- 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: 4740
10-year publication summary
|
328
|
331
|
336
|
316
|
324
|
331
|
381
|
315
|
283
|
78
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 11238 |
140 |
| Boehringer Ingelheim International GmbH | 4629 |
101 |
| Vertex Pharmaceuticals Incorporated | 1581 |
86 |
| Astellas Pharma Inc. | 1145 |
76 |
| Takeda Pharmaceutical Company Limited | 2961 |
70 |
| Janssen Pharmaceutica N.V. | 3839 |
69 |
| AstraZeneca AB | 3042 |
68 |
| Merck Sharp & Dohme LLC | 3689 |
64 |
| Bristol-myers Squibb Company | 5080 |
60 |
| Amgen Inc. | 3779 |
51 |
| F. Hoffmann-La Roche AG | 7958 |
49 |
| Gilead Sciences, Inc. | 1879 |
44 |
| Abbvie Inc. | 1808 |
32 |
| Dana-Farber Cancer Institute, Inc. | 2455 |
32 |
| Merck Sharp & Dohme Corp. | 2247 |
31 |
| The Regents of the University of California | 18943 |
30 |
| Centre National de La Recherche Scientifique | 9632 |
30 |
| Karyopharm Therapeutics Inc. | 121 |
29 |
| Arena Pharmaceuticals, Inc. | 381 |
27 |
| Daiichi Sankyo Company, Limited | 1829 |
27 |
| Other owners | 3624 |