- All sections
- C - Chemistrymetallurgy
- 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: 4894
10-year publication summary
|
320
|
294
|
335
|
341
|
294
|
294
|
257
|
295
|
251
|
227
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4826 |
111 |
| BASF SE | 21098 |
85 |
| Novartis AG | 10612 |
83 |
| Merck Patent GmbH | 5752 |
80 |
| Bayer AG | 3401 |
77 |
| Merck Sharp & Dohme LLC | 3732 |
71 |
| Vertex Pharmaceuticals Incorporated | 1630 |
69 |
| Sumitomo Chemical Company, Limited | 9109 |
64 |
| Takeda Pharmaceutical Company Limited | 2721 |
64 |
| Gilead Sciences, Inc. | 2106 |
60 |
| Boehringer Ingelheim International GmbH | 4636 |
59 |
| F. Hoffmann-La Roche AG | 7937 |
54 |
| Syngenta Crop Protection AG | 6259 |
45 |
| Syngenta Participations AG | 1730 |
41 |
| Nihon Nohyaku Co., Ltd. | 333 |
41 |
| Hoffmann-La Roche Inc. | 3546 |
40 |
| Janssen Pharmaceutica N.V. | 3358 |
40 |
| Amgen Inc. | 4256 |
39 |
| VALO Health, Inc. | 176 |
35 |
| AstraZeneca AB | 2857 |
33 |
| Other owners | 3703 |