- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 15/62 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part substituted by unsaturated hydrocarbon radicals polycyclic condensed containing four rings
Patent holdings for IPC class C07C 15/62
Total number of patents in this class: 33
10-year publication summary
|
0
|
2
|
0
|
1
|
3
|
2
|
0
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4269 |
7 |
| LG Chem, Ltd. | 17967 |
3 |
| Guangzhou ChinaRay Optoelectronic Materials Ltd. | 151 |
3 |
| Sony Corporation | 30080 |
2 |
| Gracel Display Inc. | 18 |
2 |
| LG Display Co., Ltd. | 15038 |
1 |
| Sony Corporation of America | 407 |
1 |
| Merck Patent GmbH | 5742 |
1 |
| Tsinghua University | 6245 |
1 |
| Beijing Aglaia Technology Development Co., Ltd. | 40 |
1 |
| Beijing Visionox Technology Co., Ltd. | 34 |
1 |
| Crysoptix KK | 31 |
1 |
| Korea Research Institute of Chemical Technology | 1486 |
1 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1856 |
1 |
| National Tsing Hua University | 1272 |
1 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
1 |
| SFC Co., Ltd. | 337 |
1 |
| Technische Universitat Graz | 125 |
1 |
| Canon Kabushiki Kaisha | 7373 |
1 |
| JSI Silicone Co. | 2 |
1 |
| Other owners | 1 |