IPC Subgroup
H01P 5/12 Coupling devices having more than two ports
Introduced: September 1968
Last revised: January 2006
Full Title
Coupling devices of the waveguide type > Coupling devices having more than two ports
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE
Filing statistics
IPC H01P 5/12 belongs to the parent subclass H01P, which recorded 51,213 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,318 in 2013 to 4,555 in 2023 (+37%), peaking at 5,704 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
MAGIC-TEES
1 direct subcode
Child Classifications
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- H01P 5/16 Conjugate devices, i.e. devices having at least one port decoupled from one other port
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