- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 2115
10-year publication summary
|
218
|
255
|
224
|
222
|
197
|
129
|
80
|
65
|
49
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5909 |
468 |
| DIC Corporation | 3597 |
429 |
| JNC Corporation | 1527 |
325 |
| JNC Petrochemical Corporation | 425 |
304 |
| Chisso Petrochemical Corporation | 66 |
57 |
| Samsung Display Co., Ltd. | 30585 |
48 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 48 |
37 |
| FUJIFILM Corporation | 27102 |
36 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 91 |
36 |
| Chisso Corporation | 70 |
35 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
23 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 41 |
21 |
| Beijing Bayi Space LCD Technology Co., Ltd | 55 |
21 |
| Sharp Corporation | 10015 |
14 |
| Ticona LLC | 547 |
14 |
| Dongjin Semichem Co., Ltd. | 438 |
13 |
| LG Chem, Ltd. | 17205 |
12 |
| Sumitomo Chemical Company, Limited | 8808 |
11 |
| Sharp Kabushiki Kaisha | 18957 |
9 |
| Industrial Technology Research Institute | 4898 |
8 |
| Other owners | 194 |