- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/122 - Ketones having the oxygen atom directly attached to a ring, e.g. quinones, vitamin K1, anthralin
Patent holdings for IPC class A61K 31/122
Total number of patents in this class: 2965
10-year publication summary
|
208
|
242
|
252
|
242
|
248
|
284
|
273
|
231
|
212
|
164
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4605 |
46 |
| BPGbio Inc. | 97 |
27 |
| PTC Therapeutics, Inc. | 485 |
26 |
| DSM IP Assets B.V. | 5569 |
22 |
| Golden Biotechnology Corporation | 33 |
22 |
| Lantern Pharma Inc. | 77 |
21 |
| Epizon Pharma, Inc. | 33 |
19 |
| Société des Produits Nestlé S.A. | 9340 |
18 |
| The Regents of the University of California | 20172 |
15 |
| Berg LLC | 67 |
15 |
| Indiana University Research and Technology Corporation | 800 |
15 |
| U.S. Nutraceuticals, L.L.C., DBA Valensa International | 27 |
15 |
| University of South Florida | 1838 |
13 |
| Ic-medtech Corporation | 20 |
13 |
| LTS Lohmann Therapie-Systeme AG | 712 |
12 |
| AF Chemicals LLC | 17 |
11 |
| Pellficure Pharmaceuticals, Inc. | 13 |
11 |
| Taisho Pharmaceutical Co., Ltd. | 863 |
11 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2890 |
11 |
| U.S. NUTRACEUTICALS, LLC d/b/a Valensa International | 24 |
11 |
| Other owners | 2611 |