- 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: 669
10-year publication summary
|
44
|
53
|
19
|
11
|
12
|
3
|
3
|
10
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3954 |
187 |
| JNC Corporation | 1545 |
121 |
| JNC Petrochemical Corporation | 329 |
111 |
| Merck Patent GmbH | 5727 |
84 |
| Chisso Petrochemical Corporation | 53 |
25 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 206 |
23 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 192 |
22 |
| Chisso Corporation | 51 |
15 |
| LG Chem, Ltd. | 17920 |
7 |
| Beijing Bayi Space LCD Technology Co., Ltd | 79 |
7 |
| Dongjin Semichem Co., Ltd. | 513 |
6 |
| FUJIFILM Corporation | 30434 |
5 |
| Dai Nippon Printing Co., Ltd. | 4224 |
4 |
| BASF SE | 21294 |
3 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8472 |
3 |
| Cambridge Enterprise Limited | 1234 |
3 |
| Industrial Cooperation Foundation Chonbuk National University | 486 |
3 |
| E. I. du Pont de Nemours and Company | 3575 |
2 |
| East China University of Science and Technology | 551 |
2 |
| Nemoptic | 7 |
2 |
| Other owners | 34 |