CPC Subgroup
G06F 18/232 Non-hierarchical techniques
Full Title
Pattern recognition > Analysing > Clustering techniques > Non-hierarchical techniques
4 direct subcodes
Child Classifications
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- G06F 18/2321 using statistics or function optimisation, e.g. modelling of probability density functions
- G06F 18/2323 based on graph theory, e.g. minimum spanning trees [MST] or graph cuts
- G06F 18/2325 using vector quantisation
- G06F 18/2337 using fuzzy logic, i.e. fuzzy clustering
Top Applicants
Top 10 applicants by patent filingsfor class G06, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 76,952
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,841
- MICROSOFT TECHNOLOGY LICENSING US 44,778
- GOOGLE US 35,735
- INTEL CORPORATION US 32,087
- HUAWEI TECHNOLOGIES COMPANY CN 30,572
- TENCENT TECHNOLOGY (SHENZHEN) COMPANY 25,023
- APPLE US 23,482
- SGCC(STATE GRID CORPORATION OF CHINA) 22,548
- HUAWEI TECHNOLOGIES COMPANY 20,917