- 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: 1842
10-year publication summary
|
168
|
124
|
137
|
128
|
159
|
128
|
151
|
113
|
112
|
59
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anavex Life Sciences Corp. | 71 |
51 |
| The Regents of the University of California | 19929 |
22 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3156 |
16 |
| Centre National de La Recherche Scientifique | 10432 |
15 |
| The Johns Hopkins University | 5669 |
15 |
| Cardioxyl Pharmaceuticals, Inc. | 49 |
15 |
| Boehringer Ingelheim International GmbH | 4648 |
13 |
| Allergan, Inc. | 2346 |
11 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2853 |
11 |
| Anji Pharmaceuticals Inc. | 34 |
11 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3366 |
10 |
| ADT Pharmaceuticals, LLC | 13 |
10 |
| Avoscience, LLC | 12 |
9 |
| Proteostasis Therapeutics, Inc. | 70 |
9 |
| University of Rochester | 1306 |
9 |
| Pxmmi, LLC | 11 |
9 |
| Novartis AG | 10850 |
8 |
| Boehringer Ingelheim Vetmedica GmbH | 1273 |
8 |
| Astellas Pharma Inc. | 1092 |
8 |
| Galderma Research & Development | 404 |
8 |
| Other owners | 1574 |