- 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: 14410
10-year publication summary
|
1038
|
1084
|
1033
|
1077
|
1176
|
1214
|
1238
|
1069
|
1207
|
543
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10975 |
366 |
| Bristol-myers Squibb Company | 4897 |
168 |
| Janssen Pharmaceutica N.V. | 3437 |
163 |
| AstraZeneca AB | 2933 |
159 |
| Boehringer Ingelheim International GmbH | 4705 |
155 |
| Merck Patent GmbH | 5829 |
145 |
| Pfizer Inc. | 3355 |
142 |
| Dana-Farber Cancer Institute, Inc. | 2545 |
134 |
| F. Hoffmann-La Roche AG | 7908 |
133 |
| Merck Sharp & Dohme LLC | 3726 |
126 |
| Takeda Pharmaceutical Company Limited | 2703 |
123 |
| Vertex Pharmaceuticals Incorporated | 1586 |
122 |
| The Regents of the University of California | 19780 |
112 |
| Genentech, Inc. | 3927 |
105 |
| Hoffmann-La Roche Inc. | 3352 |
89 |
| Gilead Sciences, Inc. | 2019 |
88 |
| Amgen Inc. | 4012 |
87 |
| Bayer Pharma AG | 1060 |
84 |
| Rigel Pharmaceuticals, Inc. | 543 |
83 |
| Taisho Pharmaceutical Co., Ltd. | 854 |
79 |
| Other owners | 11747 |