- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 45/34 - Voltage stabilisation; Maintaining constant voltage
Patent holdings for IPC class H05B 45/34
Total number of patents in this class: 138
10-year publication summary
|
1
|
4
|
2
|
3
|
3
|
7
|
47
|
38
|
26
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6837 |
10 |
| Rohm Co., Ltd. | 5843 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Texas Instruments Incorporated | 19376 |
3 |
| Alcon, Inc. | 4899 |
3 |
| eldoLAB Holding B.V. | 189 |
3 |
| Elemental LED, Inc. | 165 |
3 |
| Lumileds LLC | 1827 |
3 |
| Semisilicon Technology Corp. | 59 |
3 |
| Universal Lighting Technologies, Inc. | 165 |
3 |
| Valeo Vision | 1219 |
3 |
| CH Lighting Technology Co., Ltd | 32 |
3 |
| Hisense Visual Technology Co., Ltd. | 725 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Koito Manufacturing Co., Ltd. | 1991 |
2 |
| Leedarson Lighting Co., Ltd. | 119 |
2 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 326 |
2 |
| Philips Lighting Holding B.V. | 1437 |
2 |
| Taiwan Oasis Technology Co., Ltd. | 27 |
2 |
| Other owners | 77 |