- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 47/24 - Circuit arrangements for protecting against overvoltage
Patent holdings for IPC class H05B 47/24
Total number of patents in this class: 55
10-year publication summary
|
0
|
1
|
0
|
5
|
5
|
9
|
8
|
9
|
10
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8100 |
6 |
| Lutron Technology Company LLC | 2759 |
4 |
| ABL IP Holding LLC | 1885 |
3 |
| Valeo Vision | 1752 |
3 |
| Xiamen PVTECH Co., Ltd. | 194 |
3 |
| Rohm Co., Ltd. | 6846 |
2 |
| OSRAM GmbH | 2197 |
2 |
| Elemental LED, Inc. | 187 |
2 |
| Leviton Manufacturing Co., Inc. | 811 |
2 |
| Tridonic GmbH & Co KG | 1043 |
2 |
| Ams-osram AG | 361 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34145 |
1 |
| Amazon Technologies, Inc. | 28182 |
1 |
| LG Innotek Co., Ltd. | 8498 |
1 |
| Express Imaging Systems, LLC | 96 |
1 |
| Godox Photo Equipment Co., Ltd. | 133 |
1 |
| Koito Manufacturing Co., Ltd. | 2455 |
1 |
| Leedarson Lighting Co., Ltd. | 190 |
1 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 332 |
1 |
| Shanghai Bright Power Semiconductor Co., Ltd. | 90 |
1 |
| Other owners | 15 |