- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 221/16 - Ring systems of three rings containing carbocyclic rings other than six-membered
Patent holdings for IPC class C07D 221/16
Total number of patents in this class: 112
10-year publication summary
|
6
|
6
|
4
|
6
|
4
|
5
|
10
|
4
|
4
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Sharp & Dohme Corp. | 2183 |
7 |
| Boehringer Ingelheim International GmbH | 4485 |
5 |
| Novartis AG | 10160 |
4 |
| Bristol-myers Squibb Company | 4751 |
4 |
| The Trustees of the University of Pennsylvania | 4447 |
4 |
| Merck Sharp & Dohme LLC | 3734 |
4 |
| Massachusetts Institute of Technology | 10324 |
3 |
| Universitat Zurich | 683 |
3 |
| Novartis Inflammasome Research, Inc. | 10 |
3 |
| F. Hoffmann-La Roche AG | 7784 |
2 |
| Samsung Display Co., Ltd. | 39307 |
2 |
| Merck Patent GmbH | 5761 |
2 |
| Eth Zurich | 1336 |
2 |
| H. Lee Moffitt Cancer Center and Research Institute, Inc. | 1048 |
2 |
| Japan Tobacco Inc. | 3581 |
2 |
| Oncotherapy Science, Inc. | 237 |
2 |
| Taro Pharmaceuticals Inc. | 15 |
2 |
| Torrey Pines Institute for Molecular Studies | 28 |
2 |
| Jiangsu Carephar Pharmaceutical Co., Ltd. | 20 |
2 |
| Zymedyne Therapeutics Inc. | 5 |
2 |
| Other owners | 53 |