- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 211/56 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
Patent holdings for IPC class C07C 211/56
Total number of patents in this class: 123
10-year publication summary
|
9
|
5
|
4
|
7
|
12
|
6
|
8
|
5
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 38817 |
16 |
| Merck Patent GmbH | 5735 |
8 |
| Sumitomo Chemical Company, Limited | 8968 |
5 |
| Novaled GmbH | 489 |
4 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 323 |
4 |
| LG Chem, Ltd. | 17950 |
3 |
| Daicel Corporation | 2549 |
3 |
| Duk San Neolux Co., Ltd. | 703 |
3 |
| Nissan Chemical Industries, Ltd. | 1638 |
3 |
| The University of Tokyo | 4378 |
3 |
| The General Hospital Corporation | 4875 |
2 |
| Toray Industries, Inc. | 7139 |
2 |
| Central Glass Company, Limited | 1297 |
2 |
| Chugai Seiyaku Kabushiki Kaisha | 1423 |
2 |
| Hodogaya Chemical Co., Ltd. | 430 |
2 |
| Hokko Chemical Industry Co., Ltd. | 48 |
2 |
| Ihara Chemical Industry Co., Ltd. | 59 |
2 |
| Incyte Corporation | 1066 |
2 |
| Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China | 173 |
2 |
| Kumiai Chemical Industry Co., Ltd. | 315 |
2 |
| Other owners | 51 |