- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 409/04 - 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 directly linked by a ring-member-to-ring- member bond
Patent holdings for IPC class C07D 409/04
Total number of patents in this class: 2856
10-year publication summary
|
192
|
193
|
229
|
224
|
200
|
197
|
170
|
187
|
139
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17620 |
90 |
| Merck Patent GmbH | 5849 |
67 |
| Bristol-myers Squibb Company | 4886 |
42 |
| Duk San Neolux Co., Ltd. | 586 |
40 |
| Novartis AG | 11297 |
39 |
| Janssen Pharmaceutica N.V. | 3625 |
38 |
| LT Materials Co., Ltd. | 358 |
38 |
| Vertex Pharmaceuticals Incorporated | 1570 |
32 |
| The Regents of the University of California | 19479 |
31 |
| Takeda Pharmaceutical Company Limited | 2945 |
27 |
| FMC Corporation | 851 |
27 |
| F. Hoffmann-La Roche AG | 7942 |
26 |
| Idemitsu Kosan Co., Ltd. | 4105 |
26 |
| Universal Display Corporation | 1810 |
26 |
| FUJIFILM Corporation | 28467 |
25 |
| Samsung SDI Co., Ltd. | 7283 |
24 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 222 |
23 |
| Samsung Display Co., Ltd. | 32641 |
22 |
| BASF SE | 20367 |
22 |
| Allergan, Inc. | 2445 |
20 |
| Other owners | 2171 |