539786A (ja) * 2007-09-17 2010-12-16 テレフオンアクチーボラゲット エル エム エリクソン(パブル) 電気通信システムにおける方法および構成
JP2013524619A (ja) * 2010-04-02 2013-06-17 サムスン エレクトロニクス カンパニー リミテッド ブロードキャストサービスの暗号化キー管理方法及びシステム
WO2013173988A1 (en) * 2012-05-23 2013-11-28 Nokia Corporation A key derivation method and apparatus for local access under control of a cellular network
WO2014087643A1 (en) * 2012-12-06 2014-06-12 Nec Corporation Mtc key management for sending key from network to ue
JP2015517758A (ja) * 2012-05-10 2015-06-22 サムスン エレクトロニクス カンパニー リミテッド データパケットのアップリンク及びダウンリンクの間のコネクションレス型送信のための方法及びシステム
WO2015166099A1 (en) * 2014-05-02 2015-11-05 Koninklijke Kpn N.V. Method and system for providing security from a radio access network

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2183697A4 (en) * 2007-06-18 2014-12-03 Ericsson Telefon Ab L M SECURITY FOR SOFTWARE-DEFINED WIRELESS DEVICES
CN102625302B (zh) 2008-06-23 2016-03-30 华为技术有限公司 密钥衍生方法、设备及系统
CN101656956B (zh) * 2008-08-22 2012-05-23 华为技术有限公司 一种接入3gpp网络的方法、系统和网关
TWI410105B (zh) * 2008-12-01 2013-09-21 Inst Information Industry 無線網路架構之行動台、存取台、閘道裝置、基地台及其握手方法
CN102056159B (zh) * 2009-11-03 2014-04-02 华为技术有限公司 一种中继系统的安全密钥获取方法、装置
CN102143491B (zh) 2010-01-29 2013-10-09 华为技术有限公司 对mtc设备的认证方法、mtc网关及相关设备
US8850554B2 (en) 2010-02-17 2014-09-30 Nokia Corporation Method and apparatus for providing an authentication context-based session
US20110312299A1 (en) * 2010-06-18 2011-12-22 Qualcomm Incorporated Methods and apparatuses facilitating synchronization of security configurations
CN101945387B (zh) * 2010-09-17 2015-10-21 中兴通讯股份有限公司 一种接入层密钥与设备的绑定方法和系统
KR20120067459A (ko) 2010-12-16 2012-06-26 삼성전자주식회사 서비스 제공업체와 이동망 사업자간의 기기간 단말별 서비스 인증 방법 및 장치
EP2910044B1 (en) * 2012-10-19 2020-12-09 Nokia Technologies Oy Method and device of generating a key for device-to-device communication between a first user equipment and a second user equipment
CN104838679A (zh) * 2012-12-06 2015-08-12 日本电气株式会社 用于mtc的组认证和密钥管理
ES2765892T3 (es) * 2013-06-26 2020-06-11 Nokia Technologies Oy Métodos y aparatos para generar claves en las comunicaciones de dispositivo a dispositivo
EP3331216A1 (en) * 2013-07-31 2018-06-06 NEC Corporation Devices and method for mtc group key management
JP6337965B2 (ja) * 2013-12-24 2018-06-06 日本電気株式会社 Sceのための装置、システム、及び方法
WO2016200357A1 (en) * 2015-06-11 2016-12-15 Intel IP Corporation Cellular iot network architecture
US10298549B2 (en) * 2015-12-23 2019-05-21 Qualcomm Incorporated Stateless access stratum security for cellular internet of things

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010529755A (ja) * 2007-05-31 2010-08-26 クゥアルコム・インコーポレイテッド 無線通信ネットワークにおけるプロキシモバイルキー階層構造を提供するための方法および装置
JP2010539786A (ja) * 2007-09-17 2010-12-16 テレフオンアクチーボラゲット エル エム エリクソン(パブル) 電気通信システムにおける方法および構成
JP2013524619A (ja) * 2010-04-02 2013-06-17 サムスン エレクトロニクス カンパニー リミテッド ブロードキャストサービスの暗号化キー管理方法及びシステム
JP2015517758A (ja) * 2012-05-10 2015-06-22 サムスン エレクトロニクス カンパニー リミテッド データパケットのアップリンク及びダウンリンクの間のコネクションレス型送信のための方法及びシステム
WO2013173988A1 (en) * 2012-05-23 2013-11-28 Nokia Corporation A key derivation method and apparatus for local access under control of a cellular network
WO2014087643A1 (en) * 2012-12-06 2014-06-12 Nec Corporation Mtc key management for sending key from network to ue
WO2015166099A1 (en) * 2014-05-02 2015-11-05 Koninklijke Kpn N.V. Method and system for providing security from a radio access network

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023509203A (ja) * 2020-01-09 2023-03-07 シグフォックス 送信器デバイスの暗号化識別子を含むメッセージを送受信する方法
JP7657231B2 (ja) 2020-01-09 2025-04-04 ウナビズ 送信器デバイスの暗号化識別子を含むメッセージを送受信する方法
WO2025234150A1 (ja) * 2024-05-10 2025-11-13 Kddi株式会社 通信装置、通信方法及びコンピュータプログラム

Also Published As

Publication number Publication date
CN108432206A (zh) 2018-08-21
EP3395038A2 (en) 2018-10-31
BR112018012596A2 (pt) 2018-12-04
WO2017112491A2 (en) 2017-06-29
EP3395038B1 (en) 2022-03-30
WO2017112491A3 (en) 2017-08-03
KR20180098251A (ko) 2018-09-03
US10298549B2 (en) 2019-05-21
US10637835B2 (en) 2020-04-28
US20190260717A1 (en) 2019-08-22
KR102710873B1 (ko) 2024-09-26
US20170187691A1 (en) 2017-06-29
CN108432206B (zh) 2021-04-27

Similar Documents

Publication Publication Date Title
US10637835B2 (en) Stateless access stratum security for Cellular Internet of Things
TWI733675B (zh) 具有加密的客戶端設備上下文的網路架構和安全
US11716615B2 (en) Network architecture and security with simplified mobility procedure
CN113329006B (zh) 用于蜂窝物联网的网络安全架构
US20220007182A1 (en) Protection of Initial Non-Access Stratum Protocol Message in 5G Systems
US10321309B2 (en) Apparatuses and methods for wireless communication

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191118

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191118

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20201209

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210208

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210430

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20211004