CPC Subgroup
H01J 49/34 Dynamic spectrometers
Full Title
Particle spectrometers or separator tubes > Mass spectrometers or separator tubes > Dynamic spectrometers
3 direct subcodes
Child Classifications
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- H01J 49/36 Radio frequency spectrometers, e.g. Bennett-type spectrometers, Redhead-type spectrometers
- H01J 49/40 Time-of-flight spectrometers (H01J49/36 takes precedence)
- H01J 49/42 Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
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