- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 495/04 - Ortho-condensed systems
Patent holdings for IPC class C07D 495/04
Total number of patents in this class: 6511
10-year publication summary
|
420
|
450
|
480
|
470
|
520
|
531
|
498
|
510
|
526
|
132
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5909 |
156 |
| LG Chem, Ltd. | 17205 |
124 |
| Duk San Neolux Co., Ltd. | 512 |
100 |
| F. Hoffmann-La Roche AG | 7958 |
84 |
| LT Materials Co., Ltd. | 312 |
75 |
| Boehringer Ingelheim International GmbH | 4629 |
74 |
| Takeda Pharmaceutical Company Limited | 2961 |
74 |
| Idemitsu Kosan Co., Ltd. | 3995 |
68 |
| Genentech, Inc. | 3742 |
66 |
| Bristol-myers Squibb Company | 5080 |
63 |
| Janssen Pharmaceutica N.V. | 3839 |
62 |
| FUJIFILM Corporation | 27102 |
58 |
| Gilead Sciences, Inc. | 1879 |
58 |
| Samsung Display Co., Ltd. | 30585 |
56 |
| Novartis AG | 11238 |
51 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
45 |
| Samsung Electronics Co., Ltd. | 131630 |
43 |
| BASF SE | 19740 |
43 |
| Merck Sharp & Dohme LLC | 3689 |
43 |
| Universal Display Corporation | 1678 |
42 |
| Other owners | 5126 |