- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
Patent holdings for IPC class C07D 401/12
Total number of patents in this class: 14927
10-year publication summary
|
978
|
1002
|
1046
|
1079
|
1029
|
955
|
1044
|
922
|
825
|
620
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4747 |
306 |
| Novartis AG | 10170 |
222 |
| Boehringer Ingelheim International GmbH | 4491 |
219 |
| Takeda Pharmaceutical Company Limited | 2709 |
178 |
| F. Hoffmann-La Roche AG | 7795 |
177 |
| Janssen Pharmaceutica N.V. | 3137 |
171 |
| Merck Sharp & Dohme LLC | 3734 |
158 |
| Pfizer Inc. | 3423 |
126 |
| Gilead Sciences, Inc. | 2256 |
126 |
| Hoffmann-La Roche Inc. | 3864 |
124 |
| Amgen Inc. | 4483 |
119 |
| Bayer Pharma AG | 1002 |
108 |
| Centre National de La Recherche Scientifique | 11133 |
106 |
| BASF SE | 21334 |
102 |
| AstraZeneca AB | 2831 |
102 |
| Merck Patent GmbH | 5751 |
101 |
| Genentech, Inc. | 4157 |
89 |
| Bayer Cropscience AG | 1820 |
82 |
| The Regents of the University of California | 20960 |
80 |
| Epizyme, Inc. | 360 |
78 |
| Other owners | 12153 |