- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/355 - Tocopherols, e.g. vitamin E
Patent holdings for IPC class A61K 31/355
Total number of patents in this class: 1740
10-year publication summary
|
173
|
204
|
174
|
179
|
197
|
178
|
192
|
197
|
135
|
50
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5856 |
39 |
| Société des Produits Nestlé S.A. | 9672 |
35 |
| N.V. Nutricia | 1022 |
31 |
| Abbott Laboratories | 2542 |
16 |
| HULKA S.r.l. | 38 |
13 |
| LycoRed Ltd. | 85 |
13 |
| Hill's Pet Nutrition, Inc. | 858 |
12 |
| GeneRx, Inc. | 17 |
12 |
| Exeltis USA, Inc. | 22 |
11 |
| Nestec S.A. | 2777 |
10 |
| Tasly Pharmaceutical Group Co., Ltd. | 115 |
10 |
| Exerkine Corporation | 32 |
9 |
| Neurelis, Inc. | 49 |
9 |
| Virun, Inc. | 60 |
9 |
| Poviva Corp. | 44 |
9 |
| Novartis AG | 11238 |
8 |
| The Regents of the University of Michigan | 4409 |
8 |
| Bionoox Suisse SA | 8 |
8 |
| Canopy Growth Corporation | 270 |
8 |
| Kobayashi Pharmaceutical Co., Ltd. | 829 |
8 |
| Other owners | 1462 |