- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 491/04 - Ortho-condensed systems
Patent holdings for IPC class C07D 491/04
Total number of patents in this class: 1169
10-year publication summary
|
87
|
52
|
59
|
88
|
70
|
70
|
66
|
82
|
64
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 5080 |
37 |
| Merck Patent GmbH | 5909 |
37 |
| F. Hoffmann-La Roche AG | 7958 |
32 |
| Janssen Pharmaceutica N.V. | 3839 |
28 |
| Genentech, Inc. | 3742 |
27 |
| Novartis AG | 11238 |
23 |
| Gilead Sciences, Inc. | 1879 |
21 |
| Boehringer Ingelheim International GmbH | 4629 |
19 |
| Merck Sharp & Dohme LLC | 3689 |
18 |
| Amura Therapeutics Limited | 15 |
12 |
| Schering Corporation | 557 |
12 |
| The Trustees of Columbia University in the City of New York | 3440 |
11 |
| Illumina Cambridge Limited | 678 |
11 |
| Rigel Pharmaceuticals, Inc. | 613 |
11 |
| Royalty Security, LLC | 24 |
11 |
| Hoffmann-La Roche Inc. | 3060 |
10 |
| BASF SE | 19740 |
10 |
| AstraZeneca AB | 3042 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| Abbvie Inc. | 1808 |
9 |
| Other owners | 811 |