- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4412 - Non-condensed pyridinesHydrogenated derivatives thereof having oxo groups directly attached to the heterocyclic ring
Patent holdings for IPC class A61K 31/4412
Total number of patents in this class: 1508
10-year publication summary
|
97
|
129
|
124
|
122
|
116
|
115
|
69
|
103
|
86
|
53
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Epizyme, Inc. | 360 |
56 |
| F. Hoffmann-La Roche AG | 7815 |
18 |
| Bristol-myers Squibb Company | 4748 |
17 |
| Celgene Corporation | 1412 |
15 |
| Taisho Pharmaceutical Co., Ltd. | 850 |
15 |
| Novartis AG | 10178 |
14 |
| Takeda Pharmaceutical Company Limited | 2712 |
13 |
| Yale University | 2552 |
13 |
| Excalibur Pharmaceuticals, Inc. | 28 |
13 |
| Memorial Sloan-Kettering Cancer Center | 2050 |
12 |
| Merck Sharp & Dohme LLC | 3736 |
12 |
| AstraZeneca AB | 2824 |
11 |
| Boehringer Ingelheim International GmbH | 4483 |
11 |
| Chiesi Farmaceutici S.p.A. | 959 |
11 |
| Bayer HealthCare LLC | 1304 |
10 |
| Askat Inc. | 49 |
10 |
| ChemoCentryx, Inc. | 361 |
10 |
| PureTech Lyt-100, Inc. | 27 |
10 |
| Pfizer Inc. | 3404 |
9 |
| Bayer Pharma AG | 1010 |
9 |
| Other owners | 1219 |