- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 19/44 - Mixtures of liquid crystal compounds covered by two or more of the preceding groups containing compounds with benzene rings directly linked
Patent holdings for IPC class C09K 19/44
Total number of patents in this class: 346
10-year publication summary
|
27
|
29
|
23
|
19
|
30
|
16
|
5
|
16
|
17
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5725 |
76 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 193 |
60 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 205 |
52 |
| Beijing Bayi Space LCD Technology Co., Ltd | 79 |
29 |
| DIC Corporation | 3961 |
22 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 47 |
16 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8471 |
6 |
| TCL China Star Optoelectronics Technology Co., Ltd. | 2529 |
6 |
| Dongjin Semichem Co., Ltd. | 513 |
5 |
| JNC Corporation | 1548 |
5 |
| JNC Petrochemical Corporation | 329 |
5 |
| Smart Liquid Crystal Technologies Co., Ltd. | 58 |
5 |
| Samsung Display Co., Ltd. | 38570 |
4 |
| FUJIFILM Corporation | 30512 |
4 |
| Huizhou China Star Optoelectronics Display Co., Ltd. | 446 |
4 |
| Huawei Technologies Co., Ltd. | 123282 |
3 |
| Boe Technology Group Co., Ltd. | 44004 |
3 |
| Bistable Optical Films Co. Ltd | 3 |
3 |
| Beijing BOE Display Technology Co., Ltd. | 2986 |
2 |
| Nagaoka University of Technology | 74 |
2 |
| Other owners | 34 |