- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 255/52 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of six-membered aromatic rings being part of condensed ring systems
Patent holdings for IPC class C07C 255/52
Total number of patents in this class: 65
10-year publication summary
|
9
|
4
|
0
|
2
|
5
|
3
|
4
|
5
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44222 |
8 |
| LG Chem, Ltd. | 17967 |
7 |
| Merck Patent GmbH | 5742 |
5 |
| Nichem Fine Technology Co., Ltd. | 12 |
4 |
| SFC Co., Ltd. | 337 |
4 |
| Samsung Display Co., Ltd. | 39012 |
3 |
| Idemitsu Kosan Co., Ltd. | 4269 |
3 |
| LG Display Co., Ltd. | 15038 |
2 |
| Tsinghua University | 6245 |
2 |
| Arcus Biosciences, Inc. | 166 |
2 |
| Canon Kabushiki Kaisha | 7373 |
2 |
| BASF SE | 21328 |
1 |
| Centre National de La Recherche Scientifique | 11092 |
1 |
| FUJIFILM Corporation | 30653 |
1 |
| TDK Corporation | 6960 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
1 |
| Yamamoto Chemicals, Inc. | 50 |
1 |
| Japan Science and Technology Agency | 1213 |
1 |
| Beijing Visionox Technology Co., Ltd. | 34 |
1 |
| Connexios Life Sciences Pvt. Ltd. | 12 |
1 |
| Other owners | 14 |