- 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: 15200
10-year publication summary
|
923
|
868
|
900
|
933
|
969
|
1040
|
929
|
1203
|
1238
|
296
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10376 |
332 |
| Bristol-myers Squibb Company | 4814 |
165 |
| Boehringer Ingelheim International GmbH | 4552 |
157 |
| Janssen Pharmaceutica N.V. | 3245 |
155 |
| AstraZeneca AB | 2845 |
147 |
| Pfizer Inc. | 3353 |
147 |
| Merck Patent GmbH | 5716 |
133 |
| Dana-Farber Cancer Institute, Inc. | 2622 |
131 |
| Merck Sharp & Dohme LLC | 3702 |
128 |
| F. Hoffmann-La Roche AG | 7832 |
126 |
| Takeda Pharmaceutical Company Limited | 2720 |
122 |
| Vertex Pharmaceuticals Incorporated | 1600 |
120 |
| The Regents of the University of California | 20473 |
118 |
| Genentech, Inc. | 4052 |
112 |
| Hoffmann-La Roche Inc. | 3665 |
102 |
| Gilead Sciences, Inc. | 2177 |
95 |
| Amgen Inc. | 4327 |
88 |
| Bayer Pharma AG | 1028 |
80 |
| Eli Lilly and Company | 4018 |
76 |
| Rigel Pharmaceuticals, Inc. | 510 |
75 |
| Other owners | 12591 |