- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 215/20 - Oxygen atoms
Patent holdings for IPC class C07D 215/20
Total number of patents in this class: 340
10-year publication summary
|
25
|
20
|
26
|
18
|
20
|
15
|
12
|
24
|
7
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Biogen MA Inc. | 894 |
13 |
| Nippon Soda Co., Ltd. | 895 |
11 |
| Boehringer Ingelheim International GmbH | 4642 |
9 |
| Syngenta Participations AG | 1904 |
8 |
| Bayer Cropscience AG | 2040 |
7 |
| The Johns Hopkins University | 5675 |
5 |
| Korea Research Institute of Chemical Technology | 1393 |
5 |
| Abbvie Inc. | 1800 |
4 |
| Asahi Kasei Pharma Corporation | 134 |
4 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 703 |
4 |
| Council of Scientific & Industrial Research | 1427 |
4 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1780 |
4 |
| Purdue Pharma L.P. | 501 |
4 |
| Raqualia Pharma Inc. | 122 |
4 |
| BASF SE | 20940 |
3 |
| E. I. du Pont de Nemours and Company | 4050 |
3 |
| Centre National de La Recherche Scientifique | 10464 |
3 |
| Bayer AG | 3325 |
3 |
| The Cleveland Clinic Foundation | 1571 |
3 |
| Exelixis, Inc. | 400 |
3 |
| Other owners | 236 |