- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 19/30 - Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
Patent holdings for IPC class C09K 19/30
Total number of patents in this class: 2044
10-year publication summary
|
224
|
222
|
197
|
129
|
80
|
66
|
49
|
41
|
45
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5725 |
484 |
| DIC Corporation | 3961 |
333 |
| JNC Corporation | 1548 |
249 |
| JNC Petrochemical Corporation | 329 |
227 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 205 |
144 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 193 |
106 |
| Chisso Petrochemical Corporation | 53 |
49 |
| Samsung Display Co., Ltd. | 38570 |
48 |
| FUJIFILM Corporation | 30512 |
39 |
| Chisso Corporation | 51 |
27 |
| Beijing Bayi Space LCD Technology Co., Ltd | 79 |
24 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8471 |
23 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 47 |
21 |
| Ticona LLC | 604 |
14 |
| Sharp Corporation | 10533 |
13 |
| Dongjin Semichem Co., Ltd. | 513 |
13 |
| LG Chem, Ltd. | 17921 |
12 |
| Sumitomo Chemical Company, Limited | 8996 |
11 |
| Sharp Kabushiki Kaisha | 18530 |
9 |
| Industrial Technology Research Institute | 5211 |
8 |
| Other owners | 190 |