- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
Patent holdings for IPC class C09K 11/88
Total number of patents in this class: 1436
10-year publication summary
82
|
83
|
143
|
133
|
145
|
160
|
176
|
173
|
162
|
48
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 131630 |
211 |
Shoei Chemical Inc. | 320 |
67 |
Samsung Display Co., Ltd. | 30585 |
64 |
Boe Technology Group Co., Ltd. | 35384 |
50 |
TCL Technology Group Corporation | 466 |
48 |
Merck Patent GmbH | 5909 |
41 |
Nexdot | 66 |
30 |
OSRAM Opto Semiconductors GmbH | 3390 |
28 |
Najing Technology Corporation Limited | 88 |
27 |
Nanoco Technologies Ltd. | 148 |
25 |
Samsung SDI Co., Ltd. | 6671 |
20 |
Nanosys, Inc. | 152 |
20 |
3m Innovative Properties Company | 18406 |
18 |
NS Materials Inc. | 54 |
17 |
Sharp Corporation | 10015 |
16 |
LG Display Co., Ltd. | 11907 |
15 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
15 |
Intematix Corporation | 223 |
15 |
Lumileds LLC | 1827 |
15 |
FUJIFILM Corporation | 27102 |
14 |
Other owners | 680 |