- 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: 4401
10-year publication summary
|
301
|
347
|
401
|
389
|
462
|
478
|
403
|
455
|
444
|
335
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MannKind Corporation | 560 |
41 |
| Regeneron Pharmaceuticals, Inc. | 4790 |
33 |
| Eagle Pharmaceuticals, Inc. | 102 |
31 |
| Nitto Denko Corporation | 8565 |
29 |
| Janssen Biotech, Inc. | 1785 |
29 |
| Indivior UK Limited | 191 |
28 |
| Merck Sharp & Dohme LLC | 3738 |
26 |
| Modernatx, Inc. | 1282 |
25 |
| NOK Corporation | 2316 |
25 |
| Novartis AG | 10175 |
24 |
| Genentech, Inc. | 4119 |
24 |
| FUJIFILM Corporation | 30628 |
23 |
| Takeda Pharmaceutical Company Limited | 2699 |
23 |
| Intervet Inc. | 932 |
23 |
| National University Corporation Chiba University | 503 |
23 |
| Hanmi Pharm. Co., Ltd. | 602 |
22 |
| Daiichi Sankyo Company, Limited | 1891 |
21 |
| Massachusetts Institute of Technology | 10285 |
20 |
| NeuroDerm, Ltd. | 142 |
20 |
| Amarin Pharmaceuticals Ireland Limited | 271 |
19 |
| Other owners | 3892 |