- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 491/06 - Peri-condensed systems
Patent holdings for IPC class C07D 491/06
Total number of patents in this class: 172
10-year publication summary
|
13
|
11
|
19
|
6
|
14
|
8
|
20
|
12
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gilead Sciences, Inc. | 2036 |
23 |
| Merck Patent GmbH | 5831 |
15 |
| Alpha Cognition Inc. | 16 |
8 |
| Samsung Display Co., Ltd. | 34696 |
4 |
| BASF SE | 20933 |
4 |
| Idemitsu Kosan Co., Ltd. | 4219 |
4 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
4 |
| Mayo Foundation for Medical Education and Research | 3206 |
3 |
| Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) | 329 |
3 |
| Remix Therapeutics Inc. | 79 |
3 |
| Merck Sharp & Dohme LLC | 3748 |
3 |
| DuPont Specialty Materials Korea Ltd. | 287 |
3 |
| F. Hoffmann-La Roche AG | 7925 |
2 |
| Boehringer Ingelheim International GmbH | 4650 |
2 |
| Amgen Inc. | 4074 |
2 |
| Ecolab USA Inc. | 5480 |
2 |
| Jichi Medical University | 140 |
2 |
| London Health Sciences Centre Research Inc. | 98 |
2 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1774 |
2 |
| Medshine Discovery Inc. | 600 |
2 |
| Other owners | 79 |