- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 19/12 - Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
Patent holdings for IPC class C09K 19/12
Total number of patents in this class: 1780
10-year publication summary
|
161
|
180
|
153
|
179
|
141
|
92
|
59
|
45
|
47
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3597 |
375 |
| Merck Patent GmbH | 5909 |
358 |
| JNC Corporation | 1527 |
301 |
| JNC Petrochemical Corporation | 425 |
281 |
| Chisso Petrochemical Corporation | 66 |
53 |
| Samsung Display Co., Ltd. | 30585 |
42 |
| Chisso Corporation | 70 |
31 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 91 |
31 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 48 |
31 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
19 |
| FUJIFILM Corporation | 27102 |
18 |
| Sharp Corporation | 10015 |
10 |
| Industrial Technology Research Institute | 4898 |
9 |
| Nitto Denko Corporation | 7879 |
8 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 41 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Beijing Bayi Space LCD Technology Co., Ltd | 55 |
7 |
| Sharp Kabushiki Kaisha | 18957 |
7 |
| Au Optronics Corporation | 3880 |
5 |
| Adeka Corporation | 1333 |
5 |
| Other owners | 174 |