- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 209/52 - Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring condensed with a ring other than six-membered
Patent holdings for IPC class C07D 209/52
Total number of patents in this class: 525
10-year publication summary
|
36
|
32
|
35
|
30
|
25
|
20
|
24
|
39
|
38
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pfizer Inc. | 3327 |
13 |
| Otsuka America Pharmaceutical, Inc. | 71 |
12 |
| Novartis AG | 11041 |
11 |
| Boehringer Ingelheim International GmbH | 4729 |
9 |
| Cytokinetics, Inc. | 267 |
9 |
| Alkermes Pharma Ireland Limited | 273 |
8 |
| Jiangsu Hengrui Medicine Co., Ltd. | 706 |
8 |
| Les Laboratoires Servier | 544 |
8 |
| Ranbaxy Laboratories Limited | 337 |
8 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 615 |
8 |
| Sumitomo Chemical Company, Limited | 8977 |
7 |
| Amgen Inc. | 3961 |
6 |
| The General Hospital Corporation | 4662 |
6 |
| Vertex Pharmaceuticals Incorporated | 1584 |
6 |
| The Broad Institute, Inc. | 1744 |
6 |
| Schering Corporation | 486 |
6 |
| Vanderbilt University | 1834 |
6 |
| Bristol-myers Squibb Company | 4848 |
5 |
| Hoffmann-La Roche Inc. | 3341 |
5 |
| Abbott Laboratories | 2426 |
5 |
| Other owners | 373 |