- 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: 1445
10-year publication summary
|
103
|
97
|
129
|
124
|
122
|
116
|
114
|
66
|
100
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Epizyme, Inc. | 370 |
57 |
| F. Hoffmann-La Roche AG | 7926 |
17 |
| Bristol-myers Squibb Company | 4892 |
16 |
| Taisho Pharmaceutical Co., Ltd. | 862 |
16 |
| Novartis AG | 10904 |
14 |
| Takeda Pharmaceutical Company Limited | 2704 |
13 |
| Celgene Corporation | 1416 |
13 |
| InterMune, Inc. | 57 |
13 |
| Boehringer Ingelheim International GmbH | 4704 |
12 |
| Memorial Sloan-Kettering Cancer Center | 1910 |
12 |
| Merck Sharp & Dohme LLC | 3741 |
12 |
| Yale University | 2358 |
11 |
| Excalibur Pharmaceuticals, Inc. | 25 |
11 |
| AstraZeneca AB | 2928 |
10 |
| Bayer Pharma AG | 1061 |
10 |
| Bayer HealthCare LLC | 1362 |
10 |
| Vertex Pharmaceuticals Incorporated | 1596 |
10 |
| Askat Inc. | 52 |
10 |
| Pfizer Inc. | 3367 |
9 |
| Board of Regents, The University of Texas System | 5751 |
9 |
| Other owners | 1160 |