- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 219/14 - Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hydrocarbon radicals, substituted by nitrogen atoms, attached to the ring nitrogen atom
Patent holdings for IPC class C07D 219/14
Total number of patents in this class: 53
10-year publication summary
|
9
|
5
|
5
|
2
|
10
|
5
|
1
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyulux, Inc. | 234 |
5 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5260 |
5 |
| Samsung Display Co., Ltd. | 34539 |
4 |
| Merck Patent GmbH | 5829 |
4 |
| FUJIFILM Corporation | 29305 |
3 |
| LG Chem, Ltd. | 17598 |
2 |
| Konica Minolta, Inc. | 8704 |
2 |
| Kyushu University, National University Corporation | 1655 |
2 |
| UDC Ireland Limited | 480 |
2 |
| Ningbo Lumilan Advanced Materials Co., Ltd. | 33 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11377 |
1 |
| Samsung SDI Co., Ltd. | 8174 |
1 |
| Sumitomo Chemical Company, Limited | 9040 |
1 |
| The General Hospital Corporation | 4720 |
1 |
| Albert Einstein College of Medicine, Inc. | 575 |
1 |
| Auckland UniServices Limited | 496 |
1 |
| Baden-Württemberg Stiftung gGmbH | 67 |
1 |
| Marker Gene Technology, Inc. | 1 |
1 |
| Oregon Health & Science University | 762 |
1 |
| Osaka University | 3374 |
1 |
| Other owners | 12 |