- 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: 2648
10-year publication summary
|
176
|
199
|
197
|
158
|
212
|
188
|
175
|
201
|
235
|
163
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Janssen Pharmaceutica N.V. | 3160 |
44 |
| Bristol-myers Squibb Company | 4757 |
37 |
| Novartis AG | 10173 |
28 |
| Pfizer Inc. | 3409 |
27 |
| Merck Sharp & Dohme LLC | 3737 |
27 |
| Takeda Pharmaceutical Company Limited | 2700 |
26 |
| LG Chem, Ltd. | 17950 |
24 |
| Boehringer Ingelheim International GmbH | 4486 |
21 |
| Astellas Pharma Inc. | 1039 |
21 |
| Les Laboratoires Servier | 497 |
21 |
| Ardelyx, Inc. | 119 |
19 |
| Chugai Seiyaku Kabushiki Kaisha | 1423 |
19 |
| Gilead Sciences, Inc. | 2236 |
19 |
| Vernalis (R&D) Limited | 122 |
19 |
| Abbvie Inc. | 1799 |
18 |
| Vanderbilt University | 2028 |
18 |
| Dana-Farber Cancer Institute, Inc. | 2666 |
17 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 876 |
17 |
| Taisho Pharmaceutical Co., Ltd. | 849 |
17 |
| ChemoCentryx, Inc. | 361 |
16 |
| Other owners | 2193 |