- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications 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: 1876
10-year publication summary
|
170
|
197
|
179
|
123
|
72
|
66
|
59
|
48
|
60
|
38
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5728 |
444 |
| JNC Corporation | 1548 |
248 |
| JNC Petrochemical Corporation | 329 |
228 |
| DIC Corporation | 3962 |
227 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 205 |
107 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 193 |
88 |
| FUJIFILM Corporation | 30514 |
73 |
| Chisso Petrochemical Corporation | 53 |
43 |
| Samsung Display Co., Ltd. | 38627 |
27 |
| Beijing Bayi Space LCD Technology Co., Ltd | 79 |
25 |
| Chisso Corporation | 51 |
23 |
| LG Chem, Ltd. | 17921 |
15 |
| Ticona LLC | 604 |
15 |
| Nitto Denko Corporation | 8536 |
14 |
| Zeon Corporation | 4147 |
14 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 47 |
13 |
| Sumitomo Chemical Company, Limited | 9016 |
10 |
| TCL China Star Optoelectronics Technology Co., Ltd. | 2528 |
9 |
| SICPA Holding SA | 946 |
8 |
| Industrial Technology Research Institute | 5209 |
7 |
| Other owners | 238 |