- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 241/48 - Phenazines with hydrocarbon radicals, substituted by nitrogen atoms, directly attached to the ring nitrogen atoms
Patent holdings for IPC class C07D 241/48
Total number of patents in this class: 25
10-year publication summary
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4
|
5
|
1
|
5
|
2
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0
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2
|
0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gentex Corporation | 1981 |
5 |
| Samsung Display Co., Ltd. | 39369 |
4 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5591 |
3 |
| Merck Patent GmbH | 5772 |
2 |
| Tsinghua University | 6272 |
2 |
| Kunshan Go-visionox Opto-Electronics Co., Ltd. | 1119 |
2 |
| UDC Ireland Limited | 505 |
2 |
| Konica Minolta, Inc. | 9220 |
1 |
| Institute of Systems, Information Technologies and Nanotechnologies | 13 |
1 |
| Kyulux, Inc. | 255 |
1 |
| Kyushu University, National University Corporation | 1741 |
1 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
1 |
| Other owners | 0 |