- 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: 6757
10-year publication summary
|
450
|
480
|
472
|
522
|
534
|
508
|
516
|
557
|
432
|
232
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5831 |
153 |
| LG Chem, Ltd. | 17632 |
128 |
| Duk San Neolux Co., Ltd. | 651 |
104 |
| LT Materials Co., Ltd. | 406 |
94 |
| FUJIFILM Corporation | 29367 |
82 |
| F. Hoffmann-La Roche AG | 7925 |
79 |
| Idemitsu Kosan Co., Ltd. | 4219 |
77 |
| Boehringer Ingelheim International GmbH | 4650 |
70 |
| Takeda Pharmaceutical Company Limited | 2713 |
68 |
| Genentech, Inc. | 3976 |
67 |
| Samsung Display Co., Ltd. | 34696 |
65 |
| Gilead Sciences, Inc. | 2036 |
65 |
| Bristol-myers Squibb Company | 4898 |
62 |
| Novartis AG | 10849 |
53 |
| Janssen Pharmaceutica N.V. | 3392 |
46 |
| Dana-Farber Cancer Institute, Inc. | 2571 |
46 |
| Samsung Electronics Co., Ltd. | 146092 |
44 |
| Universal Display Corporation | 1909 |
44 |
| Merck Sharp & Dohme LLC | 3748 |
44 |
| BASF SE | 20933 |
42 |
| Other owners | 5324 |