- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/70 - Regulating power factor; Regulating reactive current or power
Patent holdings for IPC class G05F 1/70
Total number of patents in this class: 474
10-year publication summary
|
23
|
23
|
32
|
50
|
27
|
26
|
16
|
13
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
17 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
16 |
| STMicroelectronics S.r.l. | 3693 |
11 |
| Texas Instruments Incorporated | 19376 |
10 |
| Delta Electronics, Inc. | 2401 |
10 |
| Semiconductor Components Industries, L.L.C. | 5345 |
8 |
| GE Infrastructure Technology, LLC | 5873 |
8 |
| Daikin Industries, Ltd. | 9495 |
7 |
| Copeland LP | 656 |
7 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
6 |
| Marvell Asia PTE, Ltd. | 6841 |
6 |
| Cavium International | 5549 |
6 |
| General Electric Company | 18133 |
5 |
| Hitachi, Ltd. | 16452 |
5 |
| Infineon Technologies Americas Corp. | 768 |
5 |
| Hitachi Energy Ltd. | 1921 |
5 |
| Korea Electric Power Corporation | 467 |
4 |
| Smart Wires Inc. | 86 |
4 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
4 |
| Other owners | 326 |