- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4166 - 1,3-Diazoles having oxo groups directly attached to the heterocyclic ring, e.g. phenytoin
Patent holdings for IPC class A61K 31/4166
Total number of patents in this class: 1212
10-year publication summary
|
88
|
85
|
94
|
107
|
108
|
117
|
103
|
91
|
92
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 19730 |
36 |
| Aragon Pharmaceuticals, Inc. | 70 |
19 |
| Astellas Pharma Inc. | 1082 |
19 |
| Allergan, Inc. | 2369 |
17 |
| F. Hoffmann-La Roche AG | 7902 |
14 |
| Takeda Pharmaceutical Company Limited | 2699 |
14 |
| Yamo Pharmaceuticals LLC | 21 |
14 |
| Merck Sharp & Dohme LLC | 3718 |
14 |
| Medivation Prostate Therapeutics LLC | 16 |
12 |
| Pfizer Inc. | 3346 |
11 |
| Ovid Therapeutics Inc | 154 |
11 |
| Shiseido Company, Ltd. | 4011 |
10 |
| Signal Pharmaceuticals, LLC | 180 |
10 |
| FLE International S.r.l. | 41 |
10 |
| Jazz Pharmaceuticals Research UK Limited | 118 |
10 |
| Dana-Farber Cancer Institute, Inc. | 2539 |
9 |
| Emory University | 1617 |
9 |
| Kangpu Biopharmaceuticals, Ltd. | 36 |
9 |
| Tyme, Inc. | 38 |
9 |
| Constellation Pharmaceuticals, Inc. | 210 |
8 |
| Other owners | 947 |