- 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: 6829
10-year publication summary
|
402
|
410
|
431
|
465
|
475
|
440
|
449
|
520
|
425
|
334
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5759 |
150 |
| LG Chem, Ltd. | 17679 |
129 |
| Duk San Neolux Co., Ltd. | 667 |
105 |
| LT Materials Co., Ltd. | 414 |
95 |
| FUJIFILM Corporation | 29817 |
89 |
| Idemitsu Kosan Co., Ltd. | 4225 |
78 |
| F. Hoffmann-La Roche AG | 7933 |
76 |
| Gilead Sciences, Inc. | 2094 |
72 |
| Samsung Display Co., Ltd. | 36265 |
71 |
| Boehringer Ingelheim International GmbH | 4635 |
71 |
| Genentech, Inc. | 4015 |
67 |
| Takeda Pharmaceutical Company Limited | 2717 |
66 |
| Bristol-myers Squibb Company | 4820 |
60 |
| Novartis AG | 10623 |
53 |
| Janssen Pharmaceutica N.V. | 3351 |
48 |
| Merck Sharp & Dohme LLC | 3737 |
46 |
| Universal Display Corporation | 1964 |
44 |
| Samsung SDI Co., Ltd. | 8878 |
43 |
| Sumitomo Chemical Company, Limited | 9109 |
43 |
| Dana-Farber Cancer Institute, Inc. | 2623 |
43 |
| Other owners | 5380 |