- 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: 2550
10-year publication summary
|
147
|
148
|
171
|
161
|
120
|
142
|
134
|
146
|
185
|
181
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Janssen Pharmaceutica N.V. | 3349 |
44 |
| Bristol-myers Squibb Company | 4848 |
38 |
| Novartis AG | 10656 |
33 |
| LG Chem, Ltd. | 17682 |
28 |
| Pfizer Inc. | 3397 |
28 |
| Takeda Pharmaceutical Company Limited | 2717 |
28 |
| Merck Sharp & Dohme LLC | 3734 |
27 |
| Astellas Pharma Inc. | 1056 |
26 |
| Boehringer Ingelheim International GmbH | 4648 |
23 |
| Abbvie Inc. | 1812 |
22 |
| Les Laboratoires Servier | 522 |
20 |
| Ardelyx, Inc. | 115 |
19 |
| Taisho Pharmaceutical Co., Ltd. | 858 |
19 |
| F. Hoffmann-La Roche AG | 7932 |
17 |
| Vernalis (R&D) Limited | 134 |
17 |
| ChemoCentryx, Inc. | 378 |
16 |
| KalVista Pharmaceuticals Limited | 113 |
16 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 840 |
16 |
| The Regents of the University of California | 20230 |
15 |
| Bioaxone Biosciences Inc. | 23 |
15 |
| Other owners | 2083 |