- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/688 - Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols both hydroxy compounds having nitrogen atoms, e.g. sphingomyelins
Patent holdings for IPC class A61K 31/688
Total number of patents in this class: 157
10-year publication summary
|
10
|
13
|
21
|
5
|
7
|
15
|
5
|
16
|
13
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Combioxin SA | 10 |
9 |
| Kao Corporation | 4982 |
7 |
| Gilead Sciences, Inc. | 2060 |
6 |
| Société des Produits Nestlé S.A. | 9339 |
5 |
| ABIONYX Pharma SA | 45 |
5 |
| The Regents of the University of California | 20137 |
4 |
| Meiji Co., Ltd. | 734 |
4 |
| N.V. Nutricia | 1064 |
4 |
| Mead Johnson Nutrition Company | 151 |
3 |
| Schepens Eye Research Institute | 66 |
3 |
| Universiteit Antwerpen | 383 |
3 |
| Machavert Pharmaceuticals LLC | 3 |
3 |
| Nestec S.A. | 2647 |
2 |
| The Trustees of the University of Pennsylvania | 4354 |
2 |
| Cellectar Biosciences, Inc. | 27 |
2 |
| Cerenis Therapeutics Holding SA | 25 |
2 |
| The Cleveland Clinic Foundation | 1572 |
2 |
| Fonterra Co-operative Group Limited | 114 |
2 |
| FrieslandCampina Nederland B.V. | 730 |
2 |
| Geron Corporation | 166 |
2 |
| Other owners | 85 |