- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 47/22 - Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
Patent holdings for IPC class A61K 47/22
Total number of patents in this class: 3891
10-year publication summary
|
312
|
301
|
346
|
400
|
388
|
461
|
475
|
395
|
431
|
189
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MannKind Corporation | 524 |
44 |
| Regeneron Pharmaceuticals, Inc. | 4223 |
34 |
| Modernatx, Inc. | 1260 |
28 |
| Eagle Pharmaceuticals, Inc. | 100 |
27 |
| Indivior UK Limited | 192 |
26 |
| Novartis AG | 10904 |
22 |
| Genentech, Inc. | 3961 |
22 |
| NOK Corporation | 2210 |
22 |
| Translate bio, Inc. | 414 |
22 |
| FUJIFILM Corporation | 29228 |
21 |
| Takeda Pharmaceutical Company Limited | 2704 |
21 |
| Daiichi Sankyo Company, Limited | 1852 |
21 |
| Eisai R&D Management Co., Ltd. | 1233 |
21 |
| Nitto Denko Corporation | 8182 |
20 |
| Intervet Inc. | 895 |
20 |
| National University Corporation Chiba University | 491 |
20 |
| NeuroDerm, Ltd. | 135 |
20 |
| Merck Sharp & Dohme LLC | 3741 |
20 |
| Massachusetts Institute of Technology | 10013 |
19 |
| Amarin Pharmaceuticals Ireland Limited | 269 |
19 |
| Other owners | 3422 |