- 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: 702
10-year publication summary
|
33
|
36
|
47
|
52
|
33
|
46
|
36
|
34
|
30
|
15
|
| 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. | 5553 |
22 |
| Vertex Pharmaceuticals Incorporated | 1623 |
13 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3205 |
12 |
| The Regents of the University of California | 20230 |
8 |
| The Cleveland Clinic Foundation | 1572 |
8 |
| Nicox S.A. | 136 |
8 |
| N.V. Nutricia | 1077 |
8 |
| Ascentawits Pharmaceuticals, Ltd. | 67 |
8 |
| The Procter & Gamble Company | 21993 |
7 |
| Septeos | 14 |
7 |
| Abbvie Inc. | 1812 |
6 |
| Beyondspring Pharmaceuticals, Inc. | 83 |
6 |
| CJ BioScience, Inc. | 77 |
6 |
| The Johns Hopkins University | 5739 |
5 |
| North Carolina State University | 1579 |
5 |
| Northeastern University | 1212 |
5 |
| OBI Pharma, Inc. | 127 |
5 |
| SK Biopharmaceuticals Co., Ltd. | 266 |
5 |
| Janssen Pharmaceutica N.V. | 3349 |
4 |
| Dana-Farber Cancer Institute, Inc. | 2615 |
4 |
| Other owners | 550 |