- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 19/12 - Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
Patent holdings for IPC class C09K 19/12
Total number of patents in this class: 1731
10-year publication summary
|
180
|
153
|
179
|
142
|
92
|
59
|
47
|
47
|
31
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5850 |
348 |
| DIC Corporation | 3759 |
286 |
| JNC Corporation | 1549 |
280 |
| JNC Petrochemical Corporation | 402 |
266 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 197 |
125 |
| Chisso Petrochemical Corporation | 61 |
51 |
| Samsung Display Co., Ltd. | 34290 |
42 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 99 |
31 |
| Chisso Corporation | 64 |
29 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
19 |
| FUJIFILM Corporation | 29251 |
18 |
| Sharp Corporation | 10302 |
9 |
| Industrial Technology Research Institute | 5043 |
9 |
| Nitto Denko Corporation | 8196 |
8 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 43 |
8 |
| Beijing Bayi Space LCD Technology Co., Ltd | 63 |
8 |
| LG Chem, Ltd. | 17564 |
7 |
| Sharp Kabushiki Kaisha | 18787 |
7 |
| Au Optronics Corporation | 3518 |
5 |
| Dongjin Semichem Co., Ltd. | 477 |
5 |
| Other owners | 170 |