- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/593 - 9,10-Secocholestane derivatives, e.g. cholecalciferol, vitamin D3
Patent holdings for IPC class A61K 31/593
Total number of patents in this class: 1259
10-year publication summary
|
140
|
117
|
131
|
136
|
129
|
141
|
178
|
146
|
119
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wisconsin Alumni Research Foundation | 3819 |
47 |
| DSM IP Assets B.V. | 5817 |
39 |
| EirGen Pharma Limited | 87 |
37 |
| Société des Produits Nestlé S.A. | 9224 |
35 |
| LEO Pharma A/S | 450 |
17 |
| Journey Medical Corporation | 93 |
15 |
| N.V. Nutricia | 1039 |
15 |
| Opko Ireland Global Holdings, Ltd. | 21 |
12 |
| The Board of Trustees of the Leland Stanford Junior University | 6226 |
10 |
| AMBO Innovations, LLC | 28 |
10 |
| Nulixir Inc. | 39 |
10 |
| Nestec S.A. | 2710 |
9 |
| Ldn Pharma Limited | 41 |
9 |
| The Trustees of the University of Pennsylvania | 4251 |
8 |
| Matthias W. Rath | 24 |
8 |
| Nutri Co., Ltd. | 49 |
8 |
| Opko Renal, LLC | 11 |
8 |
| URGO Recherche Innovation et Developpement | 294 |
8 |
| Albert Einstein College of Medicine, Inc. | 562 |
7 |
| Daiichi Sankyo Company, Limited | 1863 |
6 |
| Other owners | 941 |