- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 45/34 - Voltage stabilisationMaintaining constant voltage
Patent holdings for IPC class H05B 45/34
Total number of patents in this class: 226
10-year publication summary
|
2
|
4
|
3
|
7
|
47
|
38
|
27
|
31
|
44
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8061 |
14 |
| Semisilicon Technology Corp. | 65 |
8 |
| Rohm Co., Ltd. | 6837 |
6 |
| Valeo Vision | 1747 |
6 |
| Texas Instruments Incorporated | 19653 |
4 |
| Elemental LED, Inc. | 186 |
4 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 421 |
4 |
| Koito Manufacturing Co., Ltd. | 2455 |
4 |
| Savant Technologies, LLC | 387 |
4 |
| Hisense Visual Technology Co., Ltd. | 998 |
4 |
| META Platforms Technologies, LLC | 6473 |
4 |
| Samsung Electronics Co., Ltd. | 157946 |
3 |
| Apple Inc. | 58885 |
3 |
| Alcon, Inc. | 5876 |
3 |
| eldoLAB Holding B.V. | 189 |
3 |
| O2Micro, Inc. | 37 |
3 |
| Opple Lighting Co., Ltd. | 922 |
3 |
| Tridonic GmbH & Co KG | 1042 |
3 |
| Universal Lighting Technologies, Inc. | 96 |
3 |
| CH Lighting Technology Co., Ltd | 32 |
3 |
| Other owners | 137 |