- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 517/04 - Ortho-condensed systems
Patent holdings for IPC class C07D 517/04
Total number of patents in this class: 119
10-year publication summary
|
3
|
13
|
6
|
18
|
9
|
8
|
15
|
4
|
8
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157557 |
11 |
| Latvian Institute of Organic Synthesis | 58 |
8 |
| Nippon Kayaku Kabushiki Kaisha | 1454 |
8 |
| Samsung Display Co., Ltd. | 38570 |
7 |
| FUJIFILM Corporation | 30512 |
6 |
| Duk San Neolux Co., Ltd. | 703 |
6 |
| Hiroshima University | 585 |
5 |
| Universal Display Corporation | 2079 |
5 |
| Merck Patent GmbH | 5725 |
3 |
| China Pharmaceutical University | 358 |
2 |
| Hadasit Medical Research Services and Development Ltd. | 321 |
2 |
| Ishihara Sangyo Kaisha, Ltd. | 659 |
2 |
| Osaka University | 3269 |
2 |
| The University of Tokyo | 4352 |
2 |
| Zhejiang University | 3441 |
2 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5538 |
2 |
| Jiangsu Sunera Technology Co.,Ltd | 71 |
2 |
| Beijing Summer Sprout Technology Co., Ltd. | 156 |
2 |
| Shanghai Apeiron Therapeutics Company Limited | 43 |
2 |
| Kuleon LLC | 22 |
2 |
| Other owners | 38 |