- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 333/50 - Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
Patent holdings for IPC class C07D 333/50
Total number of patents in this class: 204
10-year publication summary
|
8
|
20
|
16
|
14
|
12
|
11
|
16
|
14
|
19
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17635 |
19 |
| Duk San Neolux Co., Ltd. | 654 |
12 |
| Samsung Display Co., Ltd. | 34907 |
11 |
| Merck Patent GmbH | 5815 |
10 |
| LT Materials Co., Ltd. | 408 |
10 |
| Idemitsu Kosan Co., Ltd. | 4224 |
9 |
| Samsung Electronics Co., Ltd. | 146811 |
7 |
| Universal Display Corporation | 1924 |
5 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 263 |
5 |
| FUJIFILM Corporation | 29437 |
4 |
| Samsung SDI Co., Ltd. | 8385 |
4 |
| The University of Tokyo | 4189 |
4 |
| Chugai Seiyaku Kabushiki Kaisha | 1362 |
3 |
| DIC Corporation | 3801 |
3 |
| Tosoh Corporation | 1295 |
3 |
| Zhejiang Brilliant Optoelectronic Technology Co., Ltd. | 56 |
3 |
| Bristol-myers Squibb Company | 4880 |
2 |
| The Regents of the University of California | 19961 |
2 |
| Cheil Industries Inc. | 852 |
2 |
| California Institute of Technology | 3977 |
2 |
| Other owners | 84 |