- 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: 3041
10-year publication summary
|
263
|
275
|
268
|
274
|
308
|
284
|
245
|
230
|
206
|
128
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4745 |
38 |
| BPGbio Inc. | 115 |
33 |
| Lantern Pharma Inc. | 94 |
26 |
| DSM IP Assets B.V. | 5390 |
24 |
| Golden Biotechnology Corporation | 33 |
22 |
| PTC Therapeutics, Inc. | 470 |
22 |
| Epizon Pharma, Inc. | 35 |
20 |
| Société des Produits Nestlé S.A. | 10041 |
19 |
| Indiana University Research and Technology Corporation | 781 |
17 |
| The Regents of the University of California | 20842 |
16 |
| U.S. Nutraceuticals, L.L.C., DBA Valensa International | 26 |
15 |
| University of South Florida | 1907 |
14 |
| Berg LLC | 63 |
14 |
| Ic-medtech Corporation | 20 |
13 |
| LTS Lohmann Therapie-Systeme AG | 678 |
12 |
| The Board of Trustees of the University of Illinois | 2753 |
11 |
| AF Chemicals LLC | 17 |
11 |
| U.S. NUTRACEUTICALS, LLC d/b/a Valensa International | 24 |
11 |
| Nattopharma AS | 12 |
11 |
| Stealth Biotherapeutics Inc. | 195 |
11 |
| Other owners | 2681 |