- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/37 - Coumarins, e.g. psoralen
Patent holdings for IPC class A61K 31/37
Total number of patents in this class: 798
10-year publication summary
|
35
|
40
|
74
|
50
|
64
|
50
|
75
|
60
|
63
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amazentis SA | 197 |
39 |
| Immunolight, LLC | 210 |
20 |
| Murray and Poole Enterprises Limited | 28 |
16 |
| Société des Produits Nestlé S.A. | 10009 |
15 |
| Duke University | 3170 |
10 |
| Pathak Holdings, LLC | 19 |
9 |
| Septeos | 14 |
9 |
| Cerus Corporation | 96 |
8 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3148 |
8 |
| Universidad Pablo de Olavide | 45 |
8 |
| Council of Scientific & Industrial Research | 1433 |
7 |
| Daicel Corporation | 2472 |
7 |
| Ludwig Institute for Cancer Research Ltd | 193 |
7 |
| PRG S&tech Inc. | 35 |
7 |
| AMOREPACIFIC Corporation | 2890 |
6 |
| Pretzel Therapeutics, Inc. | 47 |
6 |
| The Regents of the University of California | 20587 |
5 |
| Centre National de La Recherche Scientifique | 10895 |
5 |
| Sumitomo Chemical Company, Limited | 9013 |
5 |
| The Regents of the University of Michigan | 4928 |
5 |
| Other owners | 596 |