- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/497 - Non-condensed pyrazines containing further heterocyclic rings
Patent holdings for IPC class A61K 31/497
Total number of patents in this class: 5200
10-year publication summary
|
336
|
316
|
326
|
335
|
393
|
337
|
323
|
397
|
355
|
150
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10338 |
134 |
| Boehringer Ingelheim International GmbH | 4494 |
97 |
| Vertex Pharmaceuticals Incorporated | 1589 |
78 |
| Astellas Pharma Inc. | 1035 |
71 |
| Merck Sharp & Dohme LLC | 3737 |
69 |
| AstraZeneca AB | 2830 |
67 |
| Bristol-myers Squibb Company | 4789 |
59 |
| Janssen Pharmaceutica N.V. | 3213 |
59 |
| Takeda Pharmaceutical Company Limited | 2718 |
58 |
| Gilead Sciences, Inc. | 2207 |
52 |
| Amgen Inc. | 4383 |
50 |
| F. Hoffmann-La Roche AG | 7847 |
47 |
| Karyopharm Therapeutics Inc. | 143 |
46 |
| Centre National de La Recherche Scientifique | 10914 |
33 |
| Dana-Farber Cancer Institute, Inc. | 2645 |
32 |
| Merck Sharp & Dohme Corp. | 2183 |
31 |
| Abbvie Inc. | 1837 |
31 |
| The Regents of the University of California | 20590 |
30 |
| Arena Pharmaceuticals, Inc. | 348 |
27 |
| Hoffmann-La Roche Inc. | 3726 |
26 |
| Other owners | 4103 |