- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 471/04 - Ortho-condensed systems
Patent holdings for IPC class C07D 471/04
Total number of patents in this class: 25391
10-year publication summary
|
1429
|
1362
|
1531
|
1558
|
1652
|
1596
|
1710
|
1873
|
1926
|
1651
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4820 |
520 |
| Merck Patent GmbH | 5759 |
347 |
| Novartis AG | 10623 |
322 |
| F. Hoffmann-La Roche AG | 7933 |
317 |
| Merck Sharp & Dohme LLC | 3737 |
316 |
| Takeda Pharmaceutical Company Limited | 2717 |
301 |
| Janssen Pharmaceutica N.V. | 3351 |
299 |
| Boehringer Ingelheim International GmbH | 4635 |
261 |
| Incyte Corporation | 1037 |
261 |
| Hoffmann-La Roche Inc. | 3533 |
258 |
| Gilead Sciences, Inc. | 2094 |
251 |
| Amgen Inc. | 4258 |
236 |
| Genentech, Inc. | 4015 |
221 |
| Pfizer Inc. | 3401 |
200 |
| Dana-Farber Cancer Institute, Inc. | 2623 |
200 |
| AstraZeneca AB | 2858 |
180 |
| Abbvie Inc. | 1815 |
173 |
| Bayer AG | 3395 |
165 |
| Bayer Pharma AG | 1048 |
165 |
| Vertex Pharmaceuticals Incorporated | 1628 |
154 |
| Other owners | 20244 |