- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 219/02 - Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with only hydrogen, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
Patent holdings for IPC class C07D 219/02
Total number of patents in this class: 188
10-year publication summary
|
12
|
18
|
13
|
33
|
10
|
10
|
8
|
4
|
5
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5772 |
30 |
| Crius Technology Group, Inc. | 22 |
11 |
| FUJIFILM Corporation | 30866 |
10 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5591 |
10 |
| Novaled GmbH | 493 |
7 |
| Hodogaya Chemical Co., Ltd. | 434 |
6 |
| LG Chem, Ltd. | 18005 |
5 |
| LG Display Co., Ltd. | 15117 |
5 |
| UDC Ireland Limited | 505 |
5 |
| Johnson & Johnson Vision Care, Inc. | 1153 |
3 |
| Samsung Display Co., Ltd. | 39369 |
3 |
| Centre National de La Recherche Scientifique | 11164 |
3 |
| Samsung SDI Co., Ltd. | 11065 |
3 |
| Ecole Nationale Superieure de Chimie de Montpellier | 239 |
3 |
| Institut National des Sciences Appliquees de Rennes | 79 |
3 |
| Kyushu University, National University Corporation | 1741 |
3 |
| Universite de Rennes 1 | 471 |
3 |
| The University of North Carolina at Chapel Hill | 2129 |
3 |
| Sichuan Knowledge Express Institute for Innovative Technologies Co., Ltd | 8 |
3 |
| Konica Minolta, Inc. | 9220 |
2 |
| Other owners | 67 |