Top CPC Classifications
Showing top 20 classifications by patent count from September 15, 2026 to October 15, 2026
| Rank | Assignees | Code | Name | Patents Issued |
| 1 | H04L9/40 | Network security protocols | 690 | |
| 2 | H04L5/00 | Digital Information transmission arrangements | 650 | |
| 3 | A61B5/00 | Medical measurements for diagnostic or identification purposes | 632 | |
| 4 | H10W90/00 | Package configurations | 591 | |
| 5 | G06N20/00 | Machine learning | 578 | |
| 6 | G06T7/00 | Image analysis | 531 | |
| 7 | A61P35/00 | Antineoplastic agents for therapeutic or medicinal preparations | 477 | |
| 8 | A61K9/00 | Medicinal preparations characterised by special physical form | 418 | |
| 9 | H04N19/176 | the region being a block, e.g. a macroblock | 397 | |
| 10 | G06F3/01 | Human/computer interaction arrangements | 387 | |
| 11 | G06V10/82 | Video processing using neural networks | 356 | |
| 12 | H10D62/10 | Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies | 353 | |
| 13 | H10D30/01 | Manufacture of inorganic solid state field-effect transistors | 351 | |
| 14 | G06T2207/20081 | Algorithms for training image processing systems | 348 | |
| 15 | H04B7/06 | at the transmitting station | 347 | |
| 16 | H01M10/0525 | Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries | 335 | |
| 17 | G06F21/62 | Protecting access to data via a platform, e.g. using keys or access control rules | 314 | |
| 18 | G06F3/06 | Electronic data storage arrangements | 314 | |
| 19 | C07K16/28 | against receptors, cell surface antigens or cell surface determinants | 312 | |
| 20 | 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 | 308 |