CPC Main Group Additional Only
G01N 2223/00 Investigating materials by wave or particle radiation
11 direct subcodes
Child Classifications
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- G01N 2223/01 by radioactivity, nuclear decay
- G01N 2223/03 by transmission
- G01N 2223/045 combination of at least 2 measurements (transmission and scatter)
- G01N 2223/05 by diffraction, scatter or reflection
- G01N 2223/07 secondary emission
- G01N 2223/10 Different kinds of radiation or particles
- G01N 2223/20 Sources of radiation
- G01N 2223/30 Accessories, mechanical or electrical features
- G01N 2223/40 Imaging
- G01N 2223/50 Detectors
- G01N 2223/60 Specific applications or type of materials
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