Top CPC Classifications

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

Rank Assignees Code Name Patents Issued
1 H04L9/40 Network security protocols 580
2 H04L5/00 Digital Information transmission arrangements 533
3 A61B5/00 Medical measurements for diagnostic or identification purposes 521
4 H10W90/00 Package configurations 470
5 G06N20/00 Machine learning 469
6 G06T7/00 Image analysis 438
7 A61P35/00 Antineoplastic agents for therapeutic or medicinal preparations 407
8 A61K9/00 Medicinal preparations characterised by special physical form 387
9 G06F3/01 Human/computer interaction arrangements 337
10 H04N19/176 the region being a block, e.g. a macroblock 322
11 H01M10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries 321
12 H10D30/01 Manufacture of inorganic solid state field-effect transistors 313
13 H10D62/10 Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies 298
14 G06T2207/20081 Algorithms for training image processing systems 294
15 G06V10/82 Video processing using neural networks 293
16 H04B7/06 at the transmitting station 290
17 H01M2220/20 Batteries in motive systems, e.g. vehicle, ship, plane 281
18 G06F3/06 Electronic data storage arrangements 263
19 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 256
20 C07K16/28 against receptors, cell surface antigens or cell surface determinants 255