- 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: 10698
10-year publication summary
|
779
|
764
|
817
|
823
|
827
|
868
|
840
|
701
|
749
|
542
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10829 |
272 |
| Takeda Pharmaceutical Company Limited | 2696 |
174 |
| Gilead Sciences, Inc. | 2038 |
144 |
| Merck Sharp & Dohme LLC | 3742 |
140 |
| Boehringer Ingelheim International GmbH | 4644 |
137 |
| F. Hoffmann-La Roche AG | 7920 |
131 |
| Bristol-myers Squibb Company | 4884 |
124 |
| AstraZeneca AB | 2900 |
113 |
| Janssen Pharmaceutica N.V. | 3384 |
92 |
| Hoffmann-La Roche Inc. | 3428 |
83 |
| Bayer Pharma AG | 1047 |
80 |
| The Regents of the University of California | 19943 |
72 |
| Vertex Pharmaceuticals Incorporated | 1595 |
72 |
| Daiichi Sankyo Company, Limited | 1874 |
70 |
| Pfizer Inc. | 3380 |
63 |
| Axsome Therapeutics, Inc. | 256 |
63 |
| Eli Lilly and Company | 3848 |
61 |
| Taisho Pharmaceutical Co., Ltd. | 870 |
60 |
| Astellas Pharma Inc. | 1091 |
56 |
| Shionogi & Co., Ltd. | 851 |
51 |
| Other owners | 8640 |