- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21K - Non-electric light sources using luminescencelight sources using electrochemiluminescencelight sources using charges of combustible materiallight sources using semiconductor devices as light-generating elementslight sources not otherwise provided for
- F21K 9/00 - Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
Patent holdings for IPC class F21K 9/00
Total number of patents in this class: 836
10-year publication summary
|
146
|
134
|
151
|
89
|
63
|
50
|
50
|
38
|
24
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8181 |
42 |
| ABL IP Holding LLC | 1879 |
38 |
| LG Innotek Co., Ltd. | 8566 |
28 |
| Hubbell Lighting, Inc | 566 |
24 |
| Wangs Alliance Corp., DBA WAC Lighting | 261 |
18 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1237 |
15 |
| Optovate Limited | 36 |
13 |
| Korrus, Inc. | 487 |
13 |
| L&L Candle Company, LLC | 289 |
12 |
| Dialight Corporation | 215 |
11 |
| Nichia Corporation | 3889 |
10 |
| Ideal Industries Lighting LLC | 137 |
10 |
| Legrand Lighting Manufacturing Co. | 89 |
10 |
| citizen Electronics Co., Ltd. | 340 |
8 |
| Lumileds LLC | 789 |
8 |
| Edisonled LLC | 52 |
8 |
| Seoul Semiconductor Co., Ltd. | 1060 |
7 |
| Eaton Intelligent Power Limited | 6276 |
7 |
| HLI Solutions, Inc. | 177 |
7 |
| Led-ip Management, LLC | 815 |
7 |
| Other owners | 540 |