H01Q 15/02 Refracting or diffracting devices, e.g. lens, prism
Introduced: September 1968
Last revised: January 2006
Full Title
Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices > Refracting or diffracting devices, e.g. lens, prism
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS
Filing statistics
IPC H01Q 15/02 belongs to the parent subclass H01Q, which recorded 196,719 patent applications worldwide between 2013 and 2023. Annual filings grew from 11,752 in 2013 to 20,067 in 2023 (+71%), peaking at 23,062 applications in 2020. The most active applicants in class H01 are TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (43,574 applications), SAMSUNG ELECTRONICS COMPANY (42,206 applications) and LG CHEM (21,383 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
5 direct subcodes
Child Classifications
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- H01Q 15/04 comprising wave-guiding channel or channels bounded by effective conductive surfaces substantially perpendicular to the electric vector of the wave, e.g. parallel-plate waveguide lens
- H01Q 15/06 comprising plurality of wave-guiding channels of different length
- H01Q 15/08 formed of solid dielectric material
- H01Q 15/1 comprising three-dimensional [3D] array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric
- H01Q 15/12 functioning also as polarisation filter
Top Applicants
Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
- SAMSUNG ELECTRONICS COMPANY KR 42,206
- LG CHEM KR 21,383
- APPLIED MATERIALS US 20,441
- LG ENERGY SOLUTION KR 20,279
- SAMSUNG DISPLAY KR 19,725
- CHINESE ACADEMY OF SCIENCES 19,400
- TOYOTA MOTOR CORPORATION 18,819
- SGCC(STATE GRID CORPORATION OF CHINA) 18,082
- TOKYO ELECTRON JP 17,634