- All sections
- C - Chemistry; metallurgy
- 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: 253
10-year publication summary
|
35
|
24
|
14
|
16
|
17
|
7
|
24
|
18
|
15
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tetra Discovery Partners, LLC | 12 |
8 |
| Glaxo Group Limited | 4496 |
6 |
| Genentech, Inc. | 3742 |
6 |
| SHY Therapeutics LLC | 24 |
6 |
| Bristol-myers Squibb Company | 5080 |
5 |
| Hoffmann-La Roche Inc. | 3060 |
5 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 762 |
5 |
| Enanta Pharmaceuticals, Inc. | 420 |
4 |
| Givaudan SA | 1760 |
4 |
| InterMune, Inc. | 97 |
4 |
| Jiangsu Hengrui Medicine Co., Ltd. | 780 |
4 |
| Nippon Soda Co., Ltd. | 890 |
4 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 588 |
4 |
| Novartis AG | 11238 |
3 |
| F. Hoffmann-La Roche AG | 7958 |
3 |
| Bayer AG | 3045 |
3 |
| Bayer Pharma AG | 1096 |
3 |
| Vertex Pharmaceuticals Incorporated | 1581 |
3 |
| Arbutus Biopharma Corporation | 183 |
3 |
| Katholieke Universiteit Leuven K.u. Leuven R & D | 217 |
3 |
| Other owners | 167 |