CPC Subgroup
H01J 49/10 Ion sources; Ion guns
Full Title
Particle spectrometers or separator tubes > Details > Ion sources; Ion guns
7 direct subcodes
Child Classifications
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- H01J 49/12 using an arc discharge, e.g. of the duoplasmatron type
- H01J 49/14 using particle bombardment, e.g. ionisation chambers
- H01J 49/16 using surface ionisation, e.g. field-, thermionic- or photo-emission
- H01J 49/18 using spark ionisation
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