- 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: 2789
10-year publication summary
|
240
|
230
|
264
|
273
|
267
|
273
|
306
|
282
|
237
|
61
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4445 |
52 |
| BPGbio Inc. | 82 |
26 |
| PTC Therapeutics, Inc. | 492 |
25 |
| Golden Biotechnology Corporation | 32 |
22 |
| DSM IP Assets B.V. | 5856 |
21 |
| Epizon Pharma, Inc. | 30 |
18 |
| U.S. Nutraceuticals, L.L.C., DBA Valensa International | 30 |
18 |
| Société des Produits Nestlé S.A. | 9672 |
15 |
| Lantern Pharma Inc. | 62 |
15 |
| The Regents of the University of California | 18943 |
14 |
| Berg LLC | 70 |
14 |
| Indiana University Research and Technology Corporation | 808 |
13 |
| Nattopharma AS | 15 |
13 |
| Ic-medtech Corporation | 16 |
12 |
| LTS Lohmann Therapie-Systeme AG | 691 |
12 |
| University of South Florida | 1817 |
11 |
| Pellficure Pharmaceuticals, Inc. | 14 |
11 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2737 |
11 |
| U.S. NUTRACEUTICALS, LLC d/b/a Valensa International | 24 |
11 |
| President and Fellows of Harvard College | 5792 |
10 |
| Other owners | 2445 |