Top CPC Classifications

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

Rank Assignees Code Name Patents Issued
1 H04L5/00 Digital Information transmission arrangements 604
2 H04L9/40 Network security protocols 590
3 A61B5/00 Medical measurements for diagnostic or identification purposes 493
4 A61P35/00 Antineoplastic agents for therapeutic or medicinal preparations 459
5 H10W90/00 Package configurations 451
6 G06N20/00 Machine learning 431
7 G06T7/00 Image analysis 396
8 A61K9/00 Medicinal preparations characterised by special physical form 390
9 H04B7/06 at the transmitting station 318
10 C07K16/28 against receptors, cell surface antigens or cell surface determinants 311
11 G06F3/01 Human/computer interaction arrangements 308
12 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 279
13 H01M10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries 279
14 G06T2207/20081 Algorithms for training image processing systems 270
15 H04N19/176 the region being a block, e.g. a macroblock 263
16 G06V10/82 Video processing using neural networks 261
17 A61K45/06 Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca 259
18 H04W24/10 Scheduling measurement reports; ; Arrangements for measurement reports 248
19 G06T2207/20084 Artificial neural networks [ANN] 234
20 H04L9/08 Key distribution; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords 226