Dosimeters (G01T1/15 takes precedence)

Full Title

Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation (G01T3/00, G01T5/00 take precedence) > Dosimeters (G01T1/15 takes precedence)

Filing statistics

CPC G01T 1/02 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

8 direct subcodes

Child Classifications

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G01T 1/023
G01T 1/026
G01T 1/04 Chemical dosimeters (G01T1/06, G01T1/08 take precedence)
G01T 1/06 Glass dosimeters
G01T 1/08 Photographic dosimeters
G01T 1/10 Luminescent dosimeters
G01T 1/12 Calorimetric dosimeters
G01T 1/14 Electrostatic dosimeters (construction of ionisation chambers H01J47/02 )

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