- 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: 347
10-year publication summary
|
28
|
28
|
25
|
26
|
22
|
19
|
24
|
15
|
23
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Epizyme, Inc. | 365 |
17 |
| Ardelyx, Inc. | 115 |
12 |
| Alcon, Inc. | 5675 |
10 |
| Shanghai Zhimeng Biopharma Inc. | 34 |
9 |
| Xenon Pharmaceuticals Inc. | 197 |
8 |
| Janssen Pharmaceutica N.V. | 3262 |
7 |
| University of Tennessee Research Foundation | 757 |
7 |
| Biogen MA Inc. | 926 |
6 |
| Bristol-myers Squibb Company | 4821 |
5 |
| Boehringer Ingelheim International GmbH | 4567 |
5 |
| Alkermes Pharma Ireland Limited | 256 |
5 |
| Cassava Science, Inc. | 13 |
5 |
| Bausch + Lomb Ireland Limited | 733 |
5 |
| Arcus Biosciences, Inc. | 151 |
4 |
| Astellas Pharma Inc. | 1041 |
4 |
| Taisho Pharmaceutical Co., Ltd. | 861 |
4 |
| Toyama Chemical Co., Ltd. | 94 |
4 |
| Merck Sharp & Dohme LLC | 3719 |
4 |
| Novartis AG | 10420 |
3 |
| Takeda Pharmaceutical Company Limited | 2726 |
3 |
| Other owners | 220 |