- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 237/22 - Nitrogen and oxygen atoms
Patent holdings for IPC class C07D 237/22
Total number of patents in this class: 116
10-year publication summary
|
6
|
8
|
4
|
15
|
5
|
10
|
14
|
5
|
2
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FMC Corporation | 813 |
7 |
| Takeda Pharmaceutical Company Limited | 2716 |
6 |
| Genentech, Inc. | 4087 |
4 |
| Janssen Pharmaceutica N.V. | 3226 |
4 |
| Jiangsu Hengrui Medicine Co., Ltd. | 695 |
4 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 686 |
4 |
| Novartis AG | 10341 |
3 |
| Bristol-myers Squibb Company | 4815 |
3 |
| Boehringer Ingelheim International GmbH | 4496 |
3 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 858 |
3 |
| Aviara Pharmaceuticals, Inc. | 5 |
3 |
| F. Hoffmann-La Roche AG | 7841 |
2 |
| Pfizer Inc. | 3370 |
2 |
| Allergan, Inc. | 2204 |
2 |
| Glaxosmithkline Intellectual Property Development Limited | 774 |
2 |
| Active Biotech AB | 57 |
2 |
| Arizona Board of Regents, a Body Corporate of The State of Arizona Acting for and on Behalf of Arizona State University | 278 |
2 |
| Astellas Pharma Inc. | 1036 |
2 |
| Biogen MA Inc. | 936 |
2 |
| China Pharmaceutical University | 352 |
2 |
| Other owners | 54 |