- 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: 787
10-year publication summary
|
73
|
62
|
54
|
42
|
47
|
56
|
54
|
38
|
39
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3876 |
76 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 385 |
51 |
| General Electric Company | 13910 |
43 |
| Denka Company Limited | 2728 |
36 |
| Konica Minolta Medical & Graphic, Inc. | 590 |
32 |
| Samsung Electronics Co., Ltd. | 157946 |
27 |
| Signify Holding B.V. | 8061 |
26 |
| Current Lighting Solutions, LLC | 186 |
22 |
| Edison Innovations, LLC | 75 |
22 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
19 |
| Bridgelux, Inc. | 359 |
15 |
| National Institute for Materials Science | 1086 |
15 |
| Intematix Corporation | 176 |
13 |
| Koito Manufacturing Co., Ltd. | 2455 |
13 |
| Mitsubishi Chemical Corporation | 4723 |
11 |
| Toshiba Materials Co., Ltd. | 563 |
10 |
| Tohoku University | 2981 |
8 |
| Avantama AG | 49 |
8 |
| GE Lighting Solutions, LLC | 178 |
7 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
7 |
| Other owners | 326 |