- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/506 - Pyrimidines; Hydrogenated 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: 13201
10-year publication summary
|
1001
|
1038
|
1084
|
1031
|
1073
|
1173
|
1201
|
1193
|
928
|
287
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 11238 |
380 |
| Janssen Pharmaceutica N.V. | 3839 |
174 |
| AstraZeneca AB | 3042 |
173 |
| Bristol-myers Squibb Company | 5080 |
165 |
| Boehringer Ingelheim International GmbH | 4629 |
157 |
| Merck Patent GmbH | 5909 |
149 |
| F. Hoffmann-La Roche AG | 7958 |
134 |
| Takeda Pharmaceutical Company Limited | 2961 |
131 |
| Pfizer Inc. | 3322 |
127 |
| Vertex Pharmaceuticals Incorporated | 1581 |
121 |
| Merck Sharp & Dohme LLC | 3689 |
121 |
| Dana-Farber Cancer Institute, Inc. | 2455 |
108 |
| Rigel Pharmaceuticals, Inc. | 613 |
103 |
| Genentech, Inc. | 3742 |
93 |
| Amgen Inc. | 3779 |
93 |
| Bayer Pharma AG | 1096 |
89 |
| The Regents of the University of California | 18943 |
88 |
| Gilead Sciences, Inc. | 1879 |
83 |
| Taisho Pharmaceutical Co., Ltd. | 844 |
80 |
| Daiichi Sankyo Company, Limited | 1829 |
78 |
| Other owners | 10554 |