- 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: 221
10-year publication summary
|
2
|
4
|
3
|
7
|
47
|
38
|
27
|
31
|
44
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7915 |
13 |
| Semisilicon Technology Corp. | 63 |
7 |
| Rohm Co., Ltd. | 6772 |
6 |
| Valeo Vision | 1662 |
6 |
| Texas Instruments Incorporated | 19628 |
4 |
| Elemental LED, Inc. | 179 |
4 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 416 |
4 |
| Koito Manufacturing Co., Ltd. | 2402 |
4 |
| Savant Technologies, LLC | 374 |
4 |
| Hisense Visual Technology Co., Ltd. | 972 |
4 |
| META Platforms Technologies, LLC | 6343 |
4 |
| Samsung Electronics Co., Ltd. | 154751 |
3 |
| Apple Inc. | 58208 |
3 |
| Alcon, Inc. | 5739 |
3 |
| eldoLAB Holding B.V. | 189 |
3 |
| O2Micro, Inc. | 33 |
3 |
| Opple Lighting Co., Ltd. | 897 |
3 |
| Tridonic GmbH & Co KG | 1031 |
3 |
| Universal Lighting Technologies, Inc. | 96 |
3 |
| CH Lighting Technology Co., Ltd | 32 |
3 |
| Other owners | 134 |