- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/336 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having three-membered rings, e.g. oxirane, fumagillin
Patent holdings for IPC class A61K 31/336
Total number of patents in this class: 587
10-year publication summary
|
58
|
55
|
56
|
57
|
40
|
41
|
42
|
26
|
26
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SynDevRx, Inc. | 52 |
29 |
| The Regents of the University of California | 20590 |
17 |
| QBiotics Pty Ltd | 26 |
17 |
| Zafgen, Inc. | 32 |
14 |
| Del Mar Pharmaceuticals (BC) Ltd. | 17 |
11 |
| Onyx Therapeutics, Inc. | 67 |
8 |
| The Regents of the University of Colorado, a body corporate | 2784 |
8 |
| The Trustees of the University of Pennsylvania | 4403 |
7 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2980 |
7 |
| Arbor Pharmaceuticals, LLC | 64 |
6 |
| Children's Medical Center Corporation | 1941 |
6 |
| Florida State University Research Foundation, Inc. | 826 |
6 |
| Zafgen Corporation | 10 |
6 |
| Cornell University | 3400 |
5 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3333 |
5 |
| QBiotics Limited | 6 |
5 |
| Quadriga Biosciences, Inc. | 22 |
5 |
| Enanta Pharmaceuticals, Inc. | 433 |
4 |
| Immune Modulation, Inc. | 4 |
4 |
| Mayne Pharma LLC | 57 |
4 |
| Other owners | 413 |