- 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: 1538
10-year publication summary
|
83
|
143
|
133
|
145
|
160
|
178
|
176
|
164
|
141
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 138518 |
213 |
| Samsung Display Co., Ltd. | 32700 |
83 |
| Shoei Chemical Inc. | 330 |
71 |
| Boe Technology Group Co., Ltd. | 38777 |
58 |
| TCL Technology Group Corporation | 539 |
54 |
| Merck Patent GmbH | 5847 |
41 |
| Nexdot | 68 |
30 |
| OSRAM Opto Semiconductors GmbH | 3337 |
29 |
| Najing Technology Corporation Limited | 92 |
28 |
| Samsung SDI Co., Ltd. | 7296 |
21 |
| Nanoco Technologies Ltd. | 144 |
21 |
| NS Materials Inc. | 59 |
21 |
| Shin-Etsu Chemical Co., Ltd. | 5439 |
20 |
| Sharp Corporation | 10185 |
19 |
| Nanosys, Inc. | 125 |
19 |
| 3m Innovative Properties Company | 17955 |
18 |
| LG Display Co., Ltd. | 12875 |
15 |
| FUJIFILM Corporation | 28506 |
15 |
| Lumileds LLC | 1878 |
15 |
| Intematix Corporation | 213 |
14 |
| Other owners | 733 |