Patent holdings for IPC class C09K 11/02

Total number of patents in this class: 5355

10-year publication summary

687
492
425
430
469
405
397
413
491
58
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
37252
387
Universal Display Corporation
2003
324
Samsung Electronics Co., Ltd.
151485
315
Merck Patent GmbH
5724
173
Samsung SDI Co., Ltd.
9263
158
Boe Technology Group Co., Ltd.
42489
99
Semiconductor Energy Laboratory Co., Ltd.
11608
93
OSRAM Opto Semiconductors GmbH
3277
84
Idemitsu Kosan Co., Ltd.
4231
83
LG Chem, Ltd.
17737
81
Shoei Chemical Inc.
329
75
LG Display Co., Ltd.
14085
65
Nichia Corporation
3796
61
Sumitomo Chemical Company, Limited
9053
55
DuPont Specialty Materials Korea Ltd.
285
52
FUJIFILM Corporation
30034
51
Nanoco Technologies Ltd.
144
50
TCL Technology Group Corporation
608
45
Lumileds Singapore Pte. Ltd.
1263
44
3m Innovative Properties Company
17592
38
Other owners 3022