- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4439 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
Patent holdings for IPC class A61K 31/4439
Total number of patents in this class: 10880
10-year publication summary
|
633
|
636
|
697
|
697
|
680
|
674
|
684
|
610
|
729
|
744
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10623 |
270 |
| Takeda Pharmaceutical Company Limited | 2717 |
174 |
| Gilead Sciences, Inc. | 2094 |
147 |
| Merck Sharp & Dohme LLC | 3737 |
141 |
| Boehringer Ingelheim International GmbH | 4635 |
139 |
| F. Hoffmann-La Roche AG | 7933 |
127 |
| Bristol-myers Squibb Company | 4820 |
124 |
| AstraZeneca AB | 2858 |
110 |
| Janssen Pharmaceutica N.V. | 3351 |
90 |
| Hoffmann-La Roche Inc. | 3533 |
82 |
| Bayer Pharma AG | 1048 |
79 |
| The Regents of the University of California | 20289 |
74 |
| Vertex Pharmaceuticals Incorporated | 1628 |
73 |
| Pfizer Inc. | 3401 |
68 |
| Axsome Therapeutics, Inc. | 281 |
68 |
| Daiichi Sankyo Company, Limited | 1877 |
67 |
| Eli Lilly and Company | 3925 |
62 |
| Taisho Pharmaceutical Co., Ltd. | 860 |
60 |
| Astellas Pharma Inc. | 1057 |
53 |
| Genentech, Inc. | 4015 |
51 |
| Other owners | 8821 |