- 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: 2316
10-year publication summary
|
198
|
183
|
176
|
199
|
195
|
157
|
199
|
184
|
155
|
49
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Janssen Pharmaceutica N.V. | 3839 |
42 |
| Bristol-myers Squibb Company | 5080 |
39 |
| Astellas Pharma Inc. | 1145 |
35 |
| Novartis AG | 11238 |
33 |
| Takeda Pharmaceutical Company Limited | 2961 |
31 |
| Pfizer Inc. | 3322 |
30 |
| LG Chem, Ltd. | 17205 |
23 |
| Boehringer Ingelheim International GmbH | 4629 |
23 |
| Taisho Pharmaceutical Co., Ltd. | 844 |
23 |
| Merck Sharp & Dohme LLC | 3689 |
23 |
| Abbvie Inc. | 1808 |
21 |
| F. Hoffmann-La Roche AG | 7958 |
20 |
| KalVista Pharmaceuticals Limited | 111 |
19 |
| Les Laboratoires Servier | 599 |
19 |
| Ardelyx, Inc. | 109 |
18 |
| Bausch + Lomb Ireland Limited | 601 |
18 |
| Aerie Pharmaceuticals, Inc. | 131 |
17 |
| Vernalis (R&D) Limited | 138 |
17 |
| ChemoCentryx, Inc. | 400 |
16 |
| AstraZeneca AB | 3042 |
14 |
| Other owners | 1835 |