- 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: 2896
10-year publication summary
|
230
|
263
|
273
|
268
|
274
|
307
|
283
|
244
|
212
|
97
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4486 |
48 |
| BPGbio Inc. | 93 |
26 |
| PTC Therapeutics, Inc. | 481 |
24 |
| DSM IP Assets B.V. | 5659 |
23 |
| Golden Biotechnology Corporation | 32 |
22 |
| Lantern Pharma Inc. | 75 |
21 |
| Epizon Pharma, Inc. | 32 |
18 |
| Société des Produits Nestlé S.A. | 9208 |
16 |
| The Regents of the University of California | 19812 |
15 |
| Indiana University Research and Technology Corporation | 796 |
15 |
| U.S. Nutraceuticals, L.L.C., DBA Valensa International | 27 |
15 |
| Berg LLC | 70 |
13 |
| Ic-medtech Corporation | 19 |
12 |
| LTS Lohmann Therapie-Systeme AG | 692 |
12 |
| University of South Florida | 1812 |
11 |
| AF Chemicals LLC | 17 |
11 |
| Pellficure Pharmaceuticals, Inc. | 14 |
11 |
| Taisho Pharmaceutical Co., Ltd. | 862 |
11 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2837 |
11 |
| U.S. NUTRACEUTICALS, LLC d/b/a Valensa International | 24 |
11 |
| Other owners | 2550 |