- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 19/04 - Liquid crystal materials characterised by the chemical structure of the liquid crystal components
Patent holdings for IPC class C09K 19/04
Total number of patents in this class: 1286
10-year publication summary
174
|
184
|
157
|
157
|
131
|
88
|
86
|
76
|
39
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Merck Patent GmbH | 5909 |
444 |
DIC Corporation | 3597 |
118 |
FUJIFILM Corporation | 27102 |
82 |
JNC Corporation | 1527 |
79 |
JNC Petrochemical Corporation | 425 |
78 |
LG Chem, Ltd. | 17205 |
35 |
Samsung Display Co., Ltd. | 30585 |
32 |
Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 48 |
28 |
Sharp Corporation | 10015 |
26 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
20 |
Sumitomo Chemical Company, Limited | 8808 |
17 |
Zeon Corporation | 3854 |
16 |
SICPA Holding SA | 881 |
14 |
Transitions Optical, Inc. | 317 |
13 |
Rolic Technologies AG | 37 |
12 |
Jiangsu Hecheng Display Technology Co., Ltd. | 91 |
10 |
Transitions Optical Limited | 133 |
10 |
Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd. | 41 |
9 |
Boe Technology Group Co., Ltd. | 35384 |
8 |
Kent State University | 247 |
8 |
Other owners | 227 |