- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 19/20 - Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters
Patent holdings for IPC class C09K 19/20
Total number of patents in this class: 1311
10-year publication summary
|
132
|
102
|
106
|
94
|
73
|
35
|
32
|
20
|
23
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JNC Corporation | 1561 |
226 |
| JNC Petrochemical Corporation | 399 |
209 |
| DIC Corporation | 3801 |
208 |
| Merck Patent GmbH | 5815 |
169 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 199 |
65 |
| FUJIFILM Corporation | 29437 |
62 |
| Chisso Petrochemical Corporation | 61 |
46 |
| Chisso Corporation | 64 |
25 |
| LG Chem, Ltd. | 17635 |
24 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 105 |
19 |
| Industrial Technology Research Institute | 5081 |
11 |
| Boe Technology Group Co., Ltd. | 41291 |
10 |
| Sumitomo Chemical Company, Limited | 9043 |
9 |
| Nissan Chemical Industries, Ltd. | 1711 |
9 |
| Samsung Display Co., Ltd. | 34907 |
8 |
| Zeon Corporation | 4079 |
8 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 44 |
7 |
| Beijing Bayi Space LCD Technology Co., Ltd | 64 |
7 |
| Sharp Corporation | 10265 |
6 |
| Semiconductor Energy Laboratory Co., Ltd. | 11428 |
6 |
| Other owners | 177 |