- 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: 483
10-year publication summary
|
120
|
100
|
72
|
55
|
36
|
25
|
19
|
13
|
22
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8146 |
27 |
| DVA Holdings LLC | 37 |
15 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
13 |
| LEDVANCE GmbH | 588 |
11 |
| Feit Electric Company, Inc. | 298 |
10 |
| LG Electronics Inc. | 75910 |
9 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1241 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
7 |
| Bridgelux, Inc. | 358 |
7 |
| Valeo Vision | 1760 |
7 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
7 |
| Acera LLC | 21 |
7 |
| Led-ip Management, LLC | 822 |
7 |
| Kyocera Corporation | 14433 |
5 |
| LG Innotek Co., Ltd. | 8525 |
5 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 423 |
5 |
| Leedarson Lighting Co., Ltd. | 191 |
5 |
| PrimeSource Building Products, Inc. | 349 |
5 |
| Putco, Inc. | 66 |
5 |
| Self Electronics Co., Ltd. | 182 |
5 |
| Other owners | 312 |