- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/475 - QuinolinesIsoquinolines having an indole ring, e.g. yohimbine, reserpine, strychnine, vinblastine
Patent holdings for IPC class A61K 31/475
Total number of patents in this class: 929
10-year publication summary
|
99
|
77
|
85
|
64
|
99
|
90
|
97
|
47
|
62
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purdue Research Foundation | 3929 |
36 |
| Pharmacyclics LLC | 241 |
16 |
| Ipsen Biopharm Limited | 370 |
11 |
| The Regents of the University of California | 20802 |
10 |
| Pfizer Inc. | 3404 |
9 |
| University of Florida Research Foundation, Inc. | 4184 |
9 |
| Emory University | 1725 |
9 |
| Daiichi Sankyo Company, Limited | 1891 |
8 |
| Oryzon Genomics S.A. | 103 |
8 |
| Bristol-myers Squibb Company | 4748 |
7 |
| Les Laboratoires Servier | 497 |
7 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 3007 |
7 |
| Crititech, Inc. | 74 |
6 |
| CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd. | 229 |
6 |
| Epizyme, Inc. | 360 |
6 |
| Janssen Biotech, Inc. | 1775 |
6 |
| Pierre Fabre Medicament | 518 |
6 |
| TopoTarget UK Limited | 14 |
6 |
| Vernalis (R&D) Limited | 123 |
6 |
| Cqens Technologies Inc. | 41 |
6 |
| Other owners | 744 |