- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
Patent holdings for IPC class A61K 31/4985
Total number of patents in this class: 4800
10-year publication summary
|
365
|
380
|
368
|
386
|
420
|
460
|
466
|
443
|
376
|
116
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intra-Cellular Therapies, Inc. | 378 |
140 |
| Abbvie Inc. | 1808 |
94 |
| Janssen Pharmaceutica N.V. | 3839 |
91 |
| Merck Sharp & Dohme LLC | 3689 |
77 |
| Signal Pharmaceuticals, LLC | 188 |
74 |
| F. Hoffmann-La Roche AG | 7958 |
72 |
| Gilead Sciences, Inc. | 1879 |
60 |
| Boehringer Ingelheim International GmbH | 4629 |
52 |
| Novartis AG | 11238 |
48 |
| Takeda Pharmaceutical Company Limited | 2961 |
47 |
| Genentech, Inc. | 3742 |
45 |
| Hoffmann-La Roche Inc. | 3060 |
43 |
| Acerta Pharma B.V. | 58 |
40 |
| AstraZeneca AB | 3042 |
39 |
| Shionogi & Co., Ltd. | 914 |
39 |
| Merck Sharp & Dohme Corp. | 2247 |
38 |
| Bristol-myers Squibb Company | 5080 |
37 |
| Pfizer Inc. | 3322 |
37 |
| ViiV Healthcare Company | 146 |
36 |
| The Regents of the University of California | 18943 |
31 |
| Other owners | 3660 |