- 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: 6837
10-year publication summary
|
402
|
410
|
431
|
465
|
475
|
440
|
449
|
520
|
425
|
342
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5752 |
150 |
| LG Chem, Ltd. | 17706 |
132 |
| Duk San Neolux Co., Ltd. | 668 |
105 |
| LT Materials Co., Ltd. | 414 |
95 |
| FUJIFILM Corporation | 29839 |
90 |
| Idemitsu Kosan Co., Ltd. | 4223 |
78 |
| F. Hoffmann-La Roche AG | 7937 |
76 |
| Gilead Sciences, Inc. | 2106 |
72 |
| Samsung Display Co., Ltd. | 36317 |
71 |
| Boehringer Ingelheim International GmbH | 4636 |
71 |
| Genentech, Inc. | 4016 |
67 |
| Takeda Pharmaceutical Company Limited | 2721 |
66 |
| Bristol-myers Squibb Company | 4826 |
60 |
| Novartis AG | 10612 |
53 |
| Janssen Pharmaceutica N.V. | 3358 |
48 |
| Merck Sharp & Dohme LLC | 3732 |
46 |
| Universal Display Corporation | 1968 |
44 |
| Samsung SDI Co., Ltd. | 8901 |
43 |
| Sumitomo Chemical Company, Limited | 9109 |
43 |
| Dana-Farber Cancer Institute, Inc. | 2626 |
43 |
| Other owners | 5384 |