- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/655 - Azo (—N=N—), diazo (=N2), azoxy (N—O—N or N(=O)—N), azido (—N3) or diazoamino (—N=N—N) compounds
Patent holdings for IPC class A61K 31/655
Total number of patents in this class: 584
10-year publication summary
|
40
|
41
|
46
|
40
|
52
|
67
|
41
|
33
|
29
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Johns Hopkins University | 5844 |
13 |
| Ligand Pharmaceuticals Incorporated | 167 |
13 |
| Know bio, LLC | 81 |
12 |
| Kyoto University | 2898 |
8 |
| The General Hospital Corporation | 4840 |
7 |
| The Scripps Research Institute | 1343 |
7 |
| Bristol-myers Squibb Company | 4789 |
6 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2980 |
6 |
| The Regents of the University of California | 20590 |
5 |
| President and Fellows of Harvard College | 6060 |
5 |
| Boston Medical Center Corporation | 115 |
5 |
| Jiangsu Hengrui Medicine Co., Ltd. | 695 |
5 |
| Regeneron Pharmaceuticals, Inc. | 4643 |
5 |
| Salix Pharmaceuticals, Inc. | 83 |
5 |
| Merck Sharp & Dohme LLC | 3737 |
5 |
| Novartis AG | 10338 |
4 |
| Novartis Pharma AG | 184 |
4 |
| Warsaw Orthopedic, Inc. | 2804 |
4 |
| Mayo Foundation for Medical Education and Research | 3354 |
4 |
| Duke University | 3172 |
4 |
| Other owners | 457 |