- 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: 4206
10-year publication summary
|
301
|
347
|
401
|
389
|
461
|
475
|
400
|
454
|
431
|
153
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MannKind Corporation | 526 |
40 |
| Regeneron Pharmaceuticals, Inc. | 4608 |
32 |
| Eagle Pharmaceuticals, Inc. | 106 |
31 |
| Indivior UK Limited | 192 |
28 |
| Modernatx, Inc. | 1280 |
25 |
| NOK Corporation | 2287 |
25 |
| Merck Sharp & Dohme LLC | 3723 |
25 |
| Novartis AG | 10345 |
24 |
| Genentech, Inc. | 4070 |
23 |
| FUJIFILM Corporation | 30277 |
23 |
| Nitto Denko Corporation | 8470 |
23 |
| National University Corporation Chiba University | 502 |
23 |
| Takeda Pharmaceutical Company Limited | 2721 |
22 |
| Daiichi Sankyo Company, Limited | 1888 |
21 |
| Hanmi Pharm. Co., Ltd. | 593 |
21 |
| Intervet Inc. | 921 |
21 |
| Janssen Biotech, Inc. | 1671 |
21 |
| NeuroDerm, Ltd. | 143 |
21 |
| Massachusetts Institute of Technology | 10201 |
20 |
| Translate bio, Inc. | 413 |
20 |
| Other owners | 3717 |