- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 19/34 - Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
Patent holdings for IPC class C09K 19/34
Total number of patents in this class: 1904
10-year publication summary
|
158
|
199
|
170
|
197
|
179
|
123
|
72
|
65
|
56
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5909 |
423 |
| JNC Corporation | 1527 |
327 |
| JNC Petrochemical Corporation | 425 |
305 |
| DIC Corporation | 3597 |
291 |
| FUJIFILM Corporation | 27102 |
73 |
| Chisso Petrochemical Corporation | 66 |
45 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 48 |
33 |
| Samsung Display Co., Ltd. | 30585 |
26 |
| Chisso Corporation | 70 |
25 |
| LG Chem, Ltd. | 17205 |
18 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 91 |
17 |
| Ticona LLC | 547 |
15 |
| Beijing Bayi Space LCD Technology Co., Ltd | 55 |
15 |
| Zeon Corporation | 3854 |
14 |
| Nitto Denko Corporation | 7879 |
13 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 41 |
12 |
| Sumitomo Chemical Company, Limited | 8808 |
10 |
| Crysoptix KK | 38 |
8 |
| SICPA Holding SA | 881 |
8 |
| Industrial Technology Research Institute | 4898 |
7 |
| Other owners | 219 |