- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 217/04 - Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ringAlkylene-bis-isoquinolines with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
Patent holdings for IPC class C07D 217/04
Total number of patents in this class: 351
10-year publication summary
|
30
|
31
|
26
|
31
|
27
|
25
|
25
|
15
|
28
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Epizyme, Inc. | 359 |
17 |
| Ardelyx, Inc. | 119 |
12 |
| Alcon, Inc. | 5848 |
10 |
| Shanghai Zhimeng Biopharma Inc. | 34 |
9 |
| Janssen Pharmaceutica N.V. | 3171 |
8 |
| Xenon Pharmaceuticals Inc. | 196 |
8 |
| Biogen MA Inc. | 937 |
6 |
| University of Tennessee Research Foundation | 758 |
6 |
| Bristol-myers Squibb Company | 4729 |
5 |
| Boehringer Ingelheim International GmbH | 4493 |
5 |
| Alkermes Pharma Ireland Limited | 254 |
5 |
| Bausch + Lomb Ireland Limited | 747 |
5 |
| Arcus Biosciences, Inc. | 164 |
4 |
| Astellas Pharma Inc. | 1043 |
4 |
| Taisho Pharmaceutical Co., Ltd. | 851 |
4 |
| Toyama Chemical Co., Ltd. | 89 |
4 |
| Cassava Science, Inc. | 14 |
4 |
| Merck Sharp & Dohme LLC | 3735 |
4 |
| Novartis AG | 10263 |
3 |
| Takeda Pharmaceutical Company Limited | 2715 |
3 |
| Other owners | 225 |