DIFF Subgroup
H04L 61/2503 Translation of Internet protocol [IP] addresses
Introduced: January 2022
Full Title
Network arrangements, protocols or services for addressing or naming > Mapping addresses > of the same type > Translation of Internet protocol [IP] addresses
Of 11 combined children, 10 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2022.
Child Classifications
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- H04L 61/2521 Translation architectures other than single NAT servers since 2022 +4 CPC IPC+CPC Available in IPC and CPC
- H04L 61/2539 Hiding addresses; Keeping addresses anonymous since 2022 IPC+CPC Available in IPC and CPC
- H04L 61/2546 Arrangements for avoiding unnecessary translation since 2022 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H04,2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327
Top Applicants (CPC)
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