- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
Patent holdings for IPC class C07D 405/04
Total number of patents in this class: 4375
10-year publication summary
|
309
|
283
|
303
|
305
|
286
|
292
|
304
|
308
|
255
|
191
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17644 |
150 |
| Merck Patent GmbH | 5824 |
132 |
| LT Materials Co., Ltd. | 410 |
66 |
| Novartis AG | 10730 |
55 |
| Bristol-myers Squibb Company | 4867 |
43 |
| The Regents of the University of California | 20059 |
43 |
| F. Hoffmann-La Roche AG | 7941 |
40 |
| Samsung Display Co., Ltd. | 35171 |
39 |
| Boehringer Ingelheim International GmbH | 4642 |
39 |
| Duk San Neolux Co., Ltd. | 657 |
38 |
| Takeda Pharmaceutical Company Limited | 2705 |
37 |
| Janssen Pharmaceutica N.V. | 3369 |
35 |
| Samsung SDI Co., Ltd. | 8537 |
35 |
| Merck Sharp & Dohme LLC | 3760 |
35 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 265 |
34 |
| Idemitsu Kosan Co., Ltd. | 4223 |
31 |
| Abbvie Inc. | 1800 |
30 |
| FMC Corporation | 841 |
30 |
| Epizyme, Inc. | 374 |
28 |
| Solus Advanced Materials Co., Ltd. | 208 |
28 |
| Other owners | 3407 |