- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 19/04 - Liquid crystal materials characterised by the chemical structure of the liquid crystal components
Patent holdings for IPC class C09K 19/04
Total number of patents in this class: 1306
10-year publication summary
|
184
|
157
|
157
|
131
|
89
|
89
|
84
|
46
|
51
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5829 |
457 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 198 |
126 |
| FUJIFILM Corporation | 29305 |
92 |
| JNC Corporation | 1552 |
64 |
| JNC Petrochemical Corporation | 401 |
63 |
| Samsung Display Co., Ltd. | 34539 |
30 |
| LG Chem, Ltd. | 17598 |
30 |
| DIC Corporation | 3782 |
25 |
| Sharp Corporation | 10312 |
24 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
20 |
| Sumitomo Chemical Company, Limited | 9040 |
17 |
| Zeon Corporation | 4078 |
16 |
| Rolic Technologies AG | 44 |
15 |
| SICPA Holding SA | 910 |
14 |
| Transitions Optical, Inc. | 256 |
12 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 104 |
11 |
| Transitions Optical Limited | 160 |
11 |
| Kent State University | 241 |
9 |
| Rolic AG | 71 |
8 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 43 |
8 |
| Other owners | 254 |