CPC Subgroup
H01J 43/06 Electrode arrangements
Full Title
Secondary-emission tubes; Electron-multiplier tubes (dynamic electron-multiplier tubes H01J25/76) > Electron multipliers > Electrode arrangements
6 direct subcodes
Child Classifications
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- H01J 43/08 Cathode arrangements (construction of photo cathodes H01J40/06, H01J40/16, H01J47/00, H01J49/08)
- H01J 43/10 Dynodes (H01J43/24, H01J43/26 take precedence)
- H01J 43/12 Anode arrangements
- H01J 43/14 Control of electron beam by magnetic field
- H01J 43/16 Electrode arrangements using essentially one dynode
- H01J 43/18 Electrode arrangements using essentially more than one dynode
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