Top CPC Classifications

Showing top 20 classifications by patent count from November 14, 2025 to November 14, 2026

Rank Assignees Code Name Patents Issued
1 H04L9/40 Network security protocols 9,590
2 A61B5/00 Medical measurements for diagnostic or identification purposes 8,044
3 H04L5/00 Digital Information transmission arrangements 7,530
4 G06N20/00 Machine learning 7,391
5 H10W90/00 Package configurations 6,682
6 G06T7/00 Image analysis 6,483
7 A61P35/00 Antineoplastic agents for therapeutic or medicinal preparations 5,647
8 G06F3/01 Human/computer interaction arrangements 5,117
9 A61K9/00 Medicinal preparations characterised by special physical form 5,035
10 G06T2207/20081 Algorithms for training image processing systems 4,678
11 G06F3/06 Electronic data storage arrangements 4,482
12 G06V10/82 Video processing using neural networks 4,460
13 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 4,256
14 G06T2207/20084 Artificial neural networks [ANN] 4,053
15 H04N19/176 the region being a block, e.g. a macroblock 3,885
16 G06F21/62 Protecting access to data via a platform, e.g. using keys or access control rules 3,878
17 H10D30/01 Manufacture of inorganic solid state field-effect transistors 3,789
18 G06N3/08 Learning methods for artificial neural networks 3,785
19 H10D62/10 Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies 3,645
20 C07K16/28 against receptors, cell surface antigens or cell surface determinants 3,614