- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/443 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with oxygen as a ring hetero atom
Patent holdings for IPC class A61K 31/443
Total number of patents in this class: 1127
10-year publication summary
|
70
|
68
|
58
|
61
|
66
|
55
|
65
|
73
|
85
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vertex Pharmaceuticals Incorporated | 1628 |
95 |
| Novartis AG | 10511 |
36 |
| Takeda Pharmaceutical Company Limited | 2709 |
20 |
| Daiichi Sankyo Company, Limited | 1876 |
20 |
| Boehringer Ingelheim International GmbH | 4596 |
13 |
| Merck Sharp & Dohme LLC | 3737 |
13 |
| Schering Corporation | 402 |
12 |
| Bristol-myers Squibb Company | 4793 |
11 |
| Metro International Biotech, LLC | 39 |
11 |
| Allergan, Inc. | 2310 |
10 |
| Astellas Pharma Inc. | 1048 |
8 |
| Emory University | 1673 |
8 |
| Epizyme, Inc. | 371 |
8 |
| Katholieke Universiteit Leuven | 1226 |
8 |
| Zedira GmbH | 37 |
8 |
| Flatley Discovery Lab, LLC | 19 |
8 |
| F. Hoffmann-La Roche AG | 7895 |
7 |
| BASF SE | 21109 |
7 |
| The Regents of the University of California | 20315 |
7 |
| AstraZeneca AB | 2834 |
7 |
| Other owners | 810 |