- 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: 1621
10-year publication summary
|
107
|
123
|
152
|
127
|
148
|
161
|
154
|
121
|
95
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim International GmbH | 4629 |
35 |
| Boehringer Ingelheim Vetmedica GmbH | 1290 |
32 |
| Novartis AG | 11238 |
21 |
| Cmpd Licensing, LLC | 74 |
21 |
| Bristol-myers Squibb Company | 5080 |
16 |
| AstraZeneca AB | 3042 |
16 |
| Cedars-Sinai Medical Center | 1088 |
14 |
| The Regents of the University of California | 18943 |
13 |
| Daiichi Sankyo Company, Limited | 1829 |
13 |
| Pharma Mar, S.A. | 215 |
13 |
| Taisho Pharmaceutical Co., Ltd. | 844 |
11 |
| Société des Produits Nestlé S.A. | 9672 |
10 |
| Boehringer Ingelheim Pharma GmbH & Co. Kg | 790 |
10 |
| Cornell University | 3036 |
10 |
| RespiVert Ltd. | 78 |
10 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
9 |
| The Broad Institute, Inc. | 1584 |
9 |
| Medisca Pharmaceutique Inc. | 128 |
9 |
| Monash University | 685 |
9 |
| Ono Pharmaceutical Co., Ltd. | 454 |
9 |
| Other owners | 1331 |