- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 753
10-year publication summary
|
68
|
73
|
62
|
54
|
42
|
47
|
54
|
50
|
36
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3547 |
72 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 408 |
51 |
| General Electric Company | 17789 |
50 |
| Konica Minolta Medical & Graphic, Inc. | 877 |
46 |
| Denka Company Limited | 2459 |
34 |
| Samsung Electronics Co., Ltd. | 139001 |
27 |
| Current Lighting Solutions, LLC | 207 |
22 |
| Shin-Etsu Chemical Co., Ltd. | 5446 |
19 |
| National Institute for Materials Science | 1108 |
15 |
| Intematix Corporation | 212 |
13 |
| Koito Manufacturing Co., Ltd. | 2129 |
13 |
| Mitsubishi Chemical Corporation | 4447 |
10 |
| Toshiba Materials Co., Ltd. | 631 |
10 |
| Seoul Semiconductor Co., Ltd. | 1068 |
9 |
| Tohoku University | 2683 |
8 |
| Avantama AG | 46 |
8 |
| Dolby Intellectual Property Licensing, LLC | 23 |
8 |
| Toshiba Corporation | 12051 |
7 |
| Bridgelux, Inc. | 361 |
7 |
| GE Lighting Solutions, LLC | 179 |
7 |
| Other owners | 317 |