- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/472 - Non-condensed isoquinolines, e.g. papaverine
Patent holdings for IPC class A61K 31/472
Total number of patents in this class: 1223
10-year publication summary
|
84
|
70
|
76
|
94
|
101
|
112
|
100
|
93
|
71
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FibroGen, Inc. | 153 |
24 |
| Xenon Pharmaceuticals Inc. | 186 |
21 |
| Alcon, Inc. | 5408 |
20 |
| The Regents of the University of California | 19859 |
19 |
| Astellas Pharma Inc. | 1088 |
17 |
| Ardelyx, Inc. | 113 |
14 |
| Eli Lilly and Company | 3829 |
14 |
| Novartis AG | 10882 |
13 |
| Celgene Quanticel Research, Inc. | 163 |
13 |
| sanofi-aventis | 374 |
11 |
| Aerie Pharmaceuticals, Inc. | 54 |
10 |
| Janssen Pharmaceutica N.V. | 3407 |
9 |
| Takeda Pharmaceutical Company Limited | 2707 |
8 |
| Vertex Pharmaceuticals Incorporated | 1595 |
8 |
| Boehringer Ingelheim International GmbH | 4705 |
7 |
| Actelion Pharmaceuticals Ltd | 532 |
7 |
| Cornell University | 3291 |
7 |
| Epizyme, Inc. | 370 |
7 |
| Kowa Company, Ltd. | 1196 |
7 |
| Mallinckrodt LLC | 132 |
7 |
| Other owners | 980 |