- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 317/44 - 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 ortho- or peri-condensed with carbocyclic rings or ring systems
Patent holdings for IPC class C07D 317/44
Total number of patents in this class: 88
10-year publication summary
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4
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5
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4
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5
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3
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4
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4
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arbutus Biopharma Corporation | 176 |
9 |
| AstraZeneca AB | 2857 |
6 |
| Ocuphire Pharma, Inc. | 22 |
4 |
| Arbutus Biopharma Corporation | 39 |
4 |
| Suzhou Miracpharma Technology Co., Ltd. | 31 |
3 |
| University of Georgia Research Foundation, Inc. | 1049 |
3 |
| Janssen Pharmaceutica N.V. | 3358 |
2 |
| FUJIFILM Corporation | 29839 |
2 |
| JSR Corporation | 2542 |
2 |
| Actavis Group PTC ehf | 402 |
2 |
| Brightgene Bio-Medical Technology (Suzhou) Co., Ltd | 3 |
2 |
| Tagworks Pharmaceuticals B.V. | 53 |
2 |
| Yonsung Fine Chemical Co., Ltd. | 28 |
2 |
| Zheren Pharmaceutical Nanjing Co., Ltd | 13 |
2 |
| Shell USA, Inc. | 1257 |
2 |
| Ube Corporation | 411 |
2 |
| Bristol-myers Squibb Company | 4826 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6541 |
1 |
| Abbvie Inc. | 1817 |
1 |
| Korea Advanced Institute of Science and Technology | 4467 |
1 |
| Other owners | 35 |