- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4406 - Non-condensed pyridines; Hydrogenated derivatives thereof only substituted in position 3, e.g. zimeldine
Patent holdings for IPC class A61K 31/4406
Total number of patents in this class: 896
10-year publication summary
|
76
|
67
|
63
|
74
|
68
|
80
|
72
|
56
|
50
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Chipscreen Biosciences Co., Ltd. | 90 |
19 |
| Takeda Pharmaceutical Company Limited | 2945 |
16 |
| Syndax Pharmaceuticals, Inc. | 63 |
14 |
| Ono Pharmaceutical Co., Ltd. | 436 |
11 |
| Bristol-myers Squibb Company | 4883 |
10 |
| Huyabio International, LLC | 57 |
10 |
| The General Hospital Corporation | 4642 |
8 |
| F. Hoffmann-La Roche AG | 7939 |
7 |
| The Regents of the University of California | 19493 |
7 |
| Unigen, Inc. | 116 |
7 |
| Allergan, Inc. | 2445 |
6 |
| Centre National de La Recherche Scientifique | 10068 |
6 |
| The Johns Hopkins University | 5524 |
6 |
| Purdue Research Foundation | 3471 |
6 |
| Bayer Intellectual Property GmbH | 2572 |
5 |
| Board of Regents, The University of Texas System | 5610 |
5 |
| President and Fellows of Harvard College | 5905 |
5 |
| Astellas Pharma Inc. | 1122 |
5 |
| Cornell University | 3190 |
5 |
| Dainippon Sumitomo Pharma Co., Ltd. | 216 |
5 |
| Other owners | 733 |