- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/39 - Heterocyclic compounds having sulfur as a ring hetero atom having oxygen atoms in the same ring
Patent holdings for IPC class A61K 31/39
Total number of patents in this class: 105
10-year publication summary
|
4
|
7
|
4
|
8
|
6
|
5
|
4
|
12
|
12
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Geistlich Pharma AG | 166 |
7 |
| Boehringer Ingelheim International GmbH | 4748 |
5 |
| CeNeRx Biopharma, Inc. | 9 |
5 |
| Enanta Pharmaceuticals, Inc. | 427 |
4 |
| Mydecine Innovations Group Inc. | 34 |
4 |
| The Procter & Gamble Company | 22132 |
3 |
| ArQule, Inc. | 138 |
3 |
| The Cleveland Clinic Foundation | 1580 |
3 |
| Metacrine, Inc. | 33 |
3 |
| Pierre Fabre Medicament | 609 |
3 |
| Cellusion Inc. | 15 |
3 |
| Nihon Nohyaku Co., Ltd. | 315 |
2 |
| Spectrum Pharmaceuticals, Inc. | 86 |
2 |
| The University of Tokyo | 4073 |
2 |
| Yeda Research and Development Co. Ltd. | 1307 |
2 |
| Allergan, Inc. | 2432 |
1 |
| Bayer Cropscience SA | 51 |
1 |
| The Johns Hopkins University | 5543 |
1 |
| University of South Florida | 1835 |
1 |
| Adamed Sp. z o.o. | 23 |
1 |
| Other owners | 49 |