- All sections
- C - Chemistry; metallurgy
- 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: 264
10-year publication summary
|
14
|
17
|
16
|
19
|
16
|
10
|
10
|
7
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Kabushiki Kaisha | 6884 |
49 |
| Merck Patent GmbH | 5909 |
35 |
| Canon Inc. | 36841 |
34 |
| Idemitsu Kosan Co., Ltd. | 3995 |
24 |
| UDC Ireland Limited | 496 |
11 |
| Samsung Display Co., Ltd. | 30585 |
10 |
| Universal Display Corporation | 1678 |
6 |
| LG Chem, Ltd. | 17205 |
4 |
| Tosoh Corporation | 1127 |
4 |
| Sumitomo Chemical Company, Limited | 8808 |
3 |
| JSR Corporation | 2476 |
3 |
| Luminescence Technology Corporation | 34 |
3 |
| Nano-C, Inc. | 71 |
3 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
3 |
| Guangzhou ChinaRay Optoelectronic Materials Ltd. | 139 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| LG Display Co., Ltd. | 11907 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| DAe Joo Electronic Materials Co., Ltd. | 56 |
2 |
| Hybio Pharmaceutical Co., Ltd. | 119 |
2 |
| Other owners | 59 |