- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 317/72 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 spiro-condensed with carbocyclic rings
Patent holdings for IPC class C07D 317/72
Total number of patents in this class: 161
10-year publication summary
|
18
|
12
|
18
|
15
|
10
|
11
|
18
|
8
|
15
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JSR Corporation | 2517 |
15 |
| Sumitomo Chemical Company, Limited | 9046 |
11 |
| Arbutus Biopharma Corporation | 177 |
9 |
| Hyundai Pharm Co., Ltd. | 64 |
9 |
| Bayer Cropscience AG | 2035 |
6 |
| Takeda Pharmaceutical Company Limited | 2713 |
6 |
| Bayer AG | 3330 |
5 |
| University of Florida Research Foundation, Inc. | 4020 |
5 |
| Enanta Pharmaceuticals, Inc. | 428 |
5 |
| Texas Tech University System | 577 |
4 |
| Bristol-myers Squibb Company | 4898 |
3 |
| FUJIFILM Corporation | 29367 |
3 |
| Bio-Pharm Solutions Co., Ltd. | 60 |
3 |
| Sunovion Pharmaceuticals Inc. | 268 |
3 |
| LG Chem, Ltd. | 17632 |
2 |
| Boehringer Ingelheim International GmbH | 4650 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5658 |
2 |
| Biogen MA Inc. | 894 |
2 |
| Daiichi Sankyo Company, Limited | 1869 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3465 |
2 |
| Other owners | 62 |