- 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: 215
10-year publication summary
|
20
|
16
|
14
|
12
|
11
|
18
|
15
|
19
|
16
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17883 |
22 |
| Duk San Neolux Co., Ltd. | 691 |
13 |
| Samsung Display Co., Ltd. | 38092 |
11 |
| LT Materials Co., Ltd. | 440 |
11 |
| Merck Patent GmbH | 5669 |
10 |
| Idemitsu Kosan Co., Ltd. | 4213 |
9 |
| Samsung Electronics Co., Ltd. | 155224 |
7 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 316 |
6 |
| Universal Display Corporation | 2059 |
5 |
| FUJIFILM Corporation | 30327 |
4 |
| Samsung SDI Co., Ltd. | 10194 |
4 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 175 |
4 |
| The University of Tokyo | 4333 |
4 |
| Chugai Seiyaku Kabushiki Kaisha | 1405 |
3 |
| DIC Corporation | 3924 |
3 |
| Tosoh Corporation | 1389 |
3 |
| Zhejiang Brilliant Optoelectronic Technology Co., Ltd. | 69 |
3 |
| Bristol-myers Squibb Company | 4789 |
2 |
| The Regents of the University of California | 20590 |
2 |
| Cheil Industries Inc. | 818 |
2 |
| Other owners | 87 |