- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4152 - 1,2-Diazoles having oxo groups directly attached to the heterocyclic ring, e.g. antipyrine, phenylbutazone, sulfinpyrazone
Patent holdings for IPC class A61K 31/4152
Total number of patents in this class: 530
10-year publication summary
|
30
|
42
|
43
|
36
|
46
|
54
|
30
|
45
|
38
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shionogi Inc. | 41 |
21 |
| Novartis AG | 10262 |
19 |
| Mitsubishi Tanabe Pharma Corporation | 403 |
13 |
| Novartis Pharma AG | 227 |
12 |
| Jiangsu Simcere Pharmaceutical Co., Ltd | 126 |
12 |
| Simcere Pharmaceutical Co., Ltd. | 39 |
12 |
| The Johns Hopkins University | 5882 |
9 |
| Treeway Tw001 B.V. | 16 |
9 |
| Laboratorios Del Dr. Esteve, S.A. | 143 |
8 |
| Ligand Pharmaceuticals Incorporated | 167 |
8 |
| The Regents of the University of California | 20745 |
6 |
| Metabomed Ltd. | 11 |
6 |
| Assia Chemical Industries Ltd. | 235 |
5 |
| Kowa Company, Ltd. | 1235 |
5 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 712 |
5 |
| Synthon BV | 310 |
5 |
| Epivario Inc. | 6 |
5 |
| Northwestern University | 3543 |
4 |
| Albert Einstein College of Medicine, Inc. | 596 |
4 |
| F.I.S. Fabbrica Italiana Sintetici S.p.A. | 128 |
4 |
| Other owners | 358 |