- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 13/62 - Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with more than three condensed rings
Patent holdings for IPC class C07C 13/62
Total number of patents in this class: 266
10-year publication summary
|
17
|
16
|
19
|
16
|
10
|
10
|
7
|
6
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Kabushiki Kaisha | 6954 |
49 |
| Merck Patent GmbH | 5856 |
35 |
| Canon Inc. | 38296 |
33 |
| Idemitsu Kosan Co., Ltd. | 4116 |
25 |
| UDC Ireland Limited | 489 |
11 |
| Samsung Display Co., Ltd. | 32942 |
10 |
| Universal Display Corporation | 1822 |
8 |
| LG Chem, Ltd. | 17657 |
4 |
| JSR Corporation | 2476 |
4 |
| Tosoh Corporation | 1220 |
4 |
| Sumitomo Chemical Company, Limited | 8997 |
3 |
| Luminescence Technology Corporation | 30 |
3 |
| Nano-C, Inc. | 72 |
3 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
3 |
| Guangzhou ChinaRay Optoelectronic Materials Ltd. | 147 |
3 |
| Samsung Electronics Co., Ltd. | 139551 |
2 |
| LG Display Co., Ltd. | 12932 |
2 |
| FUJIFILM Corporation | 28841 |
2 |
| DAe Joo Electronic Materials Co., Ltd. | 59 |
2 |
| Hybio Pharmaceutical Co., Ltd. | 120 |
2 |
| Other owners | 58 |