- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 495/04 - Ortho-condensed systems
Patent holdings for IPC class C07D 495/04
Total number of patents in this class: 7014
10-year publication summary
|
480
|
472
|
522
|
535
|
510
|
522
|
560
|
454
|
401
|
298
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5755 |
151 |
| LG Chem, Ltd. | 17978 |
138 |
| FUJIFILM Corporation | 30774 |
106 |
| Duk San Neolux Co., Ltd. | 703 |
106 |
| LT Materials Co., Ltd. | 441 |
100 |
| Idemitsu Kosan Co., Ltd. | 4285 |
79 |
| Gilead Sciences, Inc. | 2249 |
78 |
| Samsung Display Co., Ltd. | 39154 |
72 |
| Boehringer Ingelheim International GmbH | 4480 |
71 |
| F. Hoffmann-La Roche AG | 7792 |
68 |
| Genentech, Inc. | 4147 |
64 |
| Takeda Pharmaceutical Company Limited | 2700 |
63 |
| Bristol-myers Squibb Company | 4761 |
60 |
| Novartis AG | 10172 |
52 |
| Janssen Pharmaceutica N.V. | 3142 |
49 |
| Samsung SDI Co., Ltd. | 10924 |
45 |
| Universal Display Corporation | 2113 |
45 |
| Merck Sharp & Dohme LLC | 3734 |
45 |
| Samsung Electronics Co., Ltd. | 159298 |
43 |
| Dana-Farber Cancer Institute, Inc. | 2677 |
43 |
| Other owners | 5536 |