- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/341 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide not condensed with another ring, e.g. ranitidine, furosemide, bufetolol, muscarine
Patent holdings for IPC class A61K 31/341
Total number of patents in this class: 1910
10-year publication summary
|
126
|
137
|
130
|
159
|
131
|
153
|
113
|
115
|
111
|
68
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anavex Life Sciences Corp. | 83 |
58 |
| The Regents of the University of California | 20720 |
27 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3299 |
17 |
| The Johns Hopkins University | 5875 |
15 |
| Cardioxyl Pharmaceuticals, Inc. | 38 |
15 |
| Centre National de La Recherche Scientifique | 11016 |
12 |
| Boehringer Ingelheim International GmbH | 4493 |
11 |
| Allergan, Inc. | 2169 |
11 |
| Anji Pharmaceuticals Inc. | 31 |
11 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2999 |
10 |
| Avoscience, LLC | 12 |
9 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3337 |
9 |
| Proteostasis Therapeutics, Inc. | 69 |
9 |
| scPharmaceuticals Inc. | 43 |
9 |
| Boehringer Ingelheim Vetmedica GmbH | 1277 |
8 |
| The Regents of the University of Michigan | 4979 |
8 |
| Neoculi Pty Ltd | 18 |
8 |
| University of Rochester | 1328 |
8 |
| Bristol-myers Squibb Company | 4729 |
7 |
| Amgen Inc. | 4425 |
7 |
| Other owners | 1641 |