- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 221/04 - Ortho- or peri-condensed ring systems
Patent holdings for IPC class C07D 221/04
Total number of patents in this class: 269
10-year publication summary
|
24
|
14
|
16
|
17
|
7
|
24
|
19
|
17
|
22
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tetra Discovery Partners, LLC | 12 |
8 |
| Glaxo Group Limited | 4281 |
6 |
| Hoffmann-La Roche Inc. | 3267 |
6 |
| Genentech, Inc. | 3869 |
6 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 806 |
6 |
| SHY Therapeutics LLC | 26 |
6 |
| Bristol-myers Squibb Company | 4863 |
5 |
| F. Hoffmann-La Roche AG | 7942 |
4 |
| Enanta Pharmaceuticals, Inc. | 422 |
4 |
| Givaudan SA | 1820 |
4 |
| InterMune, Inc. | 95 |
4 |
| Jiangsu Hengrui Medicine Co., Ltd. | 760 |
4 |
| Nippon Soda Co., Ltd. | 883 |
4 |
| Reata Pharmaceuticals, Inc. | 121 |
4 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 627 |
4 |
| Sumitomo Pharma Co., Ltd. | 633 |
4 |
| Novartis AG | 11254 |
3 |
| Bayer AG | 3209 |
3 |
| Bayer Pharma AG | 1085 |
3 |
| Vertex Pharmaceuticals Incorporated | 1568 |
3 |
| Other owners | 178 |