CPC Subgroup Additional Only
H01J 2231/123 by direct current detection, e.g. collecting electrodes
Full Title
Cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > CRTs having luminescent screens > Means for indicating the position of the beam, e.g. beam indexing > by direct current detection, e.g. collecting electrodes
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