- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/04 - Nitro compounds
Patent holdings for IPC class A61K 31/04
Total number of patents in this class: 715
10-year publication summary
|
37
|
39
|
53
|
57
|
35
|
53
|
41
|
37
|
31
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5659 |
23 |
| Vertex Pharmaceuticals Incorporated | 1596 |
17 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3126 |
12 |
| The Regents of the University of California | 19812 |
8 |
| Abbvie Inc. | 1802 |
8 |
| The Cleveland Clinic Foundation | 1575 |
8 |
| Nicox S.A. | 141 |
8 |
| N.V. Nutricia | 1056 |
8 |
| Ascentawits Pharmaceuticals, Ltd. | 62 |
8 |
| The Procter & Gamble Company | 22018 |
7 |
| Septeos | 14 |
7 |
| Beyondspring Pharmaceuticals, Inc. | 84 |
6 |
| North Carolina State University | 1555 |
6 |
| CJ BioScience, Inc. | 76 |
6 |
| The Johns Hopkins University | 5642 |
5 |
| Dana-Farber Cancer Institute, Inc. | 2553 |
5 |
| Northeastern University | 1175 |
5 |
| OBI Pharma, Inc. | 117 |
5 |
| SK Biopharmaceuticals Co., Ltd. | 261 |
5 |
| Janssen Pharmaceutica N.V. | 3423 |
4 |
| Other owners | 554 |