- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 279/22 - [b, e]-condensed with two six-membered rings with carbon atoms directly attached to the ring nitrogen atom
Patent holdings for IPC class C07D 279/22
Total number of patents in this class: 111
10-year publication summary
|
5
|
11
|
11
|
3
|
19
|
4
|
7
|
7
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5831 |
13 |
| Crius Technology Group, Inc. | 22 |
11 |
| Board of Trustees of Michigan State University | 1183 |
6 |
| University of Kentucky Research Foundation | 688 |
4 |
| Samsung Display Co., Ltd. | 34696 |
3 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
3 |
| Hodogaya Chemical Co., Ltd. | 434 |
3 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
3 |
| WisTa Laboratories Ltd. | 133 |
3 |
| Vitro Flat Glass LLC | 462 |
3 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5282 |
3 |
| Centre National de La Recherche Scientifique | 10418 |
2 |
| Sumitomo Chemical Company, Limited | 9046 |
2 |
| Institut Polytechnique de Grenoble | 396 |
2 |
| Solvay SA | 993 |
2 |
| Soochow University | 1736 |
2 |
| University of Virginia Patent Foundation | 1569 |
2 |
| LG Chem, Ltd. | 17632 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6408 |
1 |
| Idemitsu Kosan Co., Ltd. | 4219 |
1 |
| Other owners | 41 |