- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4412 - Non-condensed pyridines; Hydrogenated 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: 1422
10-year publication summary
|
93
|
103
|
97
|
129
|
124
|
122
|
115
|
113
|
62
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Epizyme, Inc. | 383 |
62 |
| F. Hoffmann-La Roche AG | 7958 |
18 |
| Taisho Pharmaceutical Co., Ltd. | 844 |
18 |
| InterMune, Inc. | 97 |
16 |
| Novartis AG | 11238 |
15 |
| Bristol-myers Squibb Company | 5080 |
15 |
| Excalibur Pharmaceuticals, Inc. | 29 |
14 |
| Takeda Pharmaceutical Company Limited | 2961 |
13 |
| AstraZeneca AB | 3042 |
12 |
| Vertex Pharmaceuticals Incorporated | 1581 |
12 |
| Celgene Corporation | 1412 |
12 |
| Memorial Sloan-Kettering Cancer Center | 1789 |
11 |
| Shionogi & Co., Ltd. | 914 |
11 |
| Boehringer Ingelheim International GmbH | 4629 |
10 |
| Bayer Pharma AG | 1096 |
10 |
| Bayer HealthCare LLC | 1415 |
10 |
| Askat Inc. | 53 |
10 |
| Chiesi Farmaceutici S.p.A. | 940 |
10 |
| Merck Sharp & Dohme LLC | 3689 |
10 |
| Pfizer Inc. | 3322 |
9 |
| Other owners | 1124 |