- 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: 738
10-year publication summary
|
39
|
35
|
39
|
74
|
50
|
65
|
49
|
68
|
54
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amazentis SA | 149 |
23 |
| Immunolight, LLC | 204 |
20 |
| Murray and Poole Enterprises Limited | 23 |
13 |
| Société des Produits Nestlé S.A. | 9238 |
12 |
| Duke University | 3008 |
10 |
| Septeos | 14 |
9 |
| Pathak Holdings, LLC | 18 |
8 |
| The Regents of the University of California | 19493 |
7 |
| Cerus Corporation | 93 |
7 |
| Universidad Pablo de Olavide | 41 |
7 |
| AMOREPACIFIC Corporation | 2776 |
6 |
| Council of Scientific & Industrial Research | 1407 |
6 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 2591 |
6 |
| Sumitomo Chemical Company, Limited | 8976 |
5 |
| The Regents of the University of Michigan | 4570 |
5 |
| Halozyme, Inc. | 125 |
5 |
| Kyungsung University Industry Cooperation Foundation | 21 |
5 |
| Ludwig Institute for Cancer Research Ltd | 188 |
5 |
| National University of Singapore | 2362 |
5 |
| Universite de Liege | 258 |
5 |
| Other owners | 569 |