- 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: 6751
10-year publication summary
|
402
|
410
|
431
|
464
|
474
|
440
|
449
|
519
|
424
|
245
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5812 |
152 |
| LG Chem, Ltd. | 17641 |
128 |
| Duk San Neolux Co., Ltd. | 655 |
104 |
| LT Materials Co., Ltd. | 408 |
95 |
| FUJIFILM Corporation | 29458 |
83 |
| F. Hoffmann-La Roche AG | 7945 |
77 |
| Idemitsu Kosan Co., Ltd. | 4227 |
77 |
| Boehringer Ingelheim International GmbH | 4641 |
70 |
| Genentech, Inc. | 3978 |
67 |
| Samsung Display Co., Ltd. | 34984 |
66 |
| Takeda Pharmaceutical Company Limited | 2711 |
66 |
| Gilead Sciences, Inc. | 2035 |
66 |
| Bristol-myers Squibb Company | 4881 |
62 |
| Novartis AG | 10741 |
53 |
| Janssen Pharmaceutica N.V. | 3377 |
47 |
| Merck Sharp & Dohme LLC | 3749 |
47 |
| Samsung Electronics Co., Ltd. | 147003 |
44 |
| Universal Display Corporation | 1926 |
44 |
| BASF SE | 20945 |
42 |
| Samsung SDI Co., Ltd. | 8412 |
42 |
| Other owners | 5319 |