- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/539 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines having two or more oxygen atoms in the same ring, e.g dioxazines
Patent holdings for IPC class A61K 31/539
Total number of patents in this class: 25
10-year publication summary
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0
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2
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0
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1
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1
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1
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4
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1
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3
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 11221 |
3 |
| Bayer AG | 3238 |
2 |
| The Broad Institute, Inc. | 1726 |
2 |
| The Procter & Gamble Company | 22121 |
1 |
| Bayer Cropscience AG | 2125 |
1 |
| FUJIFILM Corporation | 28908 |
1 |
| Dainippon Sumitomo Pharma Co., Ltd. | 208 |
1 |
| Dalian University of Technology | 1475 |
1 |
| Emory University | 1600 |
1 |
| Gilead Sciences, Inc. | 1979 |
1 |
| InterMune, Inc. | 92 |
1 |
| Liaoning Lifeng Scientific & Technology Development Company Ltd. | 11 |
1 |
| Liverpool School of Tropical Medicine | 28 |
1 |
| Peking University | 1256 |
1 |
| Sixera Pharma AB | 9 |
1 |
| The University of Liverpool | 300 |
1 |
| Hikma Pharmaceuticals USA Inc. | 155 |
1 |
| Beijing Weilanzhiyuan Medical Technology Co., Ltd. | 6 |
1 |
| Nulixir Inc. | 39 |
1 |
| Plastech Pharmaceutical Technology Co., Ltd. | 6 |
1 |
| Other owners | 1 |