- 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: 1040
10-year publication summary
|
83
|
64
|
78
|
66
|
75
|
65
|
74
|
83
|
56
|
49
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17676 |
80 |
| Merck Patent GmbH | 5767 |
47 |
| Idemitsu Kosan Co., Ltd. | 4237 |
40 |
| Semiconductor Energy Laboratory Co., Ltd. | 11471 |
36 |
| Janssen Pharmaceutica N.V. | 3367 |
34 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
23 |
| Universal Display Corporation | 1936 |
20 |
| Vicore Pharma AB | 82 |
19 |
| LT Materials Co., Ltd. | 411 |
19 |
| Samsung SDI Co., Ltd. | 8622 |
17 |
| AstraZeneca AB | 2886 |
16 |
| DuPont Specialty Materials Korea Ltd. | 292 |
16 |
| Duk San Neolux Co., Ltd. | 659 |
15 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 274 |
15 |
| Solus Advanced Materials Co., Ltd. | 209 |
14 |
| Samsung Display Co., Ltd. | 35374 |
13 |
| The Regents of the University of California | 20108 |
11 |
| Syngenta Participations AG | 1833 |
11 |
| Astellas Pharma Inc. | 1087 |
10 |
| Novartis AG | 10721 |
9 |
| Other owners | 575 |