- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 491/04 - Ortho-condensed systems
Patent holdings for IPC class C07D 491/04
Total number of patents in this class: 1083
10-year publication summary
|
59
|
89
|
70
|
70
|
67
|
86
|
73
|
70
|
50
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4764 |
35 |
| Gilead Sciences, Inc. | 2242 |
34 |
| Merck Patent GmbH | 5739 |
33 |
| Novartis AG | 10175 |
25 |
| F. Hoffmann-La Roche AG | 7800 |
25 |
| Genentech, Inc. | 4119 |
24 |
| Boehringer Ingelheim International GmbH | 4485 |
19 |
| Merck Sharp & Dohme LLC | 3738 |
19 |
| Janssen Pharmaceutica N.V. | 3160 |
16 |
| The Trustees of Columbia University in the City of New York | 3649 |
11 |
| Illumina Cambridge Limited | 697 |
11 |
| Syngenta Crop Protection AG | 6738 |
10 |
| Royalty Security, LLC | 20 |
10 |
| BASF SE | 21320 |
9 |
| LG Chem, Ltd. | 17956 |
9 |
| PTC Therapeutics, Inc. | 470 |
9 |
| Hoffmann-La Roche Inc. | 3825 |
8 |
| Samsung SDI Co., Ltd. | 10745 |
8 |
| Curis, Inc. | 130 |
8 |
| Duk San Neolux Co., Ltd. | 703 |
8 |
| Other owners | 752 |