- 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: 825
10-year publication summary
49
|
100
|
60
|
54
|
49
|
51
|
75
|
88
|
44
|
18
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Chem, Ltd. | 17641 |
96 |
Samsung Display Co., Ltd. | 34984 |
63 |
Merck Patent GmbH | 5812 |
61 |
Idemitsu Kosan Co., Ltd. | 4227 |
61 |
Hodogaya Chemical Co., Ltd. | 436 |
61 |
Duk San Neolux Co., Ltd. | 655 |
47 |
Shaanxi Lighte Optoelectronics Material Co., Ltd. | 263 |
42 |
SFC Co., Ltd. | 321 |
25 |
Semiconductor Energy Laboratory Co., Ltd. | 11448 |
23 |
Nissan Chemical Industries, Ltd. | 1709 |
17 |
E. I. du Pont de Nemours and Company | 4041 |
16 |
Kyocera Document Solutions Inc. | 5654 |
15 |
LT Materials Co., Ltd. | 408 |
10 |
Sumitomo Chemical Company, Limited | 9047 |
6 |
Mitsubishi Chemical Corporation | 4526 |
6 |
Material Science Co., Ltd. | 39 |
6 |
Samsung Electronics Co., Ltd. | 147003 |
5 |
FUJIFILM Corporation | 29458 |
5 |
Mitsubishi Rayon Co., Ltd. | 906 |
5 |
Eastman Chemical Company | 2216 |
5 |
Other owners | 250 |