- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/45 - Regulating voltage or current wherein the variable is actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
Patent holdings for IPC class G05F 1/45
Total number of patents in this class: 33
10-year publication summary
|
4
|
5
|
4
|
4
|
5
|
5
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rkc Instrument Inc. | 85 |
8 |
| Intelesol, LLC | 38 |
5 |
| STMicroelectronics (China) Investment Co. Ltd | 29 |
4 |
| Lutron Technology Company LLC | 2300 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Qualcomm Incorporated | 76576 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Panasonic Electric Works Co., Ltd. | 782 |
1 |
| SK Hynix Inc. | 11030 |
1 |
| Kokusai Electric Semiconductor Service Inc. | 7 |
1 |
| Leco Corporation | 200 |
1 |
| Maxim Integrated Products, Inc. | 1041 |
1 |
| Microchip Technology Incorporated | 2644 |
1 |
| The Regents of the University of Colorado, a body corporate | 2430 |
1 |
| Sanko Co., Ltd. | 53 |
1 |
| Square D Company | 115 |
1 |
| Dean Technology, Inc. | 11 |
1 |
| Conair LLC | 1284 |
1 |
| Other owners | 0 |