- 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: 1247
10-year publication summary
|
60
|
63
|
77
|
80
|
91
|
85
|
80
|
68
|
65
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xenon Pharmaceuticals Inc. | 194 |
25 |
| FibroGen, Inc. | 136 |
24 |
| Alcon, Inc. | 5554 |
22 |
| The Regents of the University of California | 20315 |
17 |
| Astellas Pharma Inc. | 1048 |
17 |
| Ardelyx, Inc. | 114 |
15 |
| Eli Lilly and Company | 3951 |
15 |
| Celgene Quanticel Research, Inc. | 160 |
13 |
| Novartis AG | 10511 |
12 |
| sanofi-aventis | 344 |
11 |
| Janssen Pharmaceutica N.V. | 3345 |
9 |
| Boehringer Ingelheim International GmbH | 4596 |
8 |
| Takeda Pharmaceutical Company Limited | 2709 |
8 |
| Vertex Pharmaceuticals Incorporated | 1628 |
8 |
| Shanghai Zhimeng Biopharma Inc. | 34 |
8 |
| Actelion Pharmaceuticals Ltd | 524 |
7 |
| Alcon, Inc. | 355 |
7 |
| Cornell University | 3369 |
7 |
| Epizyme, Inc. | 371 |
7 |
| Kowa Company, Ltd. | 1215 |
7 |
| Other owners | 1000 |