- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4433 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a six-membered ring with oxygen as a ring hetero atom
Patent holdings for IPC class A61K 31/4433
Total number of patents in this class: 752
10-year publication summary
|
35
|
50
|
40
|
51
|
60
|
31
|
43
|
37
|
38
|
43
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10635 |
17 |
| Takeda Pharmaceutical Company Limited | 2719 |
14 |
| Epizyme, Inc. | 374 |
14 |
| Jiangsu Hengrui Medicine Co., Ltd. | 710 |
14 |
| Trevena, Inc. | 67 |
11 |
| Astellas Pharma Inc. | 1053 |
10 |
| Daiichi Sankyo Company, Limited | 1879 |
10 |
| Bristol-myers Squibb Company | 4833 |
8 |
| Ono Pharmaceutical Co., Ltd. | 427 |
8 |
| Floratek Pharma SA | 30 |
8 |
| AstraZeneca AB | 2854 |
7 |
| Boehringer Ingelheim International GmbH | 4644 |
7 |
| Abbvie Inc. | 1813 |
7 |
| Monash University | 721 |
7 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 840 |
7 |
| Fosun Orinove Pharmatech, Inc. | 13 |
7 |
| F. Hoffmann-La Roche AG | 7931 |
6 |
| Pfizer Inc. | 3403 |
6 |
| Akebia Therapeutics, Inc. | 116 |
6 |
| Constellation Pharmaceuticals, Inc. | 211 |
6 |
| Other owners | 572 |