IPC Subgroup
H04B 10/11 Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
Introduced: January 2013
Full Title
Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication > Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H04B 10/112 Line-of-sight transmission over an extended range
- H04B 10/114 Indoor or close-range type systems
- H04B 10/118 specially adapted for satellite communication
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