- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 11/54 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing zinc or cadmium
Patent holdings for IPC class C09K 11/54
Total number of patents in this class: 299
10-year publication summary
|
17
|
16
|
19
|
27
|
11
|
18
|
26
|
25
|
21
|
4
|
| 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 |
20 |
| TCL Technology Group Corporation | 466 |
13 |
| Boe Technology Group Co., Ltd. | 35384 |
12 |
| Samsung Display Co., Ltd. | 30585 |
11 |
| Panasonic Corporation | 20786 |
7 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
6 |
| The Regents of the University of California | 18943 |
5 |
| FUJIFILM Corporation | 27102 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
5 |
| Samsung SDI Co., Ltd. | 6671 |
5 |
| Najing Technology Corporation Limited | 88 |
4 |
| Sakai Chemical Industry Co., Ltd. | 266 |
4 |
| Shoei Chemical Inc. | 320 |
4 |
| National Technology & Engineering Solutions of Sandia, LLC | 1851 |
4 |
| Merck Patent GmbH | 5909 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Konica Minolta, Inc. | 8349 |
3 |
| TCL Corporation | 65 |
3 |
| DIC Corporation | 3597 |
3 |
| Hansol Chemical Co., Ltd. | 90 |
3 |
| Other owners | 176 |