- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 19/42 - Mixtures of liquid crystal compounds covered by two or more of the preceding groups
Patent holdings for IPC class C09K 19/42
Total number of patents in this class: 668
10-year publication summary
|
44
|
53
|
19
|
11
|
12
|
3
|
3
|
10
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3906 |
187 |
| JNC Corporation | 1531 |
121 |
| JNC Petrochemical Corporation | 327 |
111 |
| Merck Patent GmbH | 5668 |
84 |
| Chisso Petrochemical Corporation | 54 |
25 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 201 |
23 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 187 |
22 |
| Chisso Corporation | 54 |
15 |
| LG Chem, Ltd. | 17822 |
7 |
| Dongjin Semichem Co., Ltd. | 492 |
6 |
| Beijing Bayi Space LCD Technology Co., Ltd | 71 |
6 |
| FUJIFILM Corporation | 30244 |
5 |
| Dai Nippon Printing Co., Ltd. | 4210 |
4 |
| BASF SE | 21113 |
3 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8474 |
3 |
| Cambridge Enterprise Limited | 1232 |
3 |
| Industrial Cooperation Foundation Chonbuk National University | 480 |
3 |
| E. I. du Pont de Nemours and Company | 3677 |
2 |
| East China University of Science and Technology | 542 |
2 |
| Nemoptic | 7 |
2 |
| Other owners | 34 |