- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 239/48 - Two nitrogen atoms
Patent holdings for IPC class C07D 239/48
Total number of patents in this class: 1076
10-year publication summary
|
100
|
78
|
85
|
65
|
78
|
50
|
61
|
32
|
27
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4742 |
35 |
| Signal Pharmaceuticals, LLC | 176 |
34 |
| Rigel Pharmaceuticals, Inc. | 507 |
27 |
| Boehringer Ingelheim International GmbH | 4493 |
20 |
| Novartis AG | 10262 |
18 |
| Merck Patent GmbH | 5728 |
16 |
| Janssen Sciences Ireland UC | 158 |
16 |
| Korea Research Institute of Chemical Technology | 1469 |
15 |
| Alexion Pharmaceuticals, Inc. | 648 |
14 |
| H. Lee Moffitt Cancer Center and Research Institute, Inc. | 1021 |
14 |
| Afferent Pharmaceuticals, Inc. | 24 |
12 |
| Celgene Avilomics Research, Inc. | 31 |
12 |
| Takeda Pharmaceutical Company Limited | 2712 |
11 |
| Dana-Farber Cancer Institute, Inc. | 2664 |
11 |
| Portola Pharmaceuticals, Inc. | 82 |
11 |
| Corteva Agriscience LLC | 2648 |
11 |
| Roche Palo Alto LLC | 64 |
10 |
| Genentech, Inc. | 4104 |
9 |
| AstraZeneca AB | 2814 |
9 |
| Bayer Cropscience AG | 1844 |
9 |
| Other owners | 762 |