KR20160037907A - Mtc 그룹 키 관리를 위한 디바이스들 및 방법 - Google Patents
Mtc 그룹 키 관리를 위한 디바이스들 및 방법 Download PDFInfo
- Publication number
- KR20160037907A KR20160037907A KR1020167002010A KR20167002010A KR20160037907A KR 20160037907 A KR20160037907 A KR 20160037907A KR 1020167002010 A KR1020167002010 A KR 1020167002010A KR 20167002010 A KR20167002010 A KR 20167002010A KR 20160037907 A KR20160037907 A KR 20160037907A
- Authority
- KR
- South Korea
- Prior art keywords
- key
- mtc
- group
- gateway
- iwf
- 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.)
- Withdrawn
Links
Images
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
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/065—Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications
-
- 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]
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/50—Secure pairing of devices
-
- H04W4/005—
-
- 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
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/061—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying further key derivation, e.g. deriving traffic keys from a pair-wise master key
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/062—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying encryption of the keys
-
- 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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013158881 | 2013-07-31 | ||
| JPJP-P-2013-158881 | 2013-07-31 | ||
| PCT/JP2014/003579 WO2015015714A1 (en) | 2013-07-31 | 2014-07-07 | Devices and method for mtc group key management |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020197012302A Division KR20190047143A (ko) | 2013-07-31 | 2014-07-07 | Mtc 그룹 키 관리를 위한 디바이스들 및 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20160037907A true KR20160037907A (ko) | 2016-04-06 |
Family
ID=51298915
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020167002010A Withdrawn KR20160037907A (ko) | 2013-07-31 | 2014-07-07 | Mtc 그룹 키 관리를 위한 디바이스들 및 방법 |
| KR1020197012302A Ceased KR20190047143A (ko) | 2013-07-31 | 2014-07-07 | Mtc 그룹 키 관리를 위한 디바이스들 및 방법 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020197012302A Ceased KR20190047143A (ko) | 2013-07-31 | 2014-07-07 | Mtc 그룹 키 관리를 위한 디바이스들 및 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11570161B2 (https=) |
| EP (2) | EP3331216A1 (https=) |
| JP (4) | JP2016527736A (https=) |
| KR (2) | KR20160037907A (https=) |
| CN (1) | CN105432058A (https=) |
| WO (1) | WO2015015714A1 (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11570161B2 (en) * | 2013-07-31 | 2023-01-31 | Nec Corporation | Devices and method for MTC group key management |
| US10455414B2 (en) * | 2014-10-29 | 2019-10-22 | Qualcomm Incorporated | User-plane security for next generation cellular networks |
| US10298549B2 (en) * | 2015-12-23 | 2019-05-21 | Qualcomm Incorporated | Stateless access stratum security for cellular internet of things |
| US10887295B2 (en) * | 2016-10-26 | 2021-01-05 | Futurewei Technologies, Inc. | System and method for massive IoT group authentication |
| US11010485B1 (en) * | 2017-03-02 | 2021-05-18 | Apple Inc. | Cloud messaging system |
| CN110234112B (zh) * | 2018-03-05 | 2020-12-04 | 华为技术有限公司 | 消息处理方法、系统及用户面功能设备 |
| US10839060B1 (en) * | 2019-08-27 | 2020-11-17 | Capital One Services, Llc | Techniques for multi-voice speech recognition commands |
| US12464337B2 (en) * | 2019-10-11 | 2025-11-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatuses and methods for registering a group of user equipment |
| CN112702734B (zh) * | 2019-10-23 | 2023-04-28 | 中移物联网有限公司 | 一种密钥分发系统及方法 |
| WO2022032525A1 (zh) * | 2020-08-12 | 2022-02-17 | 华为技术有限公司 | 一种组密钥分发方法及装置 |
| JP7834722B2 (ja) * | 2020-08-28 | 2026-03-24 | 華為技術有限公司 | 通信方法および関係する装置 |
Family Cites Families (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4531020A (en) * | 1982-07-23 | 1985-07-23 | Oak Industries Inc. | Multi-layer encryption system for the broadcast of encrypted information |
| JP3620138B2 (ja) | 1996-02-05 | 2005-02-16 | 松下電器産業株式会社 | 鍵共有システム |
| US6049878A (en) * | 1998-01-20 | 2000-04-11 | Sun Microsystems, Inc. | Efficient, secure multicasting with global knowledge |
| US6584566B1 (en) * | 1998-08-27 | 2003-06-24 | Nortel Networks Limited | Distributed group key management for multicast security |
| US7403980B2 (en) * | 2000-11-08 | 2008-07-22 | Sri International | Methods and apparatus for scalable, distributed management of virtual private networks |
| US7082200B2 (en) * | 2001-09-06 | 2006-07-25 | Microsoft Corporation | Establishing secure peer networking in trust webs on open networks using shared secret device key |
| JP2004023237A (ja) | 2002-06-13 | 2004-01-22 | Mitsubishi Electric Corp | 暗号通信システム、暗号通信方法およびその方法をコンピュータに実行させるプログラム |
| EP1574964A1 (en) * | 2002-12-20 | 2005-09-14 | Matsushita Electric Industrial Co., Ltd. | Information management system |
| DE60322929D1 (de) * | 2003-12-23 | 2008-09-25 | Motorola Inc | Schlüsselaktualisierung in sicherer Multicastkommunikation |
| GB2419067A (en) * | 2004-10-06 | 2006-04-12 | Sharp Kk | Deciding whether to permit a transaction, based on the value of an identifier sent over a communications channel and returned over a secure connection |
| US7949135B2 (en) | 2004-11-16 | 2011-05-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Key distribution in systems for selective access to information |
| US7827262B2 (en) * | 2005-07-14 | 2010-11-02 | Cisco Technology, Inc. | Approach for managing state information by a group of servers that services a group of clients |
| KR100735221B1 (ko) * | 2005-08-12 | 2007-07-03 | 삼성전자주식회사 | 컨텐츠를 다수의 단말기에서 재생할 수 있도록 하는 컨텐츠재생 방법 및 이를 이용한 시스템과 단말 장치 |
| EP1860819B1 (de) * | 2006-05-23 | 2013-09-11 | Nokia Siemens Networks GmbH & Co. KG | Verfahren und Vorrichtung zum dynamischen Aufbau und zur Steuerung von kurzzeitig gebildeten Kommunikationsgruppen mit gesicherter Übertragung |
| US20080253562A1 (en) | 2007-04-12 | 2008-10-16 | Nokia Corporation | Handshake procedure |
| DE202008018538U1 (de) * | 2007-09-17 | 2015-06-30 | Telefonaktiebolaget L M Ericsson (Publ) | Anordnung in einem Telekommunikationssystem |
| CN101511082B (zh) | 2008-02-15 | 2011-01-05 | 中国移动通信集团公司 | 组密钥的更新方法、设备及系统 |
| US8792646B2 (en) * | 2008-03-25 | 2014-07-29 | Qualcomm Incorporated | Systems and methods for group key distribution and management for wireless communications systems |
| CN102187599B (zh) * | 2008-08-15 | 2015-04-01 | 三星电子株式会社 | 在移动通信系统中安全保护的非接入层面协议操作支持方法 |
| JP2010124238A (ja) | 2008-11-19 | 2010-06-03 | Ricoh Co Ltd | 画像形成装置、送信先決定方法、及びプログラム |
| KR101383690B1 (ko) * | 2008-12-10 | 2014-04-09 | 한국전자통신연구원 | 안전한 멀티캐스트 통신을 위한 그룹키 관리방법 |
| WO2010113528A1 (en) * | 2009-04-03 | 2010-10-07 | Panasonic Corporation | Mobile communication method, mobile communication system, and corresponding apparatus |
| US9031876B2 (en) * | 2009-06-19 | 2015-05-12 | Hewlett-Packard Development Company, L.P. | Managing keys for encrypted shared documents |
| CN102025685B (zh) * | 2009-09-21 | 2013-09-11 | 华为技术有限公司 | 认证处理方法及装置 |
| CN102804882B (zh) * | 2009-12-22 | 2015-12-16 | 交互数字专利控股公司 | 基于组的机器到机器通信 |
| US8848921B2 (en) * | 2009-12-24 | 2014-09-30 | South China University Of Technology | Group key management approach based on linear geometry |
| 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 |
| US20110201365A1 (en) * | 2010-02-15 | 2011-08-18 | Telefonaktiebolaget L M Ericsson (Publ) | M2m group based addressing using cell broadcast service |
| CN102215474B (zh) * | 2010-04-12 | 2014-11-05 | 华为技术有限公司 | 对通信设备进行认证的方法和装置 |
| WO2011129098A1 (ja) * | 2010-04-14 | 2011-10-20 | パナソニック株式会社 | 通信ノード及びネットワークノード |
| US9042221B2 (en) * | 2010-04-28 | 2015-05-26 | Lg Electronics Inc. | Method of controlling congestion of MTC data in a mobile communication system |
| CN102238477B (zh) * | 2010-04-30 | 2014-02-19 | 华为终端有限公司 | 触发一组mtc设备与mtc服务器通信的方法及mtc设备 |
| US9729314B2 (en) * | 2010-06-01 | 2017-08-08 | Samsung Electronics Co., Ltd. | Method and system of securing group communication in a machine-to-machine communication environment |
| US9450928B2 (en) * | 2010-06-10 | 2016-09-20 | Gemalto Sa | Secure registration of group of clients using single registration procedure |
| US9113322B2 (en) * | 2010-07-27 | 2015-08-18 | Telefonaktiebolaget L M Ericsson (Publ) | Machine-type communication subscription control |
| US20120033613A1 (en) * | 2010-08-04 | 2012-02-09 | National Taiwan University | Enhanced rach design for machine-type communications |
| KR101589352B1 (ko) * | 2010-08-05 | 2016-01-27 | 닛본 덴끼 가부시끼가이샤 | 통신 장치, 통신 시스템, 통신 방법 및 통신 프로그램을 저장하는 컴퓨터 판독 가능 저장 매체 |
| WO2012023337A1 (en) * | 2010-08-17 | 2012-02-23 | Nec Corporation | Method for group change issues in mtc |
| EP2617210A1 (en) * | 2010-09-17 | 2013-07-24 | Nokia Siemens Networks Oy | Method for context establishment in telecommunication networks |
| CN102457844B (zh) * | 2010-10-28 | 2016-03-30 | 中兴通讯股份有限公司 | 一种m2m组认证中组密钥管理方法及系统 |
| US9253178B2 (en) * | 2011-01-17 | 2016-02-02 | Telefonaktiebolaget L M Ericsson | Method and apparatus for authenticating a communication device |
| CN102594555B (zh) | 2011-01-17 | 2015-04-29 | 华为技术有限公司 | 数据的安全保护方法、网络侧实体和通信终端 |
| US20120296968A1 (en) * | 2011-02-03 | 2012-11-22 | Telcordia Technologies, Inc. | System and Method for Group Communications in 3GPP Machine-to-Machine Networks |
| JP5865992B2 (ja) * | 2011-03-23 | 2016-02-17 | インターデイジタル パテント ホールディングス インコーポレイテッド | ネットワーク通信をセキュアにするためのシステムおよび方法 |
| JP2012205088A (ja) | 2011-03-25 | 2012-10-22 | Toshiba Corp | ノード及びグループ鍵更新方法 |
| US20120252481A1 (en) * | 2011-04-01 | 2012-10-04 | Cisco Technology, Inc. | Machine to machine communication in a communication network |
| US9113355B2 (en) * | 2011-04-07 | 2015-08-18 | Htc Corporation | Method of handling signaling and data transmission for machine-type communication |
| US8837738B2 (en) * | 2011-04-08 | 2014-09-16 | Arizona Board Of Regents On Behalf Of Arizona State University | Methods, systems, and apparatuses for optimal group key management for secure multicast communication |
| CN103688563A (zh) * | 2011-05-26 | 2014-03-26 | 诺基亚公司 | 执行组认证和密钥协商过程 |
| KR101860440B1 (ko) * | 2011-07-01 | 2018-05-24 | 삼성전자주식회사 | 기기 간 통신 시스템에서 멀티캐스트 데이터 암호화 키 관리 방법, 장치 그리고 시스템 |
| US9432844B2 (en) | 2011-07-11 | 2016-08-30 | Lg Electronics Inc. | Traffic encryption key management for machine to machine multicast group |
| TWI459777B (zh) * | 2011-07-11 | 2014-11-01 | Mediatek Inc | 加強型傳呼的方法及其機器類型通訊裝置 |
| CN102958025B (zh) * | 2011-08-24 | 2018-01-16 | 中兴通讯股份有限公司 | 发送mtc设备触发信息的方法、系统和目标用户设备 |
| JP5750728B2 (ja) | 2011-10-19 | 2015-07-22 | 国立研究開発法人産業技術総合研究所 | 鍵共有システム、鍵生成装置、及びプログラム |
| CN103096309B (zh) * | 2011-11-01 | 2016-08-10 | 华为技术有限公司 | 生成组密钥的方法和相关设备 |
| CN103096308B (zh) * | 2011-11-01 | 2016-01-20 | 华为技术有限公司 | 生成组密钥的方法和相关设备 |
| GB2493574A (en) * | 2011-11-10 | 2013-02-13 | Renesas Mobile Corp | Transmission of closed subscriber group identifiers (CSG IDs) based on load condition of a cell |
| EP2810418B1 (en) * | 2012-02-02 | 2018-11-07 | Nokia Solutions and Networks Oy | Group based bootstrapping in machine type communication |
| FR2990094A1 (fr) * | 2012-04-26 | 2013-11-01 | Commissariat Energie Atomique | Methode et systeme d'authentification des noeuds d'un reseau |
| US9240881B2 (en) * | 2012-04-30 | 2016-01-19 | Alcatel Lucent | Secure communications for computing devices utilizing proximity services |
| JP5983785B2 (ja) * | 2012-06-29 | 2016-09-06 | 日本電気株式会社 | M2mにおけるグループ・ベースド・フィーチャのためのセキュリティアップデート |
| WO2014046686A1 (en) * | 2012-09-24 | 2014-03-27 | Nokia Siemens Networks Oy | Group messaging in a communication network |
| CN103716753B (zh) * | 2012-09-29 | 2018-12-25 | 中兴通讯股份有限公司 | 一种小数据发送方法、系统及用户设备 |
| US9027114B2 (en) * | 2013-03-12 | 2015-05-05 | Cisco Technology, Inc. | Changing group member reachability information |
| US9882714B1 (en) * | 2013-03-15 | 2018-01-30 | Certes Networks, Inc. | Method and apparatus for enhanced distribution of security keys |
| KR102046111B1 (ko) * | 2013-03-29 | 2019-11-18 | 삼성전자주식회사 | 장치 간 통신 방법 및 장치 |
| WO2014167073A2 (en) * | 2013-04-11 | 2014-10-16 | Nec Europe Ltd. | A method and a network structure for providing device connectivity to a radio access network |
| CN105247904A (zh) * | 2013-05-15 | 2016-01-13 | 高通股份有限公司 | 用于多播/广播数据传输的群承载和承载选择 |
| KR102142576B1 (ko) * | 2013-05-16 | 2020-08-10 | 삼성전자주식회사 | 단말간 통신을 위한 탐색 방법 및 장치 |
| US11570161B2 (en) * | 2013-07-31 | 2023-01-31 | Nec Corporation | Devices and method for MTC group key management |
| CN104349311A (zh) * | 2013-08-02 | 2015-02-11 | 中兴通讯股份有限公司 | 一种用于机器类通信小数据传输的密钥建立方法和系统 |
| CN104581704B (zh) * | 2013-10-25 | 2019-09-24 | 中兴通讯股份有限公司 | 一种实现机器类通信设备间安全通信的方法及网络实体 |
| CN104661171B (zh) * | 2013-11-25 | 2020-02-28 | 中兴通讯股份有限公司 | 一种用于mtc设备组的小数据安全传输方法和系统 |
| CN106465046B (zh) * | 2014-05-07 | 2020-05-01 | 交互数字专利控股公司 | 用于启用机器类型通信群组通信的群组通信的系统、方法和工具 |
| US10136284B2 (en) * | 2014-07-07 | 2018-11-20 | Convida Wireless, Llc | Coordinated grouping for machine type communications group based services |
-
2014
- 2014-07-07 US US14/908,240 patent/US11570161B2/en active Active
- 2014-07-07 EP EP18153168.2A patent/EP3331216A1/en not_active Ceased
- 2014-07-07 WO PCT/JP2014/003579 patent/WO2015015714A1/en not_active Ceased
- 2014-07-07 CN CN201480043251.6A patent/CN105432058A/zh active Pending
- 2014-07-07 KR KR1020167002010A patent/KR20160037907A/ko not_active Withdrawn
- 2014-07-07 EP EP14748300.2A patent/EP3028431A1/en not_active Withdrawn
- 2014-07-07 JP JP2016503868A patent/JP2016527736A/ja active Pending
- 2014-07-07 KR KR1020197012302A patent/KR20190047143A/ko not_active Ceased
-
2018
- 2018-09-21 JP JP2018177793A patent/JP6614304B2/ja active Active
-
2019
- 2019-10-21 JP JP2019191999A patent/JP6922963B2/ja active Active
-
2021
- 2021-07-28 JP JP2021122917A patent/JP7248059B2/ja active Active
-
2022
- 2022-07-28 US US17/875,613 patent/US20220407846A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP3331216A1 (en) | 2018-06-06 |
| CN105432058A (zh) | 2016-03-23 |
| US20160182477A1 (en) | 2016-06-23 |
| JP7248059B2 (ja) | 2023-03-29 |
| EP3028431A1 (en) | 2016-06-08 |
| US11570161B2 (en) | 2023-01-31 |
| JP2021182753A (ja) | 2021-11-25 |
| WO2015015714A1 (en) | 2015-02-05 |
| JP6922963B2 (ja) | 2021-08-18 |
| JP2020025311A (ja) | 2020-02-13 |
| US20220407846A1 (en) | 2022-12-22 |
| JP2016527736A (ja) | 2016-09-08 |
| JP6614304B2 (ja) | 2019-12-04 |
| JP2019013043A (ja) | 2019-01-24 |
| KR20190047143A (ko) | 2019-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7248059B2 (ja) | ネットワークノード及び通信方法 | |
| US11122405B2 (en) | MTC key management for key derivation at both UE and network | |
| US11799650B2 (en) | Operator-assisted key establishment | |
| US20220303741A1 (en) | Mtc key management for sending key from network to ue | |
| US20150229620A1 (en) | Key management in machine type communication system | |
| JP2016527736A5 (https=) | ||
| CN102595403A (zh) | 绑定中继节点的认证方法及装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20160122 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| A107 | Divisional application of patent | ||
| PA0104 | Divisional application for international application |
Comment text: Divisional Application for International Patent Patent event code: PA01041R01D Patent event date: 20190426 |
|
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |