CPC Subgroup
G01N 1/28 Preparing specimens for investigation (mounting specimens on microscopic slides G02B21/34; means for supporting the objects or the materials to be analysed in electron microscopes H01J37/20 )
Full Title
Sampling; Preparing specimens for investigation > Preparing specimens for investigation (mounting specimens on microscopic slides G02B21/34; means for supporting the objects or the materials to be analysed in electron microscopes H01J37/20 )
13 direct subcodes
Child Classifications
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- G01N 1/30 Staining; Impregnating
- G01N 1/32 Polishing; Etching
- G01N 1/34 Purifying; Cleaning
- G01N 1/36 Embedding or analogous mounting of samples
- G01N 1/38 Diluting, dispersing or mixing samples
- G01N 1/40 Concentrating samples
- G01N 1/42 Low-temperature sample treatment, e.g. cryofixation
- G01N 1/44 Sample treatment involving radiation, e.g. heat
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