CN113923052A - 用于在物联网(IoT)系统中建立安全通信信道的设备和方法 - Google Patents

用于在物联网(IoT)系统中建立安全通信信道的设备和方法 Download PDF

Info

Publication number
CN113923052A
CN113923052A CN202111442470.XA CN202111442470A CN113923052A CN 113923052 A CN113923052 A CN 113923052A CN 202111442470 A CN202111442470 A CN 202111442470A CN 113923052 A CN113923052 A CN 113923052A
Authority
CN
China
Prior art keywords
iot
data packet
service
iot device
iot service
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
CN202111442470.XA
Other languages
English (en)
Chinese (zh)
Inventor
乔·布里特
奥马尔·扎卡里亚
斯科特·齐默尔曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Afero Inc
Original Assignee
Afero Inc
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
Priority claimed from US14/791,371 external-priority patent/US9729528B2/en
Priority claimed from US14/791,373 external-priority patent/US9699814B2/en
Application filed by Afero Inc filed Critical Afero Inc
Publication of CN113923052A publication Critical patent/CN113923052A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/606—Protecting data by securing the transmission between two devices or processes
    • 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
    • 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
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • 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
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/14—WLL [Wireless Local Loop]; RLL [Radio Local Loop]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless
    • H04L2209/805—Lightweight hardware, e.g. radio-frequency identification [RFID] or sensor
    • 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
    • H04L63/045—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 wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Bioethics (AREA)
  • Medical Informatics (AREA)
  • Selective Calling Equipment (AREA)
  • Telephonic Communication Services (AREA)
CN202111442470.XA 2015-07-03 2016-07-01 用于在物联网(IoT)系统中建立安全通信信道的设备和方法 Pending CN113923052A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14/791,371 2015-07-03
US14/791,371 US9729528B2 (en) 2015-07-03 2015-07-03 Apparatus and method for establishing secure communication channels in an internet of things (IOT) system
US14/791,373 2015-07-03
US14/791,373 US9699814B2 (en) 2015-07-03 2015-07-03 Apparatus and method for establishing secure communication channels in an internet of things (IoT) system
CN201680038597.6A CN107710216B (zh) 2015-07-03 2016-07-01 用于在物联网(IoT)系统中建立安全通信信道的设备和方法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201680038597.6A Division CN107710216B (zh) 2015-07-03 2016-07-01 用于在物联网(IoT)系统中建立安全通信信道的设备和方法

Publications (1)

Publication Number Publication Date
CN113923052A true CN113923052A (zh) 2022-01-11

Family

ID=57685680

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202111442470.XA Pending CN113923052A (zh) 2015-07-03 2016-07-01 用于在物联网(IoT)系统中建立安全通信信道的设备和方法
CN201680038597.6A Expired - Fee Related CN107710216B (zh) 2015-07-03 2016-07-01 用于在物联网(IoT)系统中建立安全通信信道的设备和方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201680038597.6A Expired - Fee Related CN107710216B (zh) 2015-07-03 2016-07-01 用于在物联网(IoT)系统中建立安全通信信道的设备和方法

Country Status (5)

Country Link
JP (1) JP7122964B2 (https=)
KR (1) KR102723973B1 (https=)
CN (2) CN113923052A (https=)
HK (1) HK1251310A1 (https=)
WO (1) WO2017007725A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116827589A (zh) * 2022-03-28 2023-09-29 西门子股份公司 用于为IoT设备进行载入的方法和系统

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10740455B2 (en) 2017-05-11 2020-08-11 Microsoft Technology Licensing, Llc Encave pool management
US10747905B2 (en) 2017-05-11 2020-08-18 Microsoft Technology Licensing, Llc Enclave ring and pair topologies
US10833858B2 (en) 2017-05-11 2020-11-10 Microsoft Technology Licensing, Llc Secure cryptlet tunnel
US10637645B2 (en) 2017-05-11 2020-04-28 Microsoft Technology Licensing, Llc Cryptlet identity
US10528722B2 (en) 2017-05-11 2020-01-07 Microsoft Technology Licensing, Llc Enclave pool shared key
US10664591B2 (en) 2017-05-11 2020-05-26 Microsoft Technology Licensing, Llc Enclave pools
US11488121B2 (en) 2017-05-11 2022-11-01 Microsoft Technology Licensing, Llc Cryptlet smart contract
US10238288B2 (en) 2017-06-15 2019-03-26 Microsoft Technology Licensing, Llc Direct frequency modulating radio-frequency sensors
JP6919484B2 (ja) * 2017-10-10 2021-08-18 日本電信電話株式会社 暗号通信方法、暗号通信システム、鍵発行装置、プログラム
CN108073829B (zh) 2017-12-29 2024-10-15 巍乾全球技术有限责任公司 用于记录对象的运输数据的方法、介质、物联网设备、区块链平台和物联网系统
KR102411604B1 (ko) * 2018-03-22 2022-06-21 삼성전자주식회사 액세스 포인트 및 이의 통신 연결 방법
US11271746B2 (en) * 2018-08-01 2022-03-08 Otis Elevator Company Component commissioning to IoT hub using permissioned blockchain
CN108901023B (zh) * 2018-08-06 2021-07-09 山东华方智联科技股份有限公司 一种在物联网设备之间共享WiFi的方法及系统
RU2695487C1 (ru) * 2018-09-26 2019-07-23 Олег Дмитриевич Гурин Способ и система обеспечения взаимодействия устройств интернета вещей (iot)
CN109361507B (zh) * 2018-10-11 2021-11-02 杭州华澜微电子股份有限公司 一种数据加密方法及加密设备
WO2020081501A1 (en) * 2018-10-16 2020-04-23 Aeris Communications, Inc. Method and system for pairing wireless mobile device with iot device
US11025601B2 (en) 2018-12-04 2021-06-01 Citrix Systems, Inc. System and apparatus for enhanced QOS, steering and policy enforcement for HTTPS traffic via intelligent inline path discovery of TLS terminating node
US11134376B2 (en) 2018-12-20 2021-09-28 T-Mobile Usa, Inc. 5G device compatibility with legacy SIM
US11228903B2 (en) * 2018-12-28 2022-01-18 T-Mobile Usa, Inc. 5G service compatible 4G SIM
US11963003B2 (en) 2019-01-10 2024-04-16 Stefan Meyer Network-connectable sensing device
US11212319B2 (en) 2019-01-24 2021-12-28 Zhnith Incorporated Multiple sentinels for securing communications
CN109951479A (zh) * 2019-03-19 2019-06-28 中国联合网络通信集团有限公司 一种通信方法、设备及通信系统
US11323275B2 (en) 2019-03-25 2022-05-03 Micron Technology, Inc. Verification of identity using a secret key
US11233650B2 (en) 2019-03-25 2022-01-25 Micron Technology, Inc. Verifying identity of a vehicle entering a trust zone
US11361660B2 (en) 2019-03-25 2022-06-14 Micron Technology, Inc. Verifying identity of an emergency vehicle during operation
CN110012109B (zh) * 2019-04-15 2020-04-24 珠海格力电器股份有限公司 可实现高准确度的工程信息的建立方法
KR20240105515A (ko) 2019-05-21 2024-07-05 에이치아이디 글로벌 코포레이션 물리적 액세스 제어 시스템 및 방법
US11296872B2 (en) * 2019-11-07 2022-04-05 Micron Technology, Inc. Delegation of cryptographic key to a memory sub-system
CN110933672B (zh) * 2019-11-29 2021-11-30 华为技术有限公司 一种密钥协商方法及电子设备
WO2022101405A2 (en) 2020-11-13 2022-05-19 Assa Abloy Ab Secure element arrays in internet-of-things systems
FR3120154B1 (fr) * 2021-02-24 2023-04-14 Systemes Et Tech Identification Stid Procédé d’échanges sécurisés entre un lecteur de contrôle d’accès, concentrateur IOT et une unité de traitement de données.
CN113242548B (zh) * 2021-07-09 2021-09-17 四川大学 5g网络环境下的无线物联网设备通信密钥交换方法
CN114338071A (zh) * 2021-10-28 2022-04-12 中能电力科技开发有限公司 一种基于风电场通信的网络安全身份认证方法
CN116321082A (zh) * 2021-12-21 2023-06-23 中兴通讯股份有限公司 基于短距离通信的组网方法、设备和存储介质
US12388823B1 (en) * 2024-02-13 2025-08-12 Zuul, Inc. Security engine for IoT devices
CN120434628B (zh) * 2025-07-04 2025-11-11 北京易油互联科技有限公司 防爆场景物联网移动手持设备信号传输与加密方法及系统

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040210776A1 (en) * 2003-04-08 2004-10-21 Rachana Shah System and method for editing a profile
WO2006003532A1 (en) * 2004-06-29 2006-01-12 Koninklijke Philips Electronics N.V. System and methods for efficient authentication of medical wireless ad hoc network nodes
WO2011008498A2 (en) * 2009-07-14 2011-01-20 Alcatel-Lucent Usa Inc. Automated security provisioning protocol for wide area network communication devices in open device environment
US20110016322A1 (en) * 2009-07-15 2011-01-20 Research In Motion Limited System and method for exchanging key generation parameters for secure communications
US20120011360A1 (en) * 2010-06-14 2012-01-12 Engels Daniel W Key management systems and methods for shared secret ciphers
CN102882847A (zh) * 2012-08-24 2013-01-16 山东省计算中心 基于sd密码卡的物联网健康医疗服务系统及安全通信方法
CN103166919A (zh) * 2011-12-13 2013-06-19 中国移动通信集团黑龙江有限公司 一种物联网信息传输的方法和系统
US20130170258A1 (en) * 2011-12-30 2013-07-04 Maxim Integrated Products, Inc. Electromagnetic connector
CN103404112A (zh) * 2011-03-04 2013-11-20 丰田自动车株式会社 车辆网络系统
US20140115335A1 (en) * 2012-10-19 2014-04-24 Caterpillar Inc. Secure machine-to-machine communication protocol
CN104170312A (zh) * 2011-12-15 2014-11-26 英特尔公司 用于使用硬件安全引擎通过网络进行安全通信的方法和设备
US20150029880A1 (en) * 2013-07-29 2015-01-29 Qualcomm Incorporated PROXIMITY DETECTION OF INTERNET OF THINGS (IoT) DEVICES USING SOUND CHIRPS
GB201503199D0 (en) * 2015-02-26 2015-04-15 Eseye Ltd Authentication module

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ237080A (en) * 1990-03-07 1993-05-26 Ericsson Telefon Ab L M Continuous synchronisation for duplex encrypted digital cellular telephony
JP2006140743A (ja) * 2004-11-11 2006-06-01 Epson Toyocom Corp 共通鍵配送方法
JP5526747B2 (ja) 2009-12-04 2014-06-18 パナソニック株式会社 復号化装置、暗号化装置、復号化方法、暗号化方法、および通信システム
US8189775B2 (en) * 2010-02-18 2012-05-29 King Fahd University Of Petroleum & Minerals Method of performing cipher block chaining using elliptic polynomial cryptography
US8625788B2 (en) * 2011-01-05 2014-01-07 Intel Corporation Method and apparatus for building a hardware root of trust and providing protected content processing within an open computing platform
EP2538606B1 (en) * 2011-06-21 2017-08-09 BlackBerry Limited Provisioning a shared secret to a portable electronic device and to a service entity
CN102316108B (zh) * 2011-09-09 2014-06-04 周伯生 建立网络隔离通道的设备及其方法
US9094191B2 (en) * 2013-03-14 2015-07-28 Qualcomm Incorporated Master key encryption functions for transmitter-receiver pairing as a countermeasure to thwart key recovery attacks
CN103530767A (zh) * 2013-09-10 2014-01-22 潘之凯 一种用于计量量收费系统的信息安全方法
CN105830470A (zh) * 2013-11-22 2016-08-03 高通股份有限公司 用于基于用车辆内的多个移动计算设备提供的偏好来配置车辆的内部的系统和方法
CN104700237B (zh) * 2015-04-03 2018-05-15 成都吉普斯能源科技有限公司 一种基于物联网的车辆综合管理系统

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040210776A1 (en) * 2003-04-08 2004-10-21 Rachana Shah System and method for editing a profile
WO2006003532A1 (en) * 2004-06-29 2006-01-12 Koninklijke Philips Electronics N.V. System and methods for efficient authentication of medical wireless ad hoc network nodes
WO2011008498A2 (en) * 2009-07-14 2011-01-20 Alcatel-Lucent Usa Inc. Automated security provisioning protocol for wide area network communication devices in open device environment
US20110016322A1 (en) * 2009-07-15 2011-01-20 Research In Motion Limited System and method for exchanging key generation parameters for secure communications
US20120011360A1 (en) * 2010-06-14 2012-01-12 Engels Daniel W Key management systems and methods for shared secret ciphers
CN103404112A (zh) * 2011-03-04 2013-11-20 丰田自动车株式会社 车辆网络系统
CN103166919A (zh) * 2011-12-13 2013-06-19 中国移动通信集团黑龙江有限公司 一种物联网信息传输的方法和系统
CN104170312A (zh) * 2011-12-15 2014-11-26 英特尔公司 用于使用硬件安全引擎通过网络进行安全通信的方法和设备
US20130170258A1 (en) * 2011-12-30 2013-07-04 Maxim Integrated Products, Inc. Electromagnetic connector
CN102882847A (zh) * 2012-08-24 2013-01-16 山东省计算中心 基于sd密码卡的物联网健康医疗服务系统及安全通信方法
US20140115335A1 (en) * 2012-10-19 2014-04-24 Caterpillar Inc. Secure machine-to-machine communication protocol
US20150029880A1 (en) * 2013-07-29 2015-01-29 Qualcomm Incorporated PROXIMITY DETECTION OF INTERNET OF THINGS (IoT) DEVICES USING SOUND CHIRPS
GB201503199D0 (en) * 2015-02-26 2015-04-15 Eseye Ltd Authentication module

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
施健;陈铁明;茆俊康;: "基于IBE Service的新型文件加密系统", 计算机系统应用, no. 06 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116827589A (zh) * 2022-03-28 2023-09-29 西门子股份公司 用于为IoT设备进行载入的方法和系统

Also Published As

Publication number Publication date
JP2018525891A (ja) 2018-09-06
WO2017007725A1 (en) 2017-01-12
CN107710216B (zh) 2021-12-07
JP7122964B2 (ja) 2022-08-22
KR20180025903A (ko) 2018-03-09
CN107710216A (zh) 2018-02-16
HK1251310A1 (zh) 2019-01-25
KR102723973B1 (ko) 2024-10-29

Similar Documents

Publication Publication Date Title
US11153750B2 (en) Apparatus and method for sharing credentials in an internet of things (IoT) system
JP7254843B2 (ja) 仮想のモノのインターネット（Ｉｎｔｅｒｎｅｔ ｏｆ Ｔｈｉｎｇｓ）（ＩｏＴ）デバイス及びハブ用のシステム及び方法
US10841759B2 (en) Securely providing a password using an internet of things (IoT) system
CN107710216B (zh) 用于在物联网(IoT)系统中建立安全通信信道的设备和方法
US10659961B2 (en) Apparatus and method for sharing WiFi security data in an internet of things (IoT) system
US10375044B2 (en) Apparatus and method for establishing secure communication channels in an internet of things (IoT) system
US11221731B2 (en) System and method for sharing internet of things (IOT) devices
US9699814B2 (en) Apparatus and method for establishing secure communication channels in an internet of things (IoT) system
US10146978B2 (en) Apparatus and method for accurate barcode scanning using dynamic timing feedback
CN108475317A (zh) 用于保护物联网(IoT)装置预置的系统和方法
US9626543B1 (en) Apparatus and method for accurate barcode scanning using dynamic timing feedback
WO2023225031A1 (en) Apparatus and method for cryptographically securing unpowered or non-electronic iot devices

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20220111

WD01 Invention patent application deemed withdrawn after publication