- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/70 - Regulating power factorRegulating reactive current or power
Patent holdings for IPC class G05F 1/70
Total number of patents in this class: 450
10-year publication summary
|
23
|
32
|
51
|
27
|
26
|
16
|
14
|
12
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45646 |
19 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 993 |
11 |
| Texas Instruments Incorporated | 19481 |
9 |
| Delta Electronics, Inc. | 2573 |
9 |
| STMicroelectronics S.r.l. | 3622 |
8 |
| Daikin Industries, Ltd. | 9937 |
8 |
| GE Infrastructure Technology, LLC | 6184 |
8 |
| Semiconductor Components Industries, L.L.C. | 5240 |
7 |
| Copeland LP | 686 |
7 |
| Schweitzer Engineering Laboratories, Inc. | 914 |
6 |
| TMEIC Corporation | 750 |
6 |
| General Electric Company | 17062 |
5 |
| Hitachi, Ltd. | 15383 |
5 |
| Hitachi Energy Ltd. | 2169 |
5 |
| Infineon Technologies Americas Corp. | 697 |
4 |
| Korea Electric Power Corporation | 468 |
4 |
| Smart Wires Inc. | 91 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 1056 |
4 |
| Toshiba Corporation | 12261 |
3 |
| Infineon Technologies Austria AG | 2118 |
3 |
| Other owners | 315 |