- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 211/54 - 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
Patent holdings for IPC class C07C 211/54
Total number of patents in this class: 851
10-year publication summary
|
100
|
60
|
56
|
49
|
52
|
76
|
87
|
46
|
40
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 18005 |
94 |
| Samsung Display Co., Ltd. | 39369 |
70 |
| Merck Patent GmbH | 5772 |
62 |
| Hodogaya Chemical Co., Ltd. | 434 |
61 |
| Idemitsu Kosan Co., Ltd. | 4293 |
57 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 331 |
52 |
| Duk San Neolux Co., Ltd. | 705 |
48 |
| Semiconductor Energy Laboratory Co., Ltd. | 11940 |
27 |
| SFC Co., Ltd. | 340 |
24 |
| Nissan Chemical Industries, Ltd. | 1622 |
16 |
| Kyocera Document Solutions Inc. | 6452 |
15 |
| E. I. du Pont de Nemours and Company | 3425 |
14 |
| LT Materials Co., Ltd. | 443 |
11 |
| Material Science Co., Ltd. | 53 |
8 |
| FUJIFILM Corporation | 30866 |
6 |
| Sumitomo Chemical Company, Limited | 8992 |
6 |
| Mitsubishi Chemical Corporation | 4774 |
6 |
| Samsung Electronics Co., Ltd. | 159978 |
5 |
| Canon Inc. | 44686 |
5 |
| Konica Minolta, Inc. | 9220 |
5 |
| Other owners | 259 |