- 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: 803
10-year publication summary
|
33
|
61
|
88
|
96
|
106
|
93
|
72
|
71
|
45
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 149087 |
112 |
| Samsung Display Co., Ltd. | 36265 |
64 |
| Shoei Chemical Inc. | 328 |
56 |
| FUJIFILM Corporation | 29817 |
41 |
| Merck Patent GmbH | 5759 |
35 |
| Nanoco Technologies Ltd. | 145 |
34 |
| Samsung SDI Co., Ltd. | 8878 |
24 |
| 3m Innovative Properties Company | 17730 |
23 |
| Shin-Etsu Chemical Co., Ltd. | 5784 |
17 |
| Nanosys, Inc. | 115 |
17 |
| Boe Technology Group Co., Ltd. | 41781 |
16 |
| Nexdot | 72 |
14 |
| DIC Corporation | 3848 |
10 |
| TCL Technology Group Corporation | 602 |
10 |
| LG Display Co., Ltd. | 13872 |
9 |
| Sumitomo Chemical Company, Limited | 9109 |
9 |
| Najing Technology Corporation Limited | 101 |
9 |
| Sharp Corporation | 10304 |
8 |
| Nippon Chemical Industrial Co., Ltd. | 289 |
8 |
| Nippon Electric Glass Co., Ltd. | 2479 |
8 |
| Other owners | 279 |