- 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: 920
10-year publication summary
|
73
|
91
|
62
|
43
|
57
|
69
|
46
|
55
|
50
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Active Biotech AB | 58 |
30 |
| Otsuka Pharmaceutical Co., Ltd. | 1490 |
23 |
| Novartis AG | 10730 |
17 |
| Teva Pharmaceutical Industries Ltd. | 780 |
16 |
| Amgen Inc. | 4106 |
15 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 203 |
15 |
| Chiesi Farmaceutici S.p.A. | 970 |
14 |
| Square Power Ltd | 15 |
14 |
| Teva Pharmaceuticals USA, Inc. | 881 |
12 |
| io Therapeutics, Inc. | 120 |
11 |
| Almirall, S.A. | 493 |
10 |
| Cipla Limited | 465 |
10 |
| Zydus Lifesciences Limited | 115 |
10 |
| Forma Therapeutics, Inc. | 153 |
9 |
| Samjin Pharmaceutical Co., Ltd. | 43 |
9 |
| Centre National de La Recherche Scientifique | 10516 |
8 |
| FUJIFILM Corporation | 29543 |
8 |
| Trustees of Dartmouth College | 1087 |
8 |
| Kowa Company, Ltd. | 1198 |
7 |
| Ocean University of China | 193 |
7 |
| Other owners | 667 |