- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 211/58 - NaphthylaminesN-substituted derivatives thereof
Patent holdings for IPC class C07C 211/58
Total number of patents in this class: 235
10-year publication summary
|
17
|
31
|
23
|
14
|
18
|
17
|
22
|
9
|
12
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 36265 |
27 |
| Hodogaya Chemical Co., Ltd. | 434 |
23 |
| Idemitsu Kosan Co., Ltd. | 4225 |
20 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 292 |
17 |
| Merck Patent GmbH | 5759 |
14 |
| LG Chem, Ltd. | 17679 |
11 |
| Duk San Neolux Co., Ltd. | 667 |
10 |
| SFC Co., Ltd. | 323 |
8 |
| The Research Foundation for The State University of New York | 1662 |
4 |
| Universal Display Corporation | 1964 |
4 |
| Beijing Eternal Material Technology Co., Ltd | 23 |
4 |
| Suzhou Abogen Biosciences Co., Ltd. | 78 |
4 |
| BASF SE | 21087 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11552 |
3 |
| Konica Minolta, Inc. | 8902 |
3 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 170 |
3 |
| Lanxess Corporation | 278 |
3 |
| Nichem Fine Technology Co., Ltd. | 12 |
3 |
| FUJIFILM Corporation | 29817 |
2 |
| Albemarle Corporation | 482 |
2 |
| Other owners | 67 |