- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/571 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overvoltage detector
Patent holdings for IPC class G05F 1/571
Total number of patents in this class: 130
10-year publication summary
|
7
|
9
|
5
|
18
|
19
|
15
|
13
|
9
|
13
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
13 |
| Rohm Co., Ltd. | 5843 |
8 |
| Ablic Inc. | 621 |
7 |
| International Business Machines Corporation | 60644 |
4 |
| NXP USA, Inc. | 4155 |
4 |
| Infineon Technologies AG | 8189 |
3 |
| Semiconductor Components Industries, L.L.C. | 5345 |
3 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Dialog Semiconductor (UK) Limited | 448 |
3 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 326 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| Intel Corporation | 45621 |
2 |
| Micron Technology, Inc. | 24960 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| NPX B.V. | 2204 |
2 |
| Mediatek Inc. | 4584 |
2 |
| Fuji Electric Co., Ltd. | 4750 |
2 |
| Omron Corporation | 6968 |
2 |
| Realtek Semiconductor Corp. | 3028 |
2 |
| Other owners | 59 |