- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21K - Non-electric light sources using luminescence; light sources using electrochemiluminescence; light sources using charges of combustible material; light sources using semiconductor devices as light-generating elements; light 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: 931
10-year publication summary
|
83
|
160
|
146
|
134
|
151
|
89
|
61
|
48
|
47
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABL IP Holding LLC | 1929 |
38 |
| Signify Holding B.V. | 6837 |
31 |
| LG Innotek Co., Ltd. | 6758 |
26 |
| Hubbell Lighting, Inc | 673 |
25 |
| Ideal Industries Lighting LLC | 1168 |
22 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
17 |
| Kenall Manufacturing Company | 139 |
16 |
| Wangs Alliance Corp., DBA WAC Lighting | 125 |
15 |
| Epistar Corporation | 1553 |
13 |
| Lumileds LLC | 1827 |
13 |
| Optovate Limited | 37 |
13 |
| Dialight Corporation | 233 |
12 |
| L&L Candle Company, LLC | 275 |
12 |
| Eaton Intelligent Power Limited | 6113 |
11 |
| Korrus, Inc. | 447 |
9 |
| Nichia Corporation | 3394 |
8 |
| citizen Electronics Co., Ltd. | 378 |
8 |
| Seoul Semiconductor Co., Ltd. | 1073 |
8 |
| Valoya Oy | 60 |
7 |
| 10644137 Canada Inc. | 59 |
6 |
| Other owners | 621 |