H01Q 19/12 wherein the surfaces are concave (H01Q19/18 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: wherein the surfaces are concave
CPC: wherein the surfaces are concave (H01Q19/18 takes precedence)
Full Title
Full titles differ between systems:
Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic > using reflecting surfaces > wherein the surfaces are concave
Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic > using reflecting surfaces > wherein the surfaces are concave (H01Q19/18 takes precedence)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- H01Q 19/13 the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination (H01Q19/15 takes precedence) since 1980 +3 CPC IPC+CPC Available in IPC and CPC
- H01Q 19/15 the primary radiating source being a line source, e.g. leaky waveguide antennas since 1980 IPC+CPC Available in IPC and CPC
- H01Q 19/17 the primary radiating source comprising two or more radiating elements (H01Q19/15, H01Q25/00 take precedence) since 1980 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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