CPC Subgroup Additional Only
H04N 2201/3204 of data relating to a user, sender, addressee, machine or electronic recording medium (H04N2201/3256 and subgroups take precedence)
Full Title
Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof > Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device > Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title > of data relating to a user, sender, addressee, machine or electronic recording medium (H04N2201/3256 and subgroups take precedence)
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H04N 2201/3205 of identification information, e.g. name or ID code (H04N2201/3209 takes precedence)
- H04N 2201/3207 of an address
- H04N 2201/3209 of a telephone number
- H04N 2201/3211 of a company logo or the like
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