- 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: 744
10-year publication summary
|
68
|
47
|
63
|
71
|
46
|
57
|
48
|
42
|
54
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10174 |
17 |
| Takeda Pharmaceutical Company Limited | 2698 |
14 |
| Epizyme, Inc. | 360 |
14 |
| Jiangsu Hengrui Medicine Co., Ltd. | 685 |
13 |
| Daiichi Sankyo Company, Limited | 1889 |
12 |
| Trevena, Inc. | 61 |
10 |
| Bristol-myers Squibb Company | 4757 |
8 |
| Astellas Pharma Inc. | 1038 |
8 |
| Ono Pharmaceutical Co., Ltd. | 422 |
8 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 876 |
8 |
| Monash University | 732 |
7 |
| Fosun Orinove Pharmatech, Inc. | 12 |
7 |
| Floratek Pharma SA | 30 |
7 |
| F. Hoffmann-La Roche AG | 7796 |
6 |
| Pfizer Inc. | 3414 |
6 |
| Akebia Therapeutics, Inc. | 125 |
6 |
| Constellation Pharmaceuticals, Inc. | 219 |
6 |
| Mochida Pharmaceutical Co., Ltd. | 340 |
6 |
| Sergeant's Pet Care Products, LLC | 118 |
6 |
| Merck Sharp & Dohme LLC | 3734 |
6 |
| Other owners | 569 |