- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/61 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
Patent holdings for IPC class C09K 11/61
Total number of patents in this class: 762
10-year publication summary
|
68
|
73
|
62
|
54
|
42
|
47
|
54
|
51
|
38
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3669 |
73 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 401 |
51 |
| General Electric Company | 13830 |
44 |
| Konica Minolta Medical & Graphic, Inc. | 796 |
43 |
| Denka Company Limited | 2536 |
34 |
| Samsung Electronics Co., Ltd. | 144426 |
27 |
| Current Lighting Solutions, LLC | 193 |
21 |
| Shin-Etsu Chemical Co., Ltd. | 5602 |
19 |
| Edison Innovations, LLC | 703 |
18 |
| National Institute for Materials Science | 1107 |
15 |
| Intematix Corporation | 203 |
13 |
| Koito Manufacturing Co., Ltd. | 2214 |
13 |
| Signify Holding B.V. | 7434 |
11 |
| Mitsubishi Chemical Corporation | 4492 |
10 |
| Bridgelux, Inc. | 364 |
10 |
| Toshiba Materials Co., Ltd. | 660 |
10 |
| Tohoku University | 2762 |
8 |
| Avantama AG | 48 |
8 |
| Toshiba Corporation | 12300 |
7 |
| GE Lighting Solutions, LLC | 178 |
7 |
| Other owners | 320 |