- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/423 - Oxazoles condensed with carbocyclic rings
Patent holdings for IPC class A61K 31/423
Total number of patents in this class: 1551
10-year publication summary
|
98
|
111
|
122
|
111
|
102
|
117
|
127
|
105
|
100
|
87
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kowa Company, Ltd. | 1196 |
73 |
| Aldeyra Therapeutics, Inc. | 109 |
33 |
| Takeda Pharmaceutical Company Limited | 2696 |
25 |
| Janssen Pharmaceutica N.V. | 3384 |
22 |
| Boehringer Ingelheim International GmbH | 4644 |
18 |
| F. Hoffmann-La Roche AG | 7920 |
17 |
| Merck Sharp & Dohme LLC | 3742 |
17 |
| J-pharma Co., Ltd. | 26 |
16 |
| Novartis AG | 10829 |
15 |
| The Regents of the University of California | 19943 |
15 |
| Merck Patent GmbH | 5818 |
14 |
| GW Research Limited | 193 |
14 |
| Pfizer Inc. | 3380 |
13 |
| Shionogi & Co., Ltd. | 851 |
13 |
| Bristol-myers Squibb Company | 4884 |
11 |
| Ovid Therapeutics Inc | 154 |
11 |
| Nalpropion Pharmaceuticals LLC | 71 |
11 |
| Jazz Pharmaceuticals Research UK Limited | 220 |
11 |
| Centre National de La Recherche Scientifique | 10442 |
10 |
| Abbott Laboratories | 2405 |
9 |
| Other owners | 1183 |