- 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: 32
10-year publication summary
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2
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0
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2
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0
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1
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3
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2
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0
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2
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4223 |
5 |
| LG Chem, Ltd. | 17685 |
3 |
| Guangzhou ChinaRay Optoelectronic Materials Ltd. | 148 |
3 |
| Sony Corporation | 30812 |
2 |
| Gracel Display Inc. | 21 |
2 |
| Samsung Display Co., Ltd. | 36065 |
1 |
| LG Display Co., Ltd. | 13857 |
1 |
| Sony Corporation of America | 376 |
1 |
| Merck Patent GmbH | 5758 |
1 |
| Tsinghua University | 6009 |
1 |
| Beijing Aglaia Technology Development Co., Ltd. | 40 |
1 |
| Beijing Visionox Technology Co., Ltd. | 29 |
1 |
| Crysoptix KK | 38 |
1 |
| Korea Research Institute of Chemical Technology | 1408 |
1 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1797 |
1 |
| National Tsing Hua University | 1207 |
1 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
1 |
| SFC Co., Ltd. | 323 |
1 |
| Technische Universitat Graz | 127 |
1 |
| Canon Kabushiki Kaisha | 7143 |
1 |
| Other owners | 2 |