- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4025 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil not condensed and containing further heterocyclic rings, e.g. cromakalim
Patent holdings for IPC class A61K 31/4025
Total number of patents in this class: 2128
10-year publication summary
|
133
|
144
|
148
|
168
|
155
|
143
|
130
|
127
|
131
|
98
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allergan, Inc. | 2345 |
46 |
| Piramal Enterprises Limited | 154 |
34 |
| Bristol-myers Squibb Company | 4884 |
33 |
| The Regents of the University of California | 19943 |
32 |
| F. Hoffmann-La Roche AG | 7920 |
31 |
| Abbvie Inc. | 1800 |
31 |
| Novartis AG | 10829 |
25 |
| Boehringer Ingelheim International GmbH | 4644 |
18 |
| Eli Lilly and Company | 3848 |
18 |
| Janssen Pharmaceutica N.V. | 3384 |
17 |
| Genzyme Corporation | 1263 |
15 |
| Sanofi | 4068 |
15 |
| Takeda Pharmaceutical Company Limited | 2696 |
14 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 829 |
14 |
| Huyabio International, LLC | 64 |
14 |
| Genentech, Inc. | 3983 |
13 |
| Chinook Therapeutics, Inc. | 37 |
13 |
| Pfizer Inc. | 3380 |
12 |
| Centre National de La Recherche Scientifique | 10442 |
12 |
| Merck Patent GmbH | 5818 |
11 |
| Other owners | 1710 |