- All sections
- C - Chemistry; metallurgy
- 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: 799
10-year publication summary
45
|
50
|
100
|
60
|
52
|
49
|
51
|
75
|
88
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Chem, Ltd. | 17205 |
87 |
Merck Patent GmbH | 5909 |
64 |
Idemitsu Kosan Co., Ltd. | 3995 |
63 |
Hodogaya Chemical Co., Ltd. | 417 |
60 |
Samsung Display Co., Ltd. | 30585 |
57 |
Duk San Neolux Co., Ltd. | 512 |
45 |
Shaanxi Lighte Optoelectronics Material Co., Ltd. | 190 |
35 |
SFC Co., Ltd. | 277 |
25 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
23 |
Nissan Chemical Industries, Ltd. | 1822 |
19 |
E. I. du Pont de Nemours and Company | 4345 |
16 |
Kyocera Document Solutions Inc. | 5295 |
15 |
LT Materials Co., Ltd. | 312 |
9 |
Mitsubishi Chemical Corporation | 4313 |
7 |
Sumitomo Chemical Company, Limited | 8808 |
6 |
Mitsubishi Rayon Co., Ltd. | 1003 |
6 |
Material Science Co., Ltd. | 28 |
6 |
Samsung Electronics Co., Ltd. | 131630 |
5 |
FUJIFILM Corporation | 27102 |
5 |
Eastman Chemical Company | 2239 |
5 |
Other owners | 241 |