- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 311/04 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring
Patent holdings for IPC class C07D 311/04
Total number of patents in this class: 240
10-year publication summary
|
21
|
15
|
22
|
14
|
14
|
20
|
7
|
10
|
23
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The General Hospital Corporation | 4637 |
6 |
| BIAL - Portela & CA, S.A. | 238 |
5 |
| Exerkine Corporation | 33 |
5 |
| Autifony Therapeutics Limited | 47 |
4 |
| Purisys LLC | 25 |
4 |
| AstraZeneca AB | 2961 |
3 |
| DSM IP Assets B.V. | 5817 |
3 |
| Abbvie Inc. | 1781 |
3 |
| The Broad Institute, Inc. | 1703 |
3 |
| Delivra Inc. | 28 |
3 |
| Glaceum, Inc. | 25 |
3 |
| Merck Sharp & Dohme LLC | 3742 |
3 |
| F. Hoffmann-La Roche AG | 7942 |
2 |
| The Regents of the University of California | 19479 |
2 |
| Boehringer Ingelheim International GmbH | 4762 |
2 |
| Janssen Pharmaceutica N.V. | 3625 |
2 |
| Centre National de La Recherche Scientifique | 10052 |
2 |
| Massachusetts Institute of Technology | 9903 |
2 |
| Mayo Foundation for Medical Education and Research | 3100 |
2 |
| The Administrators of the Tulane Educational Fund | 385 |
2 |
| Other owners | 179 |