CPC Main Group
H01Q 21/00 Antenna arrays or systems (arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system H01Q3/00)
Filing statistics
CPC H01Q 21/00 belongs to the parent subclass H01Q, which recorded 157,150 patent applications worldwide between 2013 and 2023. Annual filings grew from 8,806 in 2013 to 14,657 in 2023 (+66%), peaking at 18,286 applications in 2020. The most active applicants in class H01 are SAMSUNG ELECTRONICS COMPANY (37,897 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (36,116 applications) and APPLIED MATERIALS (21,640 applications).
Source: EPO PATSTAT, worldwide filings
7 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01Q 21/06 Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q 21/24 Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems
- H01Q 21/29 Combinations of different interacting antenna units for giving a desired directional characteristic (H01Q25/00 takes precedence)
- H01Q 21/30 Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Top Applicants
Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 37,897
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
- APPLIED MATERIALS US 21,640
- LG ENERGY SOLUTION KR 20,770
- LG CHEM KR 19,835
- TOKYO ELECTRON JP 18,519
- ROBERT BOSCH DE 14,595
- INTEL CORPORATION US 13,580
- MURATA MANUFACTURING COMPANY JP 12,151
- SAMSUNG SDI COMPANY KR 12,080