- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/395 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
Patent holdings for IPC class A61K 31/395
Total number of patents in this class: 2631
10-year publication summary
|
127
|
141
|
144
|
176
|
188
|
195
|
177
|
154
|
418
|
141
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 18943 |
31 |
| Novartis AG | 11238 |
25 |
| The General Hospital Corporation | 4517 |
21 |
| Bristol-myers Squibb Company | 5080 |
20 |
| The Regents of the University of Michigan | 4409 |
20 |
| Achillion Pharmaceuticals, Inc. | 176 |
20 |
| Purdue Research Foundation | 3277 |
18 |
| Medtronic Ireland Manufacturing Unlimited Company | 154 |
18 |
| Merck Sharp & Dohme LLC | 3689 |
18 |
| The Johns Hopkins University | 5377 |
17 |
| Medshine Discovery Inc. | 581 |
17 |
| Centre National de La Recherche Scientifique | 9632 |
16 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
16 |
| Janssen Pharmaceutica N.V. | 3839 |
15 |
| Abbvie Inc. | 1808 |
15 |
| F. Hoffmann-La Roche AG | 7958 |
14 |
| Genentech, Inc. | 3742 |
14 |
| President and Fellows of Harvard College | 5792 |
14 |
| Vertex Pharmaceuticals Incorporated | 1581 |
14 |
| Dana-Farber Cancer Institute, Inc. | 2455 |
14 |
| Other owners | 2274 |