CPC Main Group
H04W 12/00 Security arrangements; Authentication; Protecting privacy or anonymity
13 direct subcodes
Child Classifications
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- H04W 12/02 Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
- H04W 12/03 Protecting confidentiality, e.g. by encryption
- H04W 12/04 Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W 12/06 Authentication
- H04W 12/08 Access security
- H04W 12/10 Integrity
- H04W 12/12 Detection or prevention of fraud
- H04W 12/30 Security of mobile devices; Security of mobile applications
- H04W 12/40 Security arrangements using identity modules
- H04W 12/50 Secure pairing of devices
- H04W 12/60 Context-dependent security
- H04W 12/80 Arrangements enabling lawful interception [LI]
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498