- All sections
- C - Chemistry; metallurgy
- 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: 1007
10-year publication summary
|
88
|
67
|
79
|
69
|
76
|
67
|
83
|
83
|
56
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17639 |
76 |
| Merck Patent GmbH | 5842 |
46 |
| Idemitsu Kosan Co., Ltd. | 4103 |
40 |
| Janssen Pharmaceutica N.V. | 3612 |
35 |
| Semiconductor Energy Laboratory Co., Ltd. | 11101 |
35 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
23 |
| Vicore Pharma AB | 84 |
21 |
| Universal Display Corporation | 1815 |
19 |
| LT Materials Co., Ltd. | 367 |
18 |
| AstraZeneca AB | 2958 |
16 |
| Samsung SDI Co., Ltd. | 7347 |
16 |
| Duk San Neolux Co., Ltd. | 592 |
15 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 223 |
14 |
| Samsung Display Co., Ltd. | 32798 |
13 |
| DuPont Specialty Materials Korea Ltd. | 269 |
13 |
| Syngenta Participations AG | 3032 |
11 |
| Novartis AG | 11254 |
10 |
| The Regents of the University of California | 19517 |
10 |
| Astellas Pharma Inc. | 1125 |
10 |
| Solus Advanced Materials Co., Ltd. | 162 |
10 |
| Other owners | 556 |