- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/513 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine
Patent holdings for IPC class A61K 31/513
Total number of patents in this class: 3954
10-year publication summary
|
248
|
277
|
303
|
274
|
250
|
327
|
294
|
310
|
306
|
259
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Abbvie Inc. | 1815 |
86 |
| Taisho Pharmaceutical Co., Ltd. | 860 |
56 |
| Merck Sharp & Dohme LLC | 3737 |
56 |
| Gilead Sciences, Inc. | 2094 |
53 |
| Corcept Therapeutics, Inc. | 355 |
51 |
| Immunomedics, Inc. | 260 |
44 |
| Takeda Pharmaceutical Company Limited | 2717 |
37 |
| Bristol-myers Squibb Company | 4820 |
33 |
| Boehringer Ingelheim International GmbH | 4635 |
32 |
| The Regents of the University of California | 20289 |
30 |
| F. Hoffmann-La Roche AG | 7933 |
29 |
| Novartis AG | 10623 |
28 |
| Genentech, Inc. | 4015 |
28 |
| Pfizer Inc. | 3401 |
24 |
| MyoKardia, Inc. | 112 |
24 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 2991 |
23 |
| Cipla Limited | 468 |
22 |
| Isofol Medical AB | 40 |
22 |
| Amgen Inc. | 4258 |
21 |
| Merck Sharp & Dohme Corp. | 2190 |
20 |
| Other owners | 3235 |