- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 241/46 - Phenazines
Patent holdings for IPC class C07D 241/46
Total number of patents in this class: 148
10-year publication summary
|
12
|
13
|
10
|
7
|
16
|
8
|
12
|
7
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5873 |
6 |
| Centre National de La Recherche Scientifique | 10408 |
5 |
| Board of Trustees of Michigan State University | 1181 |
5 |
| Gentex Corporation | 1889 |
5 |
| University of Florida Research Foundation, Inc. | 4002 |
4 |
| Universite D'aix-marseille | 886 |
4 |
| Seoul National University R&db Foundation | 3566 |
4 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5254 |
4 |
| Cmblu Energy AG | 52 |
4 |
| The Regents of the University of California | 19857 |
3 |
| Canon Inc. | 39660 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3795 |
3 |
| Gracel Display Inc. | 22 |
3 |
| MacDermid Acumen, Inc. | 155 |
3 |
| WisTa Laboratories Ltd. | 129 |
3 |
| CMBlu Projekt AG | 21 |
3 |
| Roche Diagnostics Operations, Inc. | 1483 |
2 |
| Samsung Display Co., Ltd. | 34472 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
2 |
| The Johns Hopkins University | 5652 |
2 |
| Other owners | 78 |