- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/375 - Ascorbic acid, i.e. vitamin C; Salts thereof
Patent holdings for IPC class A61K 31/375
Total number of patents in this class: 1838
10-year publication summary
|
195
|
160
|
179
|
184
|
177
|
265
|
247
|
202
|
191
|
4
|
| 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. | 5819 |
44 |
| N.V. Nutricia | 1039 |
38 |
| Société des Produits Nestlé S.A. | 9238 |
31 |
| Norgine BV | 42 |
17 |
| Matthias W. Rath | 24 |
13 |
| HeartBeet Ltd. | 17 |
12 |
| Ic-medtech Corporation | 17 |
12 |
| URGO Recherche Innovation et Developpement | 294 |
12 |
| The Board of Trustees of the Leland Stanford Junior University | 6229 |
11 |
| Nutramax Laboratories, Inc. | 251 |
10 |
| Zensun (Shanghai) Science & Technology, Co., Ltd. | 54 |
10 |
| Lion Corporation | 744 |
9 |
| Rohto Pharmaceutical Co., Ltd. | 358 |
9 |
| Kolinpharma S.p.A. | 62 |
9 |
| Lunella Biotech, Inc. | 97 |
9 |
| Nulixir Inc. | 39 |
9 |
| Shiseido Company, Ltd. | 3960 |
8 |
| Nicoventures Trading Limited | 3423 |
8 |
| Biojiva LLC | 46 |
8 |
| The Regents of the University of Michigan | 4570 |
7 |
| Other owners | 1552 |