- 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: 1101
10-year publication summary
|
126
|
139
|
129
|
107
|
131
|
143
|
119
|
107
|
124
|
65
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8181 |
80 |
| Elemental LED, Inc. | 187 |
37 |
| Self Electronics Co., Ltd. | 184 |
34 |
| Zumtobel Lighting GmbH | 761 |
24 |
| DVA Holdings LLC | 37 |
15 |
| Chien, Aaron | 97 |
13 |
| Chien, Te-ju | 97 |
13 |
| Wang, Hsin-yi | 97 |
13 |
| Xiamen PVTECH Co., Ltd. | 196 |
12 |
| ABL IP Holding LLC | 1879 |
11 |
| Hubbell Lighting, Inc | 566 |
11 |
| Fluence Bioengineering, Inc. | 115 |
11 |
| Xiamen Leedarson Lighting Co.Ltd. | 103 |
11 |
| Korrus, Inc. | 487 |
11 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
10 |
| Guangdong OML Technology Co., Ltd. | 28 |
10 |
| Lutron Technology Company LLC | 2774 |
10 |
| Led-ip Management, LLC | 815 |
10 |
| Boe Technology Group Co., Ltd. | 44653 |
8 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 385 |
8 |
| Other owners | 749 |