- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/66 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing germanium, tin or lead
Patent holdings for IPC class C09K 11/66
Total number of patents in this class: 764
10-year publication summary
|
32
|
56
|
54
|
66
|
64
|
71
|
86
|
59
|
43
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9043 |
38 |
| Avantama AG | 48 |
29 |
| Nichia Corporation | 3713 |
24 |
| Samsung Electronics Co., Ltd. | 146811 |
22 |
| King Abdullah University of Science and Technology | 1787 |
18 |
| FUJIFILM Corporation | 29437 |
17 |
| Denka Company Limited | 2590 |
16 |
| Seoul Semiconductor Co., Ltd. | 1081 |
16 |
| Konica Minolta Medical & Graphic, Inc. | 775 |
13 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
12 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 395 |
12 |
| Boe Technology Group Co., Ltd. | 41291 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5669 |
10 |
| SN Display Co., Ltd. | 24 |
10 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5300 |
9 |
| Florida State University Research Foundation, Inc. | 750 |
8 |
| National Institute for Materials Science | 1104 |
8 |
| Samsung Display Co., Ltd. | 34907 |
6 |
| The Regents of the University of California | 19961 |
6 |
| Massachusetts Institute of Technology | 10062 |
6 |
| Other owners | 473 |