- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 19/52 - Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives
Patent holdings for IPC class C09K 19/52
Total number of patents in this class: 673
10-year publication summary
|
44
|
35
|
39
|
26
|
16
|
25
|
17
|
13
|
13
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5909 |
72 |
| LG Chem, Ltd. | 17205 |
36 |
| FUJIFILM Corporation | 27102 |
35 |
| Ticona LLC | 547 |
34 |
| JNC Corporation | 1527 |
33 |
| JNC Petrochemical Corporation | 425 |
29 |
| Samsung Display Co., Ltd. | 30585 |
25 |
| Sumitomo Chemical Company, Limited | 8808 |
22 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
22 |
| DIC Corporation | 3597 |
22 |
| Kent State University | 247 |
14 |
| LG Display Co., Ltd. | 11907 |
12 |
| Industrial Technology Research Institute | 4898 |
11 |
| Boe Technology Group Co., Ltd. | 35384 |
11 |
| Transitions Optical, Inc. | 317 |
11 |
| Zeon Corporation | 3854 |
11 |
| Au Optronics Corporation | 3880 |
10 |
| SICPA Holding SA | 881 |
8 |
| ENEOS Corporation | 611 |
8 |
| Sharp Corporation | 10015 |
6 |
| Other owners | 241 |