- 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: 155
10-year publication summary
|
10
|
16
|
22
|
8
|
8
|
18
|
5
|
18
|
13
|
9
|
| 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 | 4954 |
7 |
| Gilead Sciences, Inc. | 2027 |
6 |
| Société des Produits Nestlé S.A. | 9220 |
5 |
| The Regents of the University of California | 19839 |
4 |
| Meiji Co., Ltd. | 715 |
4 |
| N.V. Nutricia | 1057 |
4 |
| ABIONYX Pharma SA | 38 |
4 |
| Mead Johnson Nutrition Company | 156 |
3 |
| Schepens Eye Research Institute | 66 |
3 |
| Universiteit Antwerpen | 373 |
3 |
| Machavert Pharmaceuticals LLC | 3 |
3 |
| Nestec S.A. | 2678 |
2 |
| The Trustees of the University of Pennsylvania | 4315 |
2 |
| Cellectar Biosciences, Inc. | 27 |
2 |
| Cerenis Therapeutics Holding SA | 30 |
2 |
| The Cleveland Clinic Foundation | 1574 |
2 |
| Fonterra Co-operative Group Limited | 112 |
2 |
| FrieslandCampina Nederland B.V. | 732 |
2 |
| Geron Corporation | 171 |
2 |
| Other owners | 84 |