- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/335 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
Patent holdings for IPC class A61K 31/335
Total number of patents in this class: 985
10-year publication summary
|
55
|
59
|
65
|
55
|
58
|
28
|
63
|
92
|
58
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Currax Pharmaceuticals LLC | 69 |
34 |
| Glenmark Specialty S.A. | 80 |
21 |
| Ono Pharmaceutical Co., Ltd. | 422 |
14 |
| The Regents of the University of California | 20720 |
11 |
| The Johns Hopkins University | 5875 |
11 |
| ProCom One, Inc. | 9 |
9 |
| Alcon, Inc. | 5848 |
8 |
| Canopy Growth Corporation | 212 |
8 |
| Alcon Research, Ltd. | 338 |
7 |
| Pfizer Inc. | 3384 |
6 |
| The Trustees of Columbia University in the City of New York | 3643 |
6 |
| Bioprojet | 39 |
6 |
| Corsair Pharma, Inc. | 37 |
6 |
| Kyushu University, National University Corporation | 1707 |
6 |
| Northwestern University | 3540 |
5 |
| Immuneering Corporation | 26 |
5 |
| Nippon Chemiphar Co., Ltd. | 226 |
5 |
| Tufts Medical Center, Inc. | 234 |
5 |
| University of Tennessee Research Foundation | 758 |
5 |
| Yale University | 2527 |
5 |
| Other owners | 802 |