Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements (leaky waveguides antennas or slot antennas H01Q13/00)

Filing statistics

CPC H01Q 11/00 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