- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 13/567 - FluorenesCompletely or partially hydrogenated fluorenes
Patent holdings for IPC class C07C 13/567
Total number of patents in this class: 146
10-year publication summary
|
13
|
19
|
17
|
9
|
4
|
2
|
4
|
5
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17519 |
15 |
| Merck Patent GmbH | 5830 |
14 |
| Sumitomo Chemical Company, Limited | 9005 |
12 |
| Idemitsu Kosan Co., Ltd. | 4132 |
12 |
| Cambridge Display Technology Limited | 500 |
5 |
| Duk San Neolux Co., Ltd. | 628 |
5 |
| Canon Inc. | 39160 |
4 |
| Lexmark International, Inc. | 1692 |
3 |
| Beijing Aglaia Technology Development Co., Ltd. | 40 |
3 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 77 |
3 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 76 |
3 |
| Doosan Corporation | 432 |
3 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 164 |
3 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
3 |
| Canon Kabushiki Kaisha | 7046 |
3 |
| Samsung Electronics Co., Ltd. | 143021 |
2 |
| Samsung Display Co., Ltd. | 33982 |
2 |
| Gracel Display Inc. | 23 |
2 |
| Nippon Kayaku Kabushiki Kaisha | 1428 |
2 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
2 |
| Other owners | 45 |