IPC Subgroup
H01Q 15/14 Reflecting surfaces; Equivalent structures
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 > Reflecting surfaces; Equivalent structures
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS
Related Keywords
REFLECTION(S) of electromagnetic waves
3 direct subcodes
Child Classifications
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- H01Q 15/16 curved in two dimensions [2D], e.g. paraboloidal
- H01Q 15/18 comprising plurality of mutually inclined plane surfaces, e.g. corner reflector
- H01Q 15/22 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