CPC Subgroup
H01P 3/123 with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence)
Full Title
Waveguides; Transmission lines of the waveguide type > Hollow waveguides (H01P3/20 takes precedence) > with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence)
Top Applicants
Top 10 applicants by patent filingsfor 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