- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/5025 - PyridazinesHydrogenated pyridazines ortho- or peri-condensed with heterocyclic ring systems
Patent holdings for IPC class A61K 31/5025
Total number of patents in this class: 2482
10-year publication summary
|
98
|
120
|
130
|
115
|
158
|
150
|
150
|
184
|
255
|
226
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4845 |
55 |
| F. Hoffmann-La Roche AG | 7942 |
40 |
| Janssen Pharmaceutica N.V. | 3364 |
38 |
| Novartis AG | 10686 |
37 |
| Takeda Pharmaceutical Company Limited | 2706 |
31 |
| Gilead Sciences, Inc. | 2063 |
31 |
| Genentech, Inc. | 4005 |
30 |
| Boehringer Ingelheim International GmbH | 4641 |
28 |
| AstraZeneca AB | 2854 |
27 |
| Agios Pharmaceuticals, Inc | 213 |
25 |
| Nihon Nohyaku Co., Ltd. | 329 |
25 |
| Pfizer Inc. | 3371 |
23 |
| Hoffmann-La Roche Inc. | 3495 |
21 |
| Amgen Inc. | 4129 |
20 |
| Vanderbilt University | 1922 |
20 |
| Prelude Therapeutics, Incorporated | 138 |
19 |
| Merck Sharp & Dohme LLC | 3732 |
18 |
| Merck Patent GmbH | 5770 |
17 |
| Incyte Corporation | 1032 |
17 |
| Remix Therapeutics Inc. | 80 |
17 |
| Other owners | 1943 |