- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/506 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
Patent holdings for IPC class A61K 31/506
Total number of patents in this class: 15686
10-year publication summary
|
1084
|
1035
|
1081
|
1182
|
1228
|
1250
|
1097
|
1330
|
1356
|
835
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10263 |
332 |
| Bristol-myers Squibb Company | 4729 |
167 |
| Janssen Pharmaceutica N.V. | 3171 |
156 |
| Boehringer Ingelheim International GmbH | 4493 |
152 |
| Pfizer Inc. | 3384 |
150 |
| AstraZeneca AB | 2818 |
147 |
| Merck Patent GmbH | 5725 |
135 |
| Dana-Farber Cancer Institute, Inc. | 2662 |
133 |
| Merck Sharp & Dohme LLC | 3735 |
132 |
| F. Hoffmann-La Roche AG | 7836 |
125 |
| The Regents of the University of California | 20720 |
123 |
| Takeda Pharmaceutical Company Limited | 2715 |
121 |
| Vertex Pharmaceuticals Incorporated | 1584 |
119 |
| Genentech, Inc. | 4099 |
114 |
| Hoffmann-La Roche Inc. | 3783 |
106 |
| Gilead Sciences, Inc. | 2220 |
98 |
| VeraDermics Inc. | 109 |
91 |
| Amgen Inc. | 4425 |
89 |
| Bayer Pharma AG | 1014 |
78 |
| Eli Lilly and Company | 4089 |
77 |
| Other owners | 13041 |