- 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: 1768
10-year publication summary
|
184
|
162
|
168
|
188
|
162
|
173
|
191
|
136
|
141
|
96
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5577 |
42 |
| Société des Produits Nestlé S.A. | 9322 |
37 |
| N.V. Nutricia | 1064 |
31 |
| LycoRed Ltd. | 108 |
17 |
| Abbott Laboratories | 2399 |
15 |
| HULKA S.r.l. | 36 |
12 |
| Neurelis, Inc. | 56 |
12 |
| Exerkine Corporation | 35 |
11 |
| Nestec S.A. | 2653 |
10 |
| Hill's Pet Nutrition, Inc. | 807 |
10 |
| Tasly Pharmaceutical Group Co., Ltd. | 120 |
10 |
| Enzychem Lifesciences Corporation | 64 |
9 |
| Matthias W. Rath | 24 |
9 |
| Virun, Inc. | 57 |
9 |
| Biojiva LLC | 61 |
9 |
| The Regents of the University of Michigan | 4746 |
8 |
| Canopy Growth Corporation | 223 |
8 |
| Innovative BioDefense, Inc. | 11 |
7 |
| Kobayashi Pharmaceutical Co., Ltd. | 792 |
7 |
| The Board of Regents of the University of Texas System | 2216 |
7 |
| Other owners | 1488 |