- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 15/28 - Anthracenes
Patent holdings for IPC class C07C 15/28
Total number of patents in this class: 228
10-year publication summary
|
14
|
11
|
7
|
16
|
11
|
37
|
31
|
10
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4213 |
37 |
| LG Chem, Ltd. | 17883 |
35 |
| LG Display Co., Ltd. | 14437 |
13 |
| Samsung Display Co., Ltd. | 38092 |
12 |
| SFC Co., Ltd. | 335 |
8 |
| Merck Patent GmbH | 5669 |
7 |
| Semiconductor Energy Laboratory Co., Ltd. | 11705 |
7 |
| Universal Display Corporation | 2059 |
5 |
| DuPont Specialty Materials Korea Ltd. | 293 |
5 |
| Sumitomo Chemical Company, Limited | 9015 |
4 |
| Boe Technology Group Co., Ltd. | 43343 |
4 |
| E. I. du Pont de Nemours and Company | 3632 |
3 |
| Beijing Aglaia Technology Development Co., Ltd. | 40 |
3 |
| China Petroleum & Chemical Corporation | 2095 |
3 |
| Doosan Corporation | 434 |
3 |
| Gracel Display Inc. | 18 |
3 |
| Research Institute of Petroleum Processing, Sinopec | 364 |
3 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
3 |
| Taiyuan University of Technology | 304 |
3 |
| Sony Corporation | 30327 |
2 |
| Other owners | 65 |