- 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: 303
10-year publication summary
|
14
|
16
|
17
|
7
|
24
|
19
|
18
|
26
|
29
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tetra Discovery Partners, LLC | 11 |
7 |
| Genentech, Inc. | 4161 |
6 |
| SHY Therapeutics LLC | 31 |
6 |
| Novartis AG | 10160 |
5 |
| F. Hoffmann-La Roche AG | 7784 |
5 |
| Hoffmann-La Roche Inc. | 3876 |
5 |
| Enanta Pharmaceuticals, Inc. | 427 |
5 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 884 |
5 |
| Glaxo Group Limited | 4361 |
4 |
| Bristol-myers Squibb Company | 4751 |
4 |
| Givaudan SA | 1991 |
4 |
| InterMune, Inc. | 46 |
4 |
| Jiangsu Hengrui Medicine Co., Ltd. | 687 |
4 |
| Nippon Soda Co., Ltd. | 884 |
4 |
| Reata Pharmaceuticals, Inc. | 108 |
4 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 737 |
4 |
| PI Industries Ltd | 209 |
4 |
| Bayer AG | 3579 |
3 |
| Bayer Pharma AG | 1002 |
3 |
| Katholieke Universiteit Leuven K.u. Leuven R & D | 202 |
3 |
| Other owners | 214 |