- 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: 802
10-year publication summary
|
56
|
54
|
66
|
65
|
72
|
86
|
63
|
44
|
43
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8968 |
33 |
| Avantama AG | 49 |
29 |
| Nichia Corporation | 3876 |
25 |
| Samsung Electronics Co., Ltd. | 157946 |
22 |
| King Abdullah University of Science and Technology | 1855 |
18 |
| FUJIFILM Corporation | 30516 |
17 |
| Denka Company Limited | 2728 |
16 |
| Seoul Semiconductor Co., Ltd. | 1056 |
15 |
| Konica Minolta Medical & Graphic, Inc. | 590 |
12 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
12 |
| SN Display Co., Ltd. | 26 |
12 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 385 |
12 |
| Boe Technology Group Co., Ltd. | 44074 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
10 |
| Florida State University Research Foundation, Inc. | 839 |
9 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5547 |
9 |
| National Institute for Materials Science | 1086 |
8 |
| Canon Inc. | 43869 |
7 |
| Nanyang Technological University | 2211 |
7 |
| Canon Kabushiki Kaisha | 7341 |
7 |
| Other owners | 511 |