Top CPC Classifications
Showing top 20 classifications by patent count from October 04, 2025 to October 04, 2026
| Rank | Assignees | Code | Name | Patents Issued |
| 1 | H04L9/40 | Network security protocols | 15,034 | |
| 2 | G06N20/00 | Machine learning | 12,665 | |
| 3 | A61B5/00 | Medical measurements for diagnostic or identification purposes | 11,809 | |
| 4 | H04L5/00 | Digital Information transmission arrangements | 10,965 | |
| 5 | G06T7/00 | Image analysis | 10,011 | |
| 6 | A61P35/00 | Antineoplastic agents for therapeutic or medicinal preparations | 9,507 | |
| 7 | G06F3/01 | Human/computer interaction arrangements | 8,293 | |
| 8 | G06V10/82 | Video processing using neural networks | 7,997 | |
| 9 | Y02E60/10 | Energy storage using batteries | 7,699 | |
| 10 | G06T2207/20081 | Algorithms for training image processing systems | 7,539 | |
| 11 | A61K9/00 | Medicinal preparations characterised by special physical form | 7,207 | |
| 12 | G06N3/08 | Learning methods for artificial neural networks | 7,043 | |
| 13 | G06F3/06 | Electronic data storage arrangements | 6,966 | |
| 14 | G06T2207/20084 | Artificial neural networks [ANN] | 6,803 | |
| 15 | G06F21/62 | Protecting access to data via a platform, e.g. using keys or access control rules | 6,571 | |
| 16 | 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 | 6,489 | |
| 17 | H01L23/00 | Semiconductor or other solid state devices | 6,058 | |
| 18 | G06N3/045 | Combinations of networks | 6,046 | |
| 19 | H04N19/176 | the region being a block, e.g. a macroblock | 5,947 | |
| 20 | A61K45/06 | Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca | 5,912 |