- 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: 938
10-year publication summary
|
61
|
83
|
159
|
146
|
134
|
151
|
88
|
60
|
48
|
11
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABL IP Holding LLC | 1949 |
38 |
| Signify Holding B.V. | 6423 |
28 |
| Hubbell Lighting, Inc | 744 |
27 |
| LG Innotek Co., Ltd. | 5916 |
24 |
| Ideal Industries Lighting LLC | 1316 |
21 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1886 |
18 |
| Kenall Manufacturing Company | 128 |
17 |
| Current Lighting Solutions, LLC | 257 |
14 |
| Epistar Corporation | 1571 |
13 |
| Dialight Corporation | 237 |
12 |
| L&L Candle Company, LLC | 262 |
12 |
| Lumileds LLC | 1621 |
11 |
| Optovate Limited | 34 |
11 |
| Eaton Intelligent Power Limited | 5809 |
11 |
| Korrus, Inc. | 447 |
9 |
| Nichia Corporation | 2994 |
8 |
| citizen Electronics Co., Ltd. | 420 |
8 |
| OSRAM GmbH | 2675 |
7 |
| Alltemp Products Company Limited | 68 |
7 |
| Seoul Semiconductor Co., Ltd. | 1065 |
7 |
| Other owners | 635 |