- 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: 1780
10-year publication summary
|
152
|
129
|
148
|
161
|
157
|
126
|
111
|
119
|
129
|
79
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim Vetmedica GmbH | 1274 |
37 |
| Boehringer Ingelheim International GmbH | 4479 |
25 |
| Société des Produits Nestlé S.A. | 10044 |
21 |
| Bristol-myers Squibb Company | 4757 |
21 |
| The Regents of the University of California | 20902 |
21 |
| Cmpd Licensing, LLC | 83 |
19 |
| Daewoong Pharmaceutical Co., Ltd. | 368 |
19 |
| Novartis AG | 10169 |
17 |
| AstraZeneca AB | 2823 |
14 |
| Cedars-Sinai Medical Center | 1210 |
14 |
| Daiichi Sankyo Company, Limited | 1890 |
14 |
| Medisca Pharmaceutique Inc. | 140 |
13 |
| RespiVert Ltd. | 79 |
11 |
| Centre National de La Recherche Scientifique | 11111 |
10 |
| Cornell University | 3455 |
10 |
| Enanta Pharmaceuticals, Inc. | 427 |
9 |
| Monash University | 733 |
9 |
| The General Hospital Corporation | 4890 |
8 |
| The Broad Institute, Inc. | 1990 |
8 |
| Pharma Mar, S.A. | 214 |
8 |
| Other owners | 1472 |