- 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: 341
10-year publication summary
|
27
|
22
|
28
|
19
|
23
|
19
|
14
|
25
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Biogen MA Inc. | 916 |
13 |
| Nippon Soda Co., Ltd. | 885 |
11 |
| Boehringer Ingelheim International GmbH | 4750 |
9 |
| Syngenta Participations AG | 3030 |
9 |
| Bayer Cropscience AG | 2136 |
7 |
| The Johns Hopkins University | 5535 |
5 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 674 |
5 |
| Korea Research Institute of Chemical Technology | 1340 |
5 |
| Abbvie Inc. | 1784 |
4 |
| Council of Scientific & Industrial Research | 1408 |
4 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1753 |
4 |
| Purdue Pharma L.P. | 511 |
4 |
| Bristol-myers Squibb Company | 4865 |
3 |
| BASF SE | 20421 |
3 |
| E. I. du Pont de Nemours and Company | 4249 |
3 |
| Centre National de La Recherche Scientifique | 10124 |
3 |
| Bayer AG | 3210 |
3 |
| Asahi Kasei Pharma Corporation | 138 |
3 |
| The Cleveland Clinic Foundation | 1581 |
3 |
| Exelixis, Inc. | 395 |
3 |
| Other owners | 237 |