- 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: 510
10-year publication summary
|
29
|
30
|
42
|
43
|
36
|
46
|
54
|
30
|
41
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Tanabe Pharma Corporation | 578 |
35 |
| Novartis AG | 10904 |
18 |
| Novartis Pharma AG | 94 |
12 |
| Jiangsu Simcere Pharmaceutical Co., Ltd | 124 |
12 |
| Simcere Pharmaceutical Co., Ltd. | 30 |
11 |
| Laboratorios Del Dr. Esteve, S.A. | 207 |
9 |
| Ligand Pharmaceuticals Incorporated | 120 |
9 |
| The Johns Hopkins University | 5642 |
8 |
| Treeway Tw001 B.V. | 14 |
8 |
| The Regents of the University of California | 19812 |
6 |
| Albert Einstein College of Medicine, Inc. | 573 |
5 |
| Assia Chemical Industries Ltd. | 167 |
5 |
| Kowa Company, Ltd. | 1195 |
5 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 628 |
5 |
| Synthon BV | 309 |
5 |
| Metabomed Ltd. | 10 |
5 |
| Northwestern University | 3364 |
4 |
| F.I.S. Fabbrica Italiana Sintetici S.p.A. | 124 |
4 |
| Glytech, LLC | 17 |
4 |
| Jiangsu Hengrui Medicine Co., Ltd. | 706 |
4 |
| Other owners | 336 |