Patent holdings for IPC class C09K 11/02

Total number of patents in this class: 5442

10-year publication summary

695
501
430
441
485
411
400
422
492
143
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
37981
392
Universal Display Corporation
2052
333
Samsung Electronics Co., Ltd.
154751
316
Merck Patent GmbH
5669
171
Samsung SDI Co., Ltd.
10047
165
Boe Technology Group Co., Ltd.
43166
101
Semiconductor Energy Laboratory Co., Ltd.
11708
95
LG Chem, Ltd.
17867
85
Idemitsu Kosan Co., Ltd.
4210
84
OSRAM Opto Semiconductors GmbH
3262
84
Shoei Chemical Inc.
332
75
LG Display Co., Ltd.
14344
65
Nichia Corporation
3838
62
Sumitomo Chemical Company, Limited
9013
55
DuPont Specialty Materials Korea Ltd.
291
55
FUJIFILM Corporation
30296
52
Nanoco Technologies Ltd.
144
50
TCL Technology Group Corporation
607
45
Lumileds Singapore Pte. Ltd.
1256
44
UDC Ireland Limited
512
42
Other owners 3071