Top CPC Classifications

Showing top 20 classifications by patent count from July 24, 2026 to October 24, 2026

Rank Assignees Code Name Patents Issued
1 H04L9/40 Network security protocols 1,912
2 H04L5/00 Digital Information transmission arrangements 1,818
3 A61B5/00 Medical measurements for diagnostic or identification purposes 1,621
4 H10W90/00 Package configurations 1,524
5 G06N20/00 Machine learning 1,434
6 G06T7/00 Image analysis 1,383
7 A61P35/00 Antineoplastic agents for therapeutic or medicinal preparations 1,301
8 A61K9/00 Medicinal preparations characterised by special physical form 1,143
9 G06F3/01 Human/computer interaction arrangements 1,051
10 H04N19/176 the region being a block, e.g. a macroblock 967
11 H04B7/06 at the transmitting station 964
12 G06T2207/20081 Algorithms for training image processing systems 941
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 904
14 G06V10/82 Video processing using neural networks 899
15 C07K16/28 against receptors, cell surface antigens or cell surface determinants 874
16 H01M10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries 861
17 G06F3/06 Electronic data storage arrangements 840
18 H10D62/10 Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies 825
19 H10D30/01 Manufacture of inorganic solid state field-effect transistors 819
20 G06F21/62 Protecting access to data via a platform, e.g. using keys or access control rules 770