- 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: 5287
10-year publication summary
|
336
|
316
|
326
|
336
|
393
|
338
|
324
|
398
|
363
|
271
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10174 |
132 |
| Boehringer Ingelheim International GmbH | 4488 |
95 |
| Vertex Pharmaceuticals Incorporated | 1576 |
77 |
| Merck Sharp & Dohme LLC | 3734 |
71 |
| AstraZeneca AB | 2817 |
70 |
| Astellas Pharma Inc. | 1038 |
69 |
| Bristol-myers Squibb Company | 4757 |
61 |
| Janssen Pharmaceutica N.V. | 3150 |
58 |
| Takeda Pharmaceutical Company Limited | 2698 |
58 |
| Gilead Sciences, Inc. | 2243 |
54 |
| Amgen Inc. | 4445 |
48 |
| F. Hoffmann-La Roche AG | 7796 |
46 |
| Karyopharm Therapeutics Inc. | 145 |
46 |
| Centre National de La Recherche Scientifique | 11092 |
34 |
| Dana-Farber Cancer Institute, Inc. | 2671 |
32 |
| Merck Sharp & Dohme Corp. | 2183 |
31 |
| The Regents of the University of California | 20868 |
30 |
| Abbvie Inc. | 1798 |
28 |
| Hoffmann-La Roche Inc. | 3832 |
26 |
| Arena Pharmaceuticals, Inc. | 343 |
26 |
| Other owners | 4195 |