- 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: 1043
10-year publication summary
|
83
|
64
|
78
|
66
|
75
|
65
|
74
|
83
|
56
|
60
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17706 |
81 |
| Merck Patent GmbH | 5752 |
47 |
| Idemitsu Kosan Co., Ltd. | 4223 |
40 |
| Semiconductor Energy Laboratory Co., Ltd. | 11537 |
36 |
| Janssen Pharmaceutica N.V. | 3358 |
34 |
| Rohm and Haas Electronic Materials Korea Ltd. | 331 |
23 |
| Universal Display Corporation | 1968 |
20 |
| LT Materials Co., Ltd. | 414 |
20 |
| Vicore Pharma AB | 83 |
19 |
| Samsung SDI Co., Ltd. | 8901 |
17 |
| DuPont Specialty Materials Korea Ltd. | 301 |
16 |
| Duk San Neolux Co., Ltd. | 668 |
15 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 295 |
15 |
| AstraZeneca AB | 2857 |
14 |
| Solus Advanced Materials Co., Ltd. | 213 |
14 |
| Samsung Display Co., Ltd. | 36317 |
13 |
| The Regents of the University of California | 20303 |
11 |
| Syngenta Participations AG | 1730 |
11 |
| Novartis AG | 10612 |
9 |
| Samsung Electronics Co., Ltd. | 149198 |
9 |
| Other owners | 579 |