- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 15/28 - Anthracenes
Patent holdings for IPC class C07C 15/28
Total number of patents in this class: 224
10-year publication summary
|
13
|
9
|
14
|
11
|
7
|
16
|
10
|
37
|
31
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
40 |
| LG Chem, Ltd. | 17205 |
35 |
| Merck Patent GmbH | 5909 |
13 |
| Samsung Display Co., Ltd. | 30585 |
12 |
| LG Display Co., Ltd. | 11907 |
11 |
| SFC Co., Ltd. | 277 |
7 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
5 |
| Boe Technology Group Co., Ltd. | 35384 |
5 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
5 |
| Universal Display Corporation | 1678 |
5 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| E. I. du Pont de Nemours and Company | 4345 |
3 |
| Beijing Aglaia Technology Development Co., Ltd. | 40 |
3 |
| Doosan Corporation | 444 |
3 |
| Gracel Display Inc. | 27 |
3 |
| Sony Corporation | 32931 |
2 |
| Canon Inc. | 36841 |
2 |
| China Petroleum & Chemical Corporation | 1623 |
2 |
| DIC Corporation | 3597 |
2 |
| Emory University | 1498 |
2 |
| Other owners | 60 |