- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/505 - Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
Patent holdings for IPC class A61K 31/505
Total number of patents in this class: 5127
10-year publication summary
|
346
|
340
|
321
|
349
|
347
|
363
|
297
|
282
|
247
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4886 |
80 |
| Novartis AG | 11297 |
79 |
| Merck Sharp & Dohme LLC | 3742 |
71 |
| Rigel Pharmaceuticals, Inc. | 586 |
66 |
| Boehringer Ingelheim International GmbH | 4762 |
58 |
| Janssen Sciences Ireland Unlimited Company | 434 |
52 |
| Janssen Pharmaceutica N.V. | 3625 |
50 |
| Acetylon Pharmaceuticals, Inc. | 70 |
46 |
| Takeda Pharmaceutical Company Limited | 2945 |
44 |
| AstraZeneca AB | 2961 |
43 |
| Merck Sharp & Dohme Corp. | 2218 |
41 |
| Amarin Pharmaceuticals Ireland Limited | 268 |
39 |
| Abbvie Inc. | 1781 |
38 |
| Janssen Sciences Ireland UC | 242 |
36 |
| F. Hoffmann-La Roche AG | 7942 |
33 |
| Dana-Farber Cancer Institute, Inc. | 2531 |
30 |
| Merck Patent GmbH | 5849 |
27 |
| The Regents of the University of California | 19479 |
26 |
| FUJIFILM Corporation | 28467 |
25 |
| Signal Pharmaceuticals, LLC | 187 |
25 |
| Other owners | 4218 |