- All sections
- C - Chemistry; metallurgy
- 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: 4172
10-year publication summary
|
324
|
357
|
317
|
338
|
343
|
330
|
331
|
335
|
313
|
86
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
134 |
| Merck Patent GmbH | 5909 |
133 |
| Novartis AG | 11238 |
58 |
| LT Materials Co., Ltd. | 312 |
52 |
| Janssen Pharmaceutica N.V. | 3839 |
49 |
| Bristol-myers Squibb Company | 5080 |
47 |
| F. Hoffmann-La Roche AG | 7958 |
44 |
| Takeda Pharmaceutical Company Limited | 2961 |
41 |
| Boehringer Ingelheim International GmbH | 4629 |
40 |
| Samsung Display Co., Ltd. | 30585 |
38 |
| The Regents of the University of California | 18943 |
38 |
| Merck Sharp & Dohme LLC | 3689 |
36 |
| Samsung SDI Co., Ltd. | 6671 |
35 |
| FMC Corporation | 910 |
31 |
| Abbvie Inc. | 1808 |
30 |
| Duk San Neolux Co., Ltd. | 512 |
30 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
30 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 190 |
30 |
| AstraZeneca AB | 3042 |
29 |
| Idemitsu Kosan Co., Ltd. | 3995 |
27 |
| Other owners | 3220 |