- 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: 14929
10-year publication summary
|
862
|
923
|
868
|
900
|
933
|
969
|
1037
|
918
|
1195
|
1087
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10674 |
352 |
| Bristol-myers Squibb Company | 4847 |
163 |
| AstraZeneca AB | 2853 |
161 |
| Janssen Pharmaceutica N.V. | 3352 |
161 |
| Boehringer Ingelheim International GmbH | 4649 |
159 |
| Pfizer Inc. | 3388 |
154 |
| Merck Patent GmbH | 5777 |
138 |
| Dana-Farber Cancer Institute, Inc. | 2613 |
137 |
| F. Hoffmann-La Roche AG | 7944 |
129 |
| Merck Sharp & Dohme LLC | 3739 |
125 |
| Vertex Pharmaceuticals Incorporated | 1626 |
124 |
| Takeda Pharmaceutical Company Limited | 2713 |
122 |
| The Regents of the University of California | 20211 |
115 |
| Genentech, Inc. | 4017 |
110 |
| Hoffmann-La Roche Inc. | 3511 |
95 |
| Amgen Inc. | 4147 |
90 |
| Gilead Sciences, Inc. | 2065 |
86 |
| Bayer Pharma AG | 1055 |
82 |
| Rigel Pharmaceuticals, Inc. | 537 |
79 |
| Taisho Pharmaceutical Co., Ltd. | 860 |
78 |
| Other owners | 12269 |