Patent holdings for IPC class C09K 11/02

Total number of patents in this class: 5563

10-year publication summary

695
501
430
441
486
412
403
425
492
258
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
39012
412
Universal Display Corporation
2101
338
Samsung Electronics Co., Ltd.
158842
319
Samsung SDI Co., Ltd.
10782
172
Merck Patent GmbH
5742
171
Boe Technology Group Co., Ltd.
44549
107
Semiconductor Energy Laboratory Co., Ltd.
11890
98
LG Chem, Ltd.
17967
87
Idemitsu Kosan Co., Ltd.
4269
86
OSRAM Opto Semiconductors GmbH
3238
83
Shoei Chemical Inc.
336
75
LG Display Co., Ltd.
15038
65
Nichia Corporation
3888
64
DuPont Specialty Materials Korea Ltd.
307
57
Sumitomo Chemical Company, Limited
8967
54
FUJIFILM Corporation
30653
52
Nanoco Technologies Ltd.
143
50
TCL Technology Group Corporation
622
48
Beijing BOE Technology Development Co., Ltd.
4357
44
Lumileds Singapore Pte. Ltd.
1261
44
Other owners 3137