- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 1353
10-year publication summary
|
132
|
132
|
102
|
106
|
94
|
73
|
35
|
32
|
21
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3597 |
260 |
| JNC Corporation | 1527 |
244 |
| JNC Petrochemical Corporation | 425 |
225 |
| Merck Patent GmbH | 5909 |
177 |
| FUJIFILM Corporation | 27102 |
62 |
| Chisso Petrochemical Corporation | 66 |
47 |
| Chisso Corporation | 70 |
25 |
| LG Chem, Ltd. | 17205 |
24 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 91 |
18 |
| Industrial Technology Research Institute | 4898 |
11 |
| Boe Technology Group Co., Ltd. | 35384 |
11 |
| Sumitomo Chemical Company, Limited | 8808 |
9 |
| Nissan Chemical Industries, Ltd. | 1822 |
9 |
| Samsung Display Co., Ltd. | 30585 |
8 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 48 |
8 |
| Zeon Corporation | 3854 |
8 |
| Sharp Corporation | 10015 |
7 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 41 |
7 |
| Beijing Bayi Space LCD Technology Co., Ltd | 55 |
7 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
6 |
| Other owners | 180 |