CPC Main Group
G01T 1/00 Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation (G01T3/00, G01T5/00 take precedence)
Filing statistics
CPC G01T 1/00 belongs to the parent subclass G01T, which recorded 31,887 patent applications worldwide between 2013 and 2023. Annual filings declined from 2,593 in 2013 to 2,562 in 2023 (-1%), peaking at 3,345 applications in 2019. The most active applicants in class G01 are CHINESE ACADEMY OF SCIENCES (21,460 applications), ROBERT BOSCH (17,801 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (17,347 applications).
Source: EPO PATSTAT, worldwide filings
10 direct subcodes
Child Classifications
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- G01T 1/02 Dosimeters (G01T1/15 takes precedence)
- G01T 1/15 Instruments in which pulses generated by a radiation detector are integrated, e.g. by a diode pump circuit
- G01T 1/16 Measuring radiation intensity (G01T1/29 takes precedence )
- G01T 1/29 Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T 1/30 Measuring half-life of a radioactive substance
- G01T 1/32 Measuring polarisation of particles
- G01T 1/34 Measuring cross-section, e.g. absorption cross-section of particles
- G01T 1/36 Measuring spectral distribution of X-rays or of nuclear radiation
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382