- 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: 766
10-year publication summary
33
|
56
|
54
|
66
|
65
|
72
|
86
|
59
|
43
|
18
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Chemical Company, Limited | 9009 |
39 |
Avantama AG | 48 |
29 |
Nichia Corporation | 3653 |
25 |
Samsung Electronics Co., Ltd. | 144143 |
21 |
King Abdullah University of Science and Technology | 1767 |
18 |
FUJIFILM Corporation | 29228 |
17 |
Seoul Semiconductor Co., Ltd. | 1080 |
16 |
Denka Company Limited | 2533 |
15 |
Konica Minolta Medical & Graphic, Inc. | 799 |
13 |
Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
12 |
Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 402 |
12 |
Boe Technology Group Co., Ltd. | 40613 |
11 |
Shin-Etsu Chemical Co., Ltd. | 5598 |
10 |
SN Display Co., Ltd. | 24 |
10 |
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5225 |
9 |
Florida State University Research Foundation, Inc. | 729 |
8 |
National Institute for Materials Science | 1108 |
8 |
Samsung Display Co., Ltd. | 34230 |
6 |
The Regents of the University of California | 19812 |
6 |
Massachusetts Institute of Technology | 10013 |
6 |
Other owners | 475 |