- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/592 - 9,10-Secoergostane derivatives, e.g. ergocalciferol, vitamin D2
Patent holdings for IPC class A61K 31/592
Total number of patents in this class: 281
10-year publication summary
|
31
|
28
|
39
|
32
|
28
|
21
|
24
|
25
|
19
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EirGen Pharma Limited | 88 |
26 |
| Société des Produits Nestlé S.A. | 9245 |
14 |
| Opko Ireland Global Holdings, Ltd. | 21 |
9 |
| Wisconsin Alumni Research Foundation | 3820 |
8 |
| DSM IP Assets B.V. | 5802 |
7 |
| N.V. Nutricia | 1042 |
7 |
| The Salk Institute for Biological Studies | 450 |
6 |
| Nestec S.A. | 2707 |
5 |
| Diamyd Medical AB, AKA Diamyd | 27 |
5 |
| Opko Renal, LLC | 11 |
5 |
| ALFASIGMA S.p.A. | 506 |
4 |
| Cytochroma Inc. | 19 |
4 |
| The University of Sydney | 577 |
4 |
| Entia Biosciences, Inc., FORMERLY Total Nutraceutical Solutions, Inc. | 6 |
3 |
| Obschestvo S Ogranichennoj Otvetstvennost'ju "parafarm" | 9 |
3 |
| Obshestvo S Ogranichennoj Otvetstvennostju "parafarm" | 28 |
3 |
| ESSERRE PHARMA S.r.l. | 23 |
3 |
| Nutritional Growth Solutions Ltd | 6 |
3 |
| The Bioregentech Institute, Inc. | 15 |
3 |
| The Procter & Gamble Company | 22146 |
2 |
| Other owners | 157 |