- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/71 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus also containing alkaline earth metals
Patent holdings for IPC class C09K 11/71
Total number of patents in this class: 66
10-year publication summary
|
3
|
8
|
5
|
4
|
5
|
3
|
4
|
3
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1
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edison Innovations, LLC | 468 |
9 |
| General Electric Company | 13840 |
4 |
| Giesecke+Devrient Currency Technology GmbH | 915 |
3 |
| Samsung Electronics Co., Ltd. | 149087 |
2 |
| Merck Patent GmbH | 5759 |
2 |
| Duk San Neolux Co., Ltd. | 667 |
2 |
| Dyden Corporation | 51 |
2 |
| Ledvance LLC | 315 |
2 |
| Niigata University | 229 |
2 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
2 |
| Savant Technologies, LLC | 353 |
2 |
| Samsung Display Co., Ltd. | 36265 |
1 |
| Sharp Corporation | 10304 |
1 |
| Koninklijke Philips Electronics N.V. | 8817 |
1 |
| Industrial Technology Research Institute | 5082 |
1 |
| Sumitomo Chemical Company, Limited | 9109 |
1 |
| LG Innotek Co., Ltd. | 7924 |
1 |
| OSRAM SYLVANIA Inc. | 675 |
1 |
| Changchun Institute of Applied Chemistry Chinese Academy of Sciences | 110 |
1 |
| Daiichi Kigenso Kagaku Kogyo Co., Ltd. | 173 |
1 |
| Other owners | 25 |