CPC Subgroup Additional Only
H01J 2229/863 Passive shielding means associated with the vessel
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Passive shielding means associated with the vessel
7 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01J 2229/8631 Coatings
- H01J 2229/8633 Meshes and patterns
- H01J 2229/8634 Magnetic shielding
- H01J 2229/8635 Antistatic shielding
- H01J 2229/8636 Electromagnetic shielding
- H01J 2229/8637 Mechanical shielding, e.g. against water or abrasion
- H01J 2229/8638 Ionising radiation shielding, e.g. X-rays
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