- 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: 14295
10-year publication summary
|
1038
|
1084
|
1032
|
1077
|
1175
|
1214
|
1238
|
1067
|
1199
|
432
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 11042 |
370 |
| Bristol-myers Squibb Company | 4848 |
168 |
| Janssen Pharmaceutica N.V. | 3436 |
163 |
| AstraZeneca AB | 2934 |
162 |
| Boehringer Ingelheim International GmbH | 4732 |
152 |
| Merck Patent GmbH | 5825 |
144 |
| Pfizer Inc. | 3331 |
142 |
| F. Hoffmann-La Roche AG | 7889 |
134 |
| Dana-Farber Cancer Institute, Inc. | 2529 |
133 |
| Merck Sharp & Dohme LLC | 3724 |
125 |
| Takeda Pharmaceutical Company Limited | 2700 |
123 |
| Vertex Pharmaceuticals Incorporated | 1585 |
122 |
| The Regents of the University of California | 19681 |
109 |
| Genentech, Inc. | 3898 |
104 |
| Amgen Inc. | 3985 |
90 |
| Hoffmann-La Roche Inc. | 3344 |
89 |
| Gilead Sciences, Inc. | 2009 |
88 |
| Bayer Pharma AG | 1058 |
84 |
| Rigel Pharmaceuticals, Inc. | 545 |
84 |
| Taisho Pharmaceutical Co., Ltd. | 853 |
78 |
| Other owners | 11631 |