- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/68 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulfur atoms in position 2 or 4 with nitrogen atoms directly attached in position 4
Patent holdings for IPC class C07D 311/68
Total number of patents in this class: 82
10-year publication summary
|
6
|
4
|
6
|
6
|
3
|
9
|
5
|
4
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyowa Kirin Co., Ltd. | 364 |
5 |
| Proximagen Limited | 41 |
4 |
| The Regents of the University of Michigan | 4793 |
3 |
| Abbvie Inc. | 1817 |
3 |
| Auckland UniServices Limited | 496 |
3 |
| Ontario Institute for Cancer Research (oicr) | 83 |
3 |
| System Biologie AG | 39 |
3 |
| Elanco Tiergesundheit AG | 416 |
3 |
| The Regents of the University of California | 20303 |
2 |
| Amgen Inc. | 4256 |
2 |
| Takeda Pharmaceutical Company Limited | 2721 |
2 |
| Baylor College of Medicine | 972 |
2 |
| Children's Healthcare of Atlanta, Inc. | 250 |
2 |
| Emory University | 1664 |
2 |
| Eth Zurich | 1303 |
2 |
| Georgetown University | 619 |
2 |
| Polfarmex S.A. | 32 |
2 |
| Ocunexus Therapeutics, Inc. | 16 |
2 |
| Janssen Biopharma, Inc. | 40 |
2 |
| Shanghai ChemPartner Co., Ltd. | 3 |
2 |
| Other owners | 31 |