CPC Subgroup Additional Only
H04B 2201/69 Orthogonal indexing scheme relating to spread spectrum techniques in general
Full Title
Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00 > Orthogonal indexing scheme relating to spread spectrum techniques in general
7 direct subcodes
Child Classifications
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- H04B 2201/692 Cognitive radio
- H04B 2201/694 WPAN
- H04B 2201/696 relating to Dowlink
- H04B 2201/698 relating to Uplink
- H04B 2201/707 relating to direct sequence modulation
- H04B 2201/713 Frequency hopping
- H04B 2201/7163 Orthogonal indexing scheme relating to impulse radio
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