- 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: 910
10-year publication summary
|
75
|
85
|
101
|
68
|
46
|
66
|
93
|
54
|
53
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Active Biotech AB | 61 |
30 |
| Otsuka Pharmaceutical Co., Ltd. | 1426 |
28 |
| Novartis AG | 11238 |
21 |
| Amgen Inc. | 3779 |
17 |
| Chiesi Farmaceutici S.p.A. | 940 |
17 |
| Teva Pharmaceutical Industries Ltd. | 868 |
16 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 200 |
15 |
| Almirall, S.A. | 534 |
14 |
| Square Power Ltd | 15 |
14 |
| io Therapeutics, Inc. | 112 |
12 |
| Teva Pharmaceuticals USA, Inc. | 1040 |
12 |
| Cipla Limited | 469 |
10 |
| Forma Therapeutics, Inc. | 164 |
10 |
| Samjin Pharmaceutical Co., Ltd. | 31 |
10 |
| Trustees of Dartmouth College | 1016 |
9 |
| Centre National de La Recherche Scientifique | 9632 |
8 |
| FUJIFILM Corporation | 27102 |
8 |
| Kowa Company, Ltd. | 1172 |
8 |
| Glaxo Group Limited | 4496 |
7 |
| AstraZeneca AB | 3042 |
7 |
| Other owners | 637 |