Top Patent Classifications

Showing top 20 classifications by patent count from April 21, 2025 to April 21, 2026

Rank Classification Code Classification Name Patent Count
1 H04L9/40 Network security protocols 18,058
2 G06N20/00 Machine learning 15,386
3 A61B5/00 Medical measurements for diagnostic or identification purposes 13,917
4 H04L5/00 Digital Information transmission arrangements 12,981
5 G06T7/00 Image analysis 11,241
6 A61P35/00 Antineoplastic agents for therapeutic or medicinal preparations 10,789
7 H01L23/00 Semiconductor or other solid state devices 9,912
8 G06F3/01 Human/computer interaction arrangements 9,803
9 Y02E60/10 Energy storage using batteries 9,594
10 G06V10/82 Video processing using neural networks 9,141
11 G06N3/08 Learning methods for artificial neural networks 8,797
12 G06F3/06 Electronic data storage arrangements 8,740
13 G06T2207/20081 Algorithms for training image processing systems 8,603
14 A61K9/00 Medicinal preparations characterised by special physical form 7,979
15 H04L9/32 including means for verifying the identity or authority of a user of the syst... 7,652
16 G06T2207/20084 Artificial neural networks [ANN] 7,651
17 G06F21/62 Protecting access to data via a platform, e.g. using keys or access control r... 7,519
18 G06N3/045 Combinations of networks 7,359
19 A61K45/06 Mixtures of active ingredients without chemical characterisation, e.g. antiph... 7,027
20 H04N19/176 the region being a block, e.g. a macroblock 6,930