- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 19/42 - Mixtures of liquid crystal compounds covered by two or more of the preceding groups
Patent holdings for IPC class C09K 19/42
Total number of patents in this class: 708
10-year publication summary
|
69
|
62
|
44
|
53
|
19
|
11
|
12
|
3
|
4
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3597 |
208 |
| JNC Corporation | 1527 |
133 |
| JNC Petrochemical Corporation | 425 |
123 |
| Merck Patent GmbH | 5909 |
93 |
| Chisso Petrochemical Corporation | 66 |
33 |
| Chisso Corporation | 70 |
23 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 91 |
10 |
| LG Chem, Ltd. | 17205 |
7 |
| FUJIFILM Corporation | 27102 |
6 |
| Dongjin Semichem Co., Ltd. | 438 |
6 |
| Dai Nippon Printing Co., Ltd. | 3891 |
4 |
| Beijing Bayi Space LCD Technology Co., Ltd | 55 |
4 |
| BASF SE | 19740 |
3 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
3 |
| Adeka Corporation | 1333 |
3 |
| Cambridge Enterprise Limited | 1096 |
3 |
| Dainippon Ink and Chemicals, Inc. | 77 |
3 |
| Industrial Cooperation Foundation Chonbuk National University | 434 |
3 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| Other owners | 36 |