- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus
Patent holdings for IPC class C09K 11/70
Total number of patents in this class: 796
10-year publication summary
|
34
|
62
|
90
|
96
|
106
|
93
|
72
|
69
|
46
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 145630 |
121 |
| Shoei Chemical Inc. | 321 |
54 |
| Samsung Display Co., Ltd. | 34595 |
52 |
| FUJIFILM Corporation | 29329 |
41 |
| Merck Patent GmbH | 5828 |
35 |
| Nanoco Technologies Ltd. | 144 |
33 |
| 3m Innovative Properties Company | 17852 |
23 |
| Samsung SDI Co., Ltd. | 8230 |
21 |
| Nanosys, Inc. | 120 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 5644 |
16 |
| Boe Technology Group Co., Ltd. | 40988 |
15 |
| Nexdot | 71 |
14 |
| DIC Corporation | 3786 |
10 |
| TCL Technology Group Corporation | 586 |
10 |
| LG Display Co., Ltd. | 13401 |
9 |
| Sumitomo Chemical Company, Limited | 9046 |
9 |
| Najing Technology Corporation Limited | 101 |
9 |
| Sharp Corporation | 10313 |
8 |
| Nippon Chemical Industrial Co., Ltd. | 282 |
8 |
| Nippon Electric Glass Co., Ltd. | 2454 |
8 |
| Other owners | 282 |