IPC Main Group
H01P 3/00 Waveguides; Transmission lines of the waveguide type
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE
Filing statistics
IPC H01P 3/00 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
6 direct subcodes
Child Classifications
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- H01P 3/02 with two longitudinal conductors
- H01P 3/1 Wire waveguides, i.e. with a single solid longitudinal conductor
- H01P 3/12 Hollow waveguides
- H01P 3/16 Dielectric waveguides, i.e. without a longitudinal conductor
- H01P 3/18 built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers
- H01P 3/2 Quasi-optical arrangements for guiding a wave, e.g. focusing by dielectric lenses
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