CPC Subgroup
H04N 1/32789 Full Title
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Circuits or arrangements for control or supervision between transmitter and receiver > Initiating, continuing or ending a single-mode communication; Handshaking therefor
1 direct subcode
Child Classifications
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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