- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/351 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom not condensed with another ring
Patent holdings for IPC class A61K 31/351
Total number of patents in this class: 1703
10-year publication summary
|
123
|
152
|
129
|
148
|
160
|
157
|
127
|
104
|
110
|
74
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim Vetmedica GmbH | 1270 |
34 |
| Boehringer Ingelheim International GmbH | 4656 |
29 |
| Novartis AG | 10847 |
20 |
| Bristol-myers Squibb Company | 4878 |
19 |
| The Regents of the University of California | 19898 |
19 |
| Cmpd Licensing, LLC | 80 |
19 |
| Société des Produits Nestlé S.A. | 9270 |
17 |
| AstraZeneca AB | 2920 |
17 |
| Cedars-Sinai Medical Center | 1155 |
14 |
| Daiichi Sankyo Company, Limited | 1863 |
13 |
| Medisca Pharmaceutique Inc. | 137 |
12 |
| Pharma Mar, S.A. | 212 |
12 |
| RespiVert Ltd. | 78 |
11 |
| Cornell University | 3302 |
10 |
| Enanta Pharmaceuticals, Inc. | 428 |
9 |
| Monash University | 707 |
9 |
| Centre National de La Recherche Scientifique | 10421 |
8 |
| The Board of Trustees of the Leland Stanford Junior University | 6402 |
8 |
| The General Hospital Corporation | 4726 |
8 |
| The Broad Institute, Inc. | 1805 |
8 |
| Other owners | 1407 |