- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
Patent holdings for IPC class C07D 413/04
Total number of patents in this class: 4840
10-year publication summary
|
366
|
331
|
373
|
396
|
350
|
353
|
308
|
313
|
250
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4886 |
115 |
| Novartis AG | 11297 |
91 |
| BASF SE | 20367 |
86 |
| Merck Patent GmbH | 5849 |
80 |
| Bayer AG | 3202 |
71 |
| Merck Sharp & Dohme LLC | 3742 |
70 |
| Takeda Pharmaceutical Company Limited | 2945 |
66 |
| Vertex Pharmaceuticals Incorporated | 1570 |
65 |
| F. Hoffmann-La Roche AG | 7942 |
63 |
| Boehringer Ingelheim International GmbH | 4762 |
63 |
| Sumitomo Chemical Company, Limited | 8966 |
62 |
| Gilead Sciences, Inc. | 1949 |
60 |
| Syngenta Participations AG | 3039 |
51 |
| Janssen Pharmaceutica N.V. | 3625 |
44 |
| Hoffmann-La Roche Inc. | 3252 |
40 |
| Amgen Inc. | 3894 |
40 |
| Nihon Nohyaku Co., Ltd. | 315 |
38 |
| AstraZeneca AB | 2961 |
36 |
| Syngenta Crop Protection AG | 4885 |
34 |
| VALO Health, Inc. | 167 |
34 |
| Other owners | 3631 |