- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 309/12 - Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
Patent holdings for IPC class C07D 309/12
Total number of patents in this class: 249
10-year publication summary
|
29
|
17
|
17
|
18
|
23
|
16
|
11
|
9
|
19
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29399 |
13 |
| Bristol-myers Squibb Company | 4893 |
8 |
| The Johns Hopkins University | 5669 |
8 |
| Cardioxyl Pharmaceuticals, Inc. | 49 |
8 |
| Boehringer Ingelheim International GmbH | 4648 |
7 |
| Chirogate International Inc. | 29 |
6 |
| Xwpharma Ltd. | 57 |
6 |
| BASF SE | 20915 |
5 |
| Gilead Apollo, LLC | 33 |
5 |
| Gilead Sciences, Inc. | 2037 |
5 |
| R-tech Ueno, Ltd. | 40 |
5 |
| Sucampo AG | 54 |
5 |
| Sumitomo Chemical Company, Limited | 9047 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3465 |
4 |
| Corteva Agriscience LLC | 2661 |
4 |
| Daiichi Sankyo Company, Limited | 1874 |
3 |
| Kyoto Pharmaceutical Industries, Ltd. | 19 |
3 |
| Takasago International Corporation | 401 |
3 |
| Univation Technologies, LLC | 636 |
3 |
| University of The Witwatersrand, Johannesburg | 147 |
3 |
| Other owners | 141 |