- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 255/51 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings containing at least two cyano groups bound to the carbon skeleton
Patent holdings for IPC class C07C 255/51
Total number of patents in this class: 143
10-year publication summary
15
|
14
|
12
|
7
|
5
|
7
|
11
|
16
|
11
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Novaled GmbH | 441 |
18 |
LG Chem, Ltd. | 17638 |
12 |
Idemitsu Kosan Co., Ltd. | 4220 |
10 |
Merck Patent GmbH | 5823 |
8 |
Mitsubishi Gas Chemical Company, Inc. | 3465 |
6 |
LG Display Co., Ltd. | 13518 |
5 |
Canon Inc. | 39960 |
4 |
UDC Ireland Limited | 478 |
4 |
Samsung Display Co., Ltd. | 34798 |
3 |
Sumitomo Chemical Company, Limited | 9047 |
3 |
Korea Kumho Petrochemical Co., Ltd. | 191 |
3 |
Canon Kabushiki Kaisha | 7061 |
3 |
P&H Tech Co., Ltd | 45 |
3 |
Zhejiang Brilliant Optoelectronic Technology Co., Ltd. | 56 |
3 |
Murata Manufacturing Co., Ltd. | 24542 |
2 |
Toray Industries, Inc. | 6945 |
2 |
The Government of the United States of America, as represented by the Secretary of the Navy | 1301 |
2 |
Hydro-Quebec | 650 |
2 |
Universal Display Corporation | 1910 |
2 |
University of Tennessee Research Foundation | 758 |
2 |
Other owners | 46 |