CPC Subgroup
H01J 29/46 Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
Full Title
Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00 > Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
11 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01J 29/48 Electron guns
- H01J 29/52 Arrangements for controlling intensity of ray or beam, e.g. for modulation
- H01J 29/54 Arrangements for centring ray or beam
- H01J 29/56 Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
- H01J 29/58 Arrangements for focusing or reflecting ray or beam
- H01J 29/70 Arrangements for deflecting ray or beam
- H01J 29/80 Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
- H01J 29/82 Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
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