- 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: 1780
10-year publication summary
|
138
|
168
|
126
|
136
|
130
|
158
|
131
|
148
|
101
|
28
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anavex Life Sciences Corp. | 61 |
46 |
| Cardioxyl Pharmaceuticals, Inc. | 49 |
15 |
| The Regents of the University of California | 18943 |
14 |
| Boehringer Ingelheim International GmbH | 4629 |
14 |
| The Johns Hopkins University | 5377 |
14 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 2912 |
13 |
| Allergan, Inc. | 2600 |
11 |
| Centre National de La Recherche Scientifique | 9632 |
11 |
| Astellas Pharma Inc. | 1145 |
11 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3314 |
11 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2737 |
11 |
| ADT Pharmaceuticals, LLC | 14 |
11 |
| Anji Pharmaceuticals Inc. | 38 |
11 |
| Novartis AG | 11238 |
10 |
| Boehringer Ingelheim Vetmedica GmbH | 1290 |
10 |
| Proteostasis Therapeutics, Inc. | 72 |
10 |
| Galderma Research & Development | 440 |
9 |
| Nanocopoeia, LLC. | 38 |
9 |
| University of Rochester | 1243 |
9 |
| Takeda Pharmaceutical Company Limited | 2961 |
8 |
| Other owners | 1522 |