- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 237/34 - Phthalazines with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals
Patent holdings for IPC class C07D 237/34
Total number of patents in this class: 90
10-year publication summary
|
1
|
2
|
1
|
2
|
4
|
5
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12
|
14
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amgen Inc. | 4427 |
7 |
| Mirati Therapeutics, Inc. | 285 |
7 |
| AstraZeneca AB | 2814 |
5 |
| Mitsubishi Tanabe Pharma Corporation | 403 |
5 |
| Changchun Genescience Pharmaceutical Co., Ltd. | 142 |
5 |
| Transthera Sciences (nanjing), Inc. | 79 |
4 |
| Janssen Pharmaceutica N.V. | 3168 |
3 |
| Bristol-myers Squibb Company | 4742 |
2 |
| Merck Patent GmbH | 5728 |
2 |
| Centre National de La Recherche Scientifique | 11023 |
2 |
| Abbvie Inc. | 1836 |
2 |
| Northwestern University | 3543 |
2 |
| Astellas Pharma Inc. | 1044 |
2 |
| BioTheryX, Inc. | 98 |
2 |
| Hanmi Pharmaceutical Co. Ltd. | 32 |
2 |
| Neurocrine Biosciences, Inc. | 460 |
2 |
| Rigel Pharmaceuticals, Inc. | 507 |
2 |
| Universite de Strasbourg | 711 |
2 |
| Zeon Corporation | 4147 |
2 |
| Ventus Therapeutics U.S., Inc. | 66 |
2 |
| Other owners | 28 |