- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21S - Non-portable lighting devicessystems thereofvehicle lighting devices specially adapted for vehicle exteriors
- F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
Patent holdings for IPC class F21S 4/28
Total number of patents in this class: 1047
10-year publication summary
|
117
|
127
|
118
|
99
|
127
|
136
|
114
|
105
|
114
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7780 |
73 |
| Elemental LED, Inc. | 175 |
37 |
| Self Electronics Co., Ltd. | 167 |
32 |
| Zumtobel Lighting GmbH | 756 |
24 |
| DVA Holdings LLC | 36 |
14 |
| Hubbell Lighting, Inc | 612 |
13 |
| Chien, Aaron | 98 |
13 |
| Chien, Te-ju | 98 |
13 |
| Wang, Hsin-yi | 98 |
13 |
| Xiamen PVTECH Co., Ltd. | 169 |
12 |
| ABL IP Holding LLC | 1897 |
11 |
| Fluence Bioengineering, Inc. | 117 |
11 |
| Xiamen Leedarson Lighting Co.Ltd. | 103 |
11 |
| Korrus, Inc. | 475 |
11 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
10 |
| Guangdong OML Technology Co., Ltd. | 28 |
10 |
| Lutron Technology Company LLC | 2666 |
9 |
| Ideal Industries Lighting LLC | 935 |
9 |
| OSRAM SYLVANIA Inc. | 668 |
8 |
| Boe Technology Group Co., Ltd. | 42451 |
8 |
| Other owners | 705 |