- 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: 253
10-year publication summary
|
17
|
17
|
18
|
23
|
16
|
11
|
9
|
22
|
10
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30543 |
20 |
| Bristol-myers Squibb Company | 4747 |
8 |
| The Johns Hopkins University | 5898 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3631 |
7 |
| Boehringer Ingelheim International GmbH | 4487 |
6 |
| Chirogate International Inc. | 29 |
6 |
| Xwpharma Ltd. | 65 |
6 |
| BASF SE | 21318 |
5 |
| Gilead Apollo, LLC | 33 |
5 |
| Gilead Sciences, Inc. | 2226 |
5 |
| R-tech Ueno, Ltd. | 35 |
5 |
| Sucampo AG | 53 |
5 |
| Sumitomo Chemical Company, Limited | 8968 |
4 |
| Corteva Agriscience LLC | 2640 |
4 |
| Daiichi Sankyo Company, Limited | 1890 |
3 |
| Kyoto Pharmaceutical Industries, Ltd. | 21 |
3 |
| Takasago International Corporation | 405 |
3 |
| Univation Technologies, LLC | 615 |
3 |
| University of The Witwatersrand, Johannesburg | 146 |
3 |
| Eonhf, Inc. | 45 |
3 |
| Other owners | 141 |