- 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: 141
10-year publication summary
|
14
|
14
|
12
|
7
|
5
|
7
|
11
|
15
|
11
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novaled GmbH | 457 |
18 |
| LG Chem, Ltd. | 17704 |
12 |
| Idemitsu Kosan Co., Ltd. | 4221 |
10 |
| Merck Patent GmbH | 5733 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3512 |
6 |
| LG Display Co., Ltd. | 13886 |
5 |
| Canon Inc. | 41234 |
4 |
| UDC Ireland Limited | 468 |
4 |
| Samsung Display Co., Ltd. | 36582 |
3 |
| Sumitomo Chemical Company, Limited | 9098 |
3 |
| Canon Kabushiki Kaisha | 7166 |
3 |
| P&H Tech Co., Ltd | 48 |
3 |
| Zhejiang Brilliant Optoelectronic Technology Co., Ltd. | 69 |
3 |
| Murata Manufacturing Co., Ltd. | 25092 |
2 |
| Toray Industries, Inc. | 7016 |
2 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1370 |
2 |
| Hydro-Quebec | 648 |
2 |
| Korea Kumho Petrochemical Co., Ltd. | 189 |
2 |
| Universal Display Corporation | 1972 |
2 |
| University of Tennessee Research Foundation | 755 |
2 |
| Other owners | 45 |