- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural combinations of lighting devices with other articles, not otherwise provided for
- F21V 29/89 - Metals
Patent holdings for IPC class F21V 29/89
Total number of patents in this class: 456
10-year publication summary
|
43
|
91
|
120
|
100
|
72
|
55
|
35
|
25
|
18
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6940 |
25 |
| DVA Holdings LLC | 37 |
15 |
| Ideal Industries Lighting LLC | 1153 |
14 |
| DVA Mayday Corporation, DBA Deltavation | 31 |
13 |
| LEDVANCE GmbH | 565 |
11 |
| Feit Electric Company, Inc. | 244 |
10 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1611 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 28611 |
7 |
| Bridgelux, Inc. | 357 |
7 |
| Valeo Vision | 1330 |
7 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
7 |
| Acera LLC | 19 |
7 |
| LG Electronics Inc. | 69790 |
6 |
| Epistar Corporation | 1546 |
6 |
| Kyocera Corporation | 13025 |
5 |
| LG Innotek Co., Ltd. | 6986 |
5 |
| Fortress Iron, LP | 107 |
5 |
| LED Smart Inc. | 34 |
5 |
| Lumileds LLC | 1870 |
5 |
| Putco, Inc. | 71 |
5 |
| Other owners | 281 |