- 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: 1805
10-year publication summary
|
175
|
179
|
197
|
179
|
194
|
199
|
142
|
148
|
120
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5422 |
43 |
| Société des Produits Nestlé S.A. | 10043 |
38 |
| N.V. Nutricia | 1088 |
34 |
| LycoRed Ltd. | 103 |
16 |
| Abbott Laboratories | 2272 |
15 |
| Exerkine Corporation | 37 |
12 |
| HULKA S.r.l. | 36 |
12 |
| Neurelis, Inc. | 57 |
12 |
| Tasly Pharmaceutical Group Co., Ltd. | 121 |
10 |
| Biojiva LLC | 58 |
10 |
| Nestec S.A. | 2578 |
9 |
| Enzychem Lifesciences Corporation | 61 |
9 |
| Hill's Pet Nutrition, Inc. | 765 |
9 |
| Matthias W. Rath | 24 |
9 |
| Virun, Inc. | 56 |
9 |
| The Regents of the University of Michigan | 4933 |
8 |
| Canopy Growth Corporation | 208 |
8 |
| Khondrion IP B.V. | 21 |
8 |
| Quicksilver Scientific, Inc. | 101 |
8 |
| Innovative BioDefense, Inc. | 11 |
7 |
| Other owners | 1519 |