WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B)

Description

H01P covers the design, construction, and components of waveguides and waveguide-based devices used to transmit electromagnetic waves, primarily in microwave and millimeter-wave frequency ranges. This includes hollow metallic waveguides, coaxial transmission lines, dielectric waveguides, and integrated waveguide structures on circuit boards or substrates. The class encompasses resonators, filters, couplers, junctions, bends, and other passive microwave components that guide, modulate, or control electromagnetic energy propagation. Related transmission line technologies and antenna feed systems are also included within this classification's scope.

Filing statistics

CPC subclass H01P recorded 38,823 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,104 in 2013 to 3,286 in 2023 (+56%), peaking at 4,442 applications in 2019. The most active applicants in class H01 are SAMSUNG ELECTRONICS COMPANY (37,897 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (36,116 applications) and APPLIED MATERIALS (21,640 applications).

Source: EPO PATSTAT, worldwide filings