- 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: 14761
10-year publication summary
|
862
|
923
|
868
|
900
|
932
|
968
|
1034
|
917
|
1193
|
887
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10726 |
356 |
| Bristol-myers Squibb Company | 4867 |
165 |
| Janssen Pharmaceutica N.V. | 3381 |
163 |
| AstraZeneca AB | 2899 |
160 |
| Boehringer Ingelheim International GmbH | 4640 |
158 |
| Pfizer Inc. | 3364 |
148 |
| Merck Patent GmbH | 5820 |
142 |
| Dana-Farber Cancer Institute, Inc. | 2577 |
136 |
| F. Hoffmann-La Roche AG | 7942 |
130 |
| Merck Sharp & Dohme LLC | 3750 |
129 |
| Takeda Pharmaceutical Company Limited | 2707 |
125 |
| Vertex Pharmaceuticals Incorporated | 1619 |
124 |
| The Regents of the University of California | 20035 |
112 |
| Genentech, Inc. | 3988 |
111 |
| Hoffmann-La Roche Inc. | 3456 |
94 |
| Amgen Inc. | 4097 |
89 |
| Gilead Sciences, Inc. | 2042 |
84 |
| Bayer Pharma AG | 1054 |
82 |
| Rigel Pharmaceuticals, Inc. | 538 |
80 |
| Taisho Pharmaceutical Co., Ltd. | 866 |
78 |
| Other owners | 12095 |