Details of network addresses

Introduced: January 2022

Full Title

Indexing scheme associated with group > Types of network addresses > Details of network addresses

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC COMMUNICATION TECHNIQUE
Subclass:: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

Filing statistics

IPC H04L 101/618 belongs to the parent subclass H04L, which recorded 1,397,397 patent applications worldwide between 2013 and 2023. Annual filings grew from 91,584 in 2013 to 136,803 in 2023 (+49%), peaking at 147,432 applications in 2022. The most active applicants in class H04 are QUALCOMM (97,396 applications), HUAWEI TECHNOLOGIES COMPANY (96,502 applications) and SAMSUNG ELECTRONICS COMPANY (86,981 applications).

Source: EPO PATSTAT, worldwide filings

10 direct subcodes

Child Classifications

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H04L 101/622 Layer-2 addresses, e.g. medium access control [MAC] addresses
H04L 101/627 Controller area network [CAN] identifiers
H04L 101/631 Small computer system interface [SCSI] addresses
H04L 101/636 IEEE1394 identification numbers
H04L 101/64 Asynchronous transfer mode [ATM] addresses
H04L 101/645 Fibre channel identifiers
H04L 101/65 Telephone numbers
H04L 101/654 International mobile subscriber identity [IMSI] numbers
H04L 101/659 Internet protocol version 6 [IPv6] addresses
H04L 101/663 Transport layer addresses, e.g. aspects of transmission control protocol [TCP] or user datagram protocol [UDP] ports

Top Applicants

Top 10 applicants by patent filingsfor 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