- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
Patent holdings for IPC class C07D 409/10
Total number of patents in this class: 1035
10-year publication summary
|
88
|
67
|
79
|
68
|
76
|
69
|
83
|
84
|
57
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17638 |
79 |
| Merck Patent GmbH | 5823 |
48 |
| Idemitsu Kosan Co., Ltd. | 4220 |
40 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
36 |
| Janssen Pharmaceutica N.V. | 3383 |
32 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
23 |
| Vicore Pharma AB | 84 |
20 |
| Universal Display Corporation | 1910 |
19 |
| LT Materials Co., Ltd. | 408 |
19 |
| AstraZeneca AB | 2908 |
16 |
| Samsung SDI Co., Ltd. | 8330 |
16 |
| Duk San Neolux Co., Ltd. | 653 |
15 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 260 |
15 |
| Solus Advanced Materials Co., Ltd. | 206 |
14 |
| DuPont Specialty Materials Korea Ltd. | 287 |
14 |
| Samsung Display Co., Ltd. | 34798 |
13 |
| The Regents of the University of California | 19929 |
11 |
| Syngenta Participations AG | 1902 |
11 |
| Astellas Pharma Inc. | 1092 |
10 |
| Novartis AG | 10850 |
9 |
| Other owners | 575 |