Top Patent Classifications

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

Rank Classification Code Classification Name Patent Count
1 H04L9/40 Network security protocols 688
2 H10W90/00 Package configurations 566
3 A61B5/00 Medical measurements for diagnostic or identification purposes 540
4 G06T7/00 Image analysis 517
5 G06N20/00 Machine learning 484
6 H04L5/00 Digital Information transmission arrangements 432
7 G06F3/01 Human/computer interaction arrangements 394
8 A61K9/00 Medicinal preparations characterised by special physical form 387
9 A61P35/00 Antineoplastic agents for therapeutic or medicinal preparations 348
10 G06T2207/20081 Algorithms for training image processing systems 321
11 H04L9/32 including means for verifying the identity or authority of a user of the syst... 311
12 G06F21/62 Protecting access to data via a platform, e.g. using keys or access control r... 293
13 G06F3/06 Electronic data storage arrangements 293
14 G06T2207/20084 Artificial neural networks [ANN] 289
15 G06V10/82 Video processing using neural networks 289
16 H01M10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalati... 260
17 C07K16/28 against receptors, cell surface antigens or cell surface determinants 259
18 H04L9/08 Key distribution; or management, e.g. generation, sharing or updating, of cry... 246
19 H04N19/176 the region being a block, e.g. a macroblock 243
20 G06F9/50 Allocation of resources, e.g. of the central processing unit [CPU] 243