- 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: 86
10-year publication summary
|
7
|
5
|
8
|
7
|
5
|
11
|
7
|
5
|
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. | 367 |
5 |
| Auckland UniServices Limited | 495 |
4 |
| Proximagen Limited | 41 |
4 |
| The Regents of the University of Michigan | 4697 |
3 |
| Abbvie Inc. | 1801 |
3 |
| Ontario Institute for Cancer Research (oicr) | 84 |
3 |
| System Biologie AG | 40 |
3 |
| Elanco Tiergesundheit AG | 415 |
3 |
| The Regents of the University of California | 19929 |
2 |
| Janssen Pharmaceutica N.V. | 3383 |
2 |
| Bayer Animal Health GmbH | 221 |
2 |
| Amgen Inc. | 4044 |
2 |
| Takeda Pharmaceutical Company Limited | 2709 |
2 |
| Baylor College of Medicine | 949 |
2 |
| Children's Healthcare of Atlanta, Inc. | 245 |
2 |
| Emory University | 1629 |
2 |
| Eth Zurich | 1275 |
2 |
| Georgetown University | 611 |
2 |
| Polfarmex S.A. | 34 |
2 |
| Ocunexus Therapeutics, Inc. | 17 |
2 |
| Other owners | 34 |