- 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: 4410
10-year publication summary
|
317
|
338
|
345
|
330
|
336
|
350
|
337
|
285
|
262
|
80
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17867 |
151 |
| Merck Patent GmbH | 5669 |
132 |
| LT Materials Co., Ltd. | 440 |
69 |
| Novartis AG | 10341 |
52 |
| Bristol-myers Squibb Company | 4815 |
44 |
| The Regents of the University of California | 20587 |
44 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 314 |
44 |
| F. Hoffmann-La Roche AG | 7841 |
41 |
| Duk San Neolux Co., Ltd. | 687 |
40 |
| Samsung Display Co., Ltd. | 37981 |
39 |
| Boehringer Ingelheim International GmbH | 4496 |
39 |
| Takeda Pharmaceutical Company Limited | 2716 |
38 |
| Samsung SDI Co., Ltd. | 10047 |
35 |
| Merck Sharp & Dohme LLC | 3732 |
35 |
| Janssen Pharmaceutica N.V. | 3226 |
34 |
| Idemitsu Kosan Co., Ltd. | 4210 |
31 |
| Abbvie Inc. | 1840 |
29 |
| FMC Corporation | 813 |
29 |
| Solus Advanced Materials Co., Ltd. | 233 |
29 |
| Epizyme, Inc. | 357 |
28 |
| Other owners | 3427 |