- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 217/22 - Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring
Patent holdings for IPC class C07D 217/22
Total number of patents in this class: 428
10-year publication summary
|
20
|
11
|
36
|
24
|
29
|
25
|
16
|
21
|
18
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alcon, Inc. | 5434 |
22 |
| Boehringer Ingelheim International GmbH | 4642 |
13 |
| F. Hoffmann-La Roche AG | 7947 |
11 |
| Pfizer Inc. | 3371 |
8 |
| Cornell University | 3307 |
8 |
| Genentech, Inc. | 3976 |
7 |
| Araxes Pharma LLC | 92 |
6 |
| Astellas Pharma Inc. | 1087 |
6 |
| D. Western Therapeutics Institute, Inc. | 19 |
6 |
| The Provost, Fellows, Foundation Scholars, and The Other Members of Board, of The College of The Holy and Undivided Trinity of Queen Elizabeth, Near Dublin | 165 |
6 |
| The University of Queensland | 661 |
6 |
| Merck Sharp & Dohme LLC | 3751 |
6 |
| The Regents of the University of California | 19961 |
5 |
| The Trustees of Columbia University in the City of New York | 3577 |
5 |
| Vertex Pharmaceuticals Incorporated | 1600 |
5 |
| Purdue Research Foundation | 3629 |
5 |
| Aerie Pharmaceuticals, Inc. | 42 |
5 |
| Cancer Research Technology Limited | 525 |
5 |
| Mitsubishi Tanabe Pharma Corporation | 582 |
5 |
| NY State Psychiatric Institute | 7 |
5 |
| Other owners | 283 |