Top CPC Classifications

Showing top 20 classifications by patent count from August 24, 2025 to August 24, 2026

Rank Assignees Code Name Patents Issued
1 H04L9/40 Network security protocols 15,048
2 G06N20/00 Machine learning 12,828
3 A61B5/00 Medical measurements for diagnostic or identification purposes 11,798
4 H04L5/00 Digital Information transmission arrangements 10,819
5 G06T7/00 Image analysis 9,931
6 A61P35/00 Antineoplastic agents for therapeutic or medicinal preparations 9,683
7 Y02E60/10 Energy storage using batteries 8,249
8 G06F3/01 Human/computer interaction arrangements 8,235
9 G06V10/82 Video processing using neural networks 8,012
10 G06T2207/20081 Algorithms for training image processing systems 7,508
11 A61K9/00 Medicinal preparations characterised by special physical form 7,215
12 G06N3/08 Learning methods for artificial neural networks 7,185
13 G06F3/06 Electronic data storage arrangements 7,009
14 G06T2207/20084 Artificial neural networks [ANN] 6,849
15 H01L23/00 Semiconductor or other solid state devices 6,820
16 G06F21/62 Protecting access to data via a platform, e.g. using keys or access control rules 6,532
17 H04L9/32 including means for verifying the identity or authority of a user of the system; or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials 6,408
18 G06N3/045 Combinations of networks 6,266
19 A61K45/06 Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca 6,069
20 H01M10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries 5,780