Patent holdings for IPC class C09K 11/02

Total number of patents in this class: 5509

10-year publication summary

695
501
430
441
485
412
402
423
492
212
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
38570
402
Universal Display Corporation
2079
335
Samsung Electronics Co., Ltd.
157557
317
Merck Patent GmbH
5725
171
Samsung SDI Co., Ltd.
10556
171
Boe Technology Group Co., Ltd.
44004
105
Semiconductor Energy Laboratory Co., Ltd.
11797
96
LG Chem, Ltd.
17921
86
Idemitsu Kosan Co., Ltd.
4234
84
OSRAM Opto Semiconductors GmbH
3248
83
Shoei Chemical Inc.
332
75
LG Display Co., Ltd.
14965
65
Nichia Corporation
3872
62
DuPont Specialty Materials Korea Ltd.
302
57
Sumitomo Chemical Company, Limited
8996
56
FUJIFILM Corporation
30512
52
Nanoco Technologies Ltd.
143
50
TCL Technology Group Corporation
620
48
Lumileds Singapore Pte. Ltd.
1261
44
UDC Ireland Limited
508
42
Other owners 3108