Patent holdings for IPC class C09K 19/44

Total number of patents in this class: 326

10-year publication summary

46
49
27
29
23
19
30
16
5
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Merck Patent GmbH
5909
87
DIC Corporation
3597
59
Jiangsu Hecheng Display Technology Co., Ltd.
91
41
Beijing Bayi Space LCD Technology Co., Ltd
55
22
Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.
41
16
JNC Corporation
1527
15
JNC Petrochemical Corporation
425
13
Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.
48
13
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8635
6
Smart Liquid Crystal Technologies Co., Ltd.
45
5
Samsung Display Co., Ltd.
30585
4
Dongjin Semichem Co., Ltd.
438
4
FUJIFILM Corporation
27102
2
DIC Corporation (Tokyo)
15
2
Nagaoka University of Technology
78
2
Nissan Chemical Industries, Ltd.
1822
2
University of Hyogo
94
2
VVI Bright China Ltd.
6
2
Fujian Yongjing Technology Co., Ltd
43
2
LG Display Co., Ltd.
11907
1
Other owners 26