Patent holdings for IPC class C09K 11/02

Total number of patents in this class: 5289

10-year publication summary

515
687
492
425
430
469
403
396
412
468
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
36165
376
Samsung Electronics Co., Ltd.
148924
317
Universal Display Corporation
1959
311
Merck Patent GmbH
5755
172
Samsung SDI Co., Ltd.
9032
148
Boe Technology Group Co., Ltd.
41648
96
Semiconductor Energy Laboratory Co., Ltd.
11547
88
OSRAM Opto Semiconductors GmbH
3286
84
Idemitsu Kosan Co., Ltd.
4225
81
LG Chem, Ltd.
17682
80
Shoei Chemical Inc.
327
74
LG Display Co., Ltd.
13863
65
Nichia Corporation
3770
61
Sumitomo Chemical Company, Limited
9110
55
FUJIFILM Corporation
29797
51
Nanoco Technologies Ltd.
145
50
DuPont Specialty Materials Korea Ltd.
298
50
TCL Technology Group Corporation
600
44
Lumileds Singapore Pte. Ltd.
1264
44
3m Innovative Properties Company
17737
38
Other owners 3004