- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4704 - 2-Quinolinones, e.g. carbostyril
Patent holdings for IPC class A61K 31/4704
Total number of patents in this class: 917
10-year publication summary
|
91
|
62
|
43
|
57
|
69
|
46
|
55
|
50
|
48
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Active Biotech AB | 57 |
30 |
| Otsuka Pharmaceutical Co., Ltd. | 1504 |
24 |
| Teva Pharmaceutical Industries Ltd. | 737 |
16 |
| Novartis AG | 10511 |
15 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 203 |
15 |
| Amgen Inc. | 4278 |
14 |
| Chiesi Farmaceutici S.p.A. | 961 |
14 |
| Square Power Ltd | 14 |
13 |
| Teva Pharmaceuticals USA, Inc. | 779 |
12 |
| io Therapeutics, Inc. | 121 |
11 |
| Zydus Lifesciences Limited | 122 |
11 |
| Almirall, S.A. | 496 |
10 |
| Cipla Limited | 470 |
10 |
| Forma Therapeutics, Inc. | 154 |
9 |
| FUJIFILM Corporation | 29911 |
8 |
| Samjin Pharmaceutical Co., Ltd. | 45 |
8 |
| Trustees of Dartmouth College | 1093 |
8 |
| Centre National de La Recherche Scientifique | 10726 |
7 |
| Ocean University of China | 194 |
7 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2918 |
7 |
| Other owners | 668 |