- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/121 - Ketones acyclic
Patent holdings for IPC class A61K 31/121
Total number of patents in this class: 460
10-year publication summary
|
41
|
29
|
34
|
44
|
31
|
29
|
41
|
28
|
31
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Avexxin AS | 41 |
17 |
| Infirst Healthcare Limited | 60 |
17 |
| Rohto Pharmaceutical Co., Ltd. | 414 |
10 |
| The Regents of the University of California | 20790 |
9 |
| Axcess Global Sciences, LLC | 93 |
9 |
| Albert Einstein College of Medicine, Inc. | 596 |
8 |
| Société des Produits Nestlé S.A. | 10039 |
6 |
| University of South Florida | 1883 |
5 |
| Coyote Pharmaceuticals, Inc. | 12 |
5 |
| Suntory Holdings Limited | 2196 |
5 |
| Symrise AG | 1850 |
4 |
| Universita degli Studi di Roma "La Sapienza" | 233 |
4 |
| DSM IP Assets B.V. | 5377 |
3 |
| The Johns Hopkins University | 5898 |
3 |
| AF Chemicals LLC | 17 |
3 |
| Gambro Lundia AB | 1398 |
3 |
| MediciNova, Inc. | 91 |
3 |
| National University Corporation Kobe University | 572 |
3 |
| NeuroDerm, Ltd. | 143 |
3 |
| Neuroquest Inc. | 5 |
3 |
| Other owners | 337 |