- 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: 776
10-year publication summary
|
37
|
33
|
36
|
65
|
48
|
58
|
41
|
64
|
55
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amazentis SA | 166 |
29 |
| Immunolight, LLC | 208 |
20 |
| Murray and Poole Enterprises Limited | 26 |
15 |
| Société des Produits Nestlé S.A. | 9329 |
14 |
| Duke University | 3092 |
10 |
| Pathak Holdings, LLC | 19 |
9 |
| Septeos | 14 |
9 |
| Cerus Corporation | 93 |
7 |
| Council of Scientific & Industrial Research | 1435 |
7 |
| Universidad Pablo de Olavide | 44 |
7 |
| PRG S&tech Inc. | 34 |
7 |
| The Regents of the University of California | 20153 |
6 |
| AMOREPACIFIC Corporation | 2847 |
6 |
| Daicel Corporation | 2387 |
6 |
| Ludwig Institute for Cancer Research Ltd | 189 |
6 |
| Sumitomo Chemical Company, Limited | 9092 |
5 |
| The Regents of the University of Michigan | 4752 |
5 |
| Halozyme, Inc. | 145 |
5 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 2925 |
5 |
| Kyungsung University Industry Cooperation Foundation | 21 |
5 |
| Other owners | 593 |