- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4427 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems
Patent holdings for IPC class A61K 31/4427
Total number of patents in this class: 1482
10-year publication summary
|
61
|
80
|
70
|
70
|
91
|
73
|
68
|
79
|
78
|
59
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4867 |
55 |
| Novartis AG | 10726 |
36 |
| F. Hoffmann-La Roche AG | 7942 |
28 |
| Boehringer Ingelheim International GmbH | 4640 |
21 |
| Janssen Pharmaceutica N.V. | 3381 |
20 |
| Ono Pharmaceutical Co., Ltd. | 431 |
18 |
| Pfizer Inc. | 3364 |
17 |
| Merck Sharp & Dohme LLC | 3750 |
16 |
| Gilead Sciences, Inc. | 2042 |
15 |
| Amgen Inc. | 4097 |
14 |
| Oyster Point Pharma, Inc. | 72 |
14 |
| Rigel Pharmaceuticals, Inc. | 538 |
14 |
| Eisai R&D Management Co., Ltd. | 1229 |
14 |
| Hoffmann-La Roche Inc. | 3456 |
13 |
| Takeda Pharmaceutical Company Limited | 2707 |
13 |
| Merck Sharp & Dohme Corp. | 2191 |
12 |
| AstraZeneca AB | 2899 |
12 |
| Vertex Pharmaceuticals Incorporated | 1619 |
12 |
| Allergan, Inc. | 2339 |
10 |
| Global Blood Therapeutics, Inc. | 183 |
10 |
| Other owners | 1118 |