- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural 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: 479
10-year publication summary
|
120
|
100
|
71
|
54
|
36
|
24
|
19
|
12
|
22
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7814 |
27 |
| DVA Holdings LLC | 36 |
15 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
13 |
| LEDVANCE GmbH | 587 |
11 |
| Feit Electric Company, Inc. | 282 |
10 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1304 |
9 |
| LG Electronics Inc. | 74502 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
8 |
| Ideal Industries Lighting LLC | 935 |
8 |
| Bridgelux, Inc. | 372 |
7 |
| Valeo Vision | 1629 |
7 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
7 |
| Acera LLC | 19 |
7 |
| Epistar Corporation | 1483 |
6 |
| Kyocera Corporation | 14199 |
5 |
| LG Innotek Co., Ltd. | 8075 |
5 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 411 |
5 |
| Leedarson Lighting Co., Ltd. | 177 |
5 |
| PrimeSource Building Products, Inc. | 320 |
5 |
| Putco, Inc. | 65 |
5 |
| Other owners | 306 |