- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4725 - Non-condensed isoquinolines, e.g. papaverine containing further heterocyclic rings
Patent holdings for IPC class A61K 31/4725
Total number of patents in this class: 2519
10-year publication summary
|
183
|
175
|
198
|
193
|
152
|
208
|
184
|
171
|
191
|
143
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Janssen Pharmaceutica N.V. | 3384 |
43 |
| Bristol-myers Squibb Company | 4884 |
39 |
| Novartis AG | 10829 |
33 |
| LG Chem, Ltd. | 17639 |
29 |
| Pfizer Inc. | 3380 |
28 |
| Takeda Pharmaceutical Company Limited | 2696 |
28 |
| Astellas Pharma Inc. | 1091 |
28 |
| Merck Sharp & Dohme LLC | 3742 |
27 |
| Boehringer Ingelheim International GmbH | 4644 |
23 |
| Abbvie Inc. | 1800 |
22 |
| Les Laboratoires Servier | 540 |
20 |
| Ardelyx, Inc. | 114 |
19 |
| Taisho Pharmaceutical Co., Ltd. | 870 |
19 |
| F. Hoffmann-La Roche AG | 7920 |
18 |
| KalVista Pharmaceuticals Limited | 111 |
17 |
| ChemoCentryx, Inc. | 385 |
16 |
| Vernalis (R&D) Limited | 134 |
16 |
| The Regents of the University of California | 19943 |
15 |
| Bioaxone Biosciences Inc. | 23 |
15 |
| Vanderbilt University | 1908 |
15 |
| Other owners | 2049 |