- 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: 447
10-year publication summary
|
23
|
32
|
51
|
27
|
26
|
16
|
14
|
13
|
8
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46037 |
20 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 994 |
11 |
| Delta Electronics, Inc. | 2606 |
9 |
| Texas Instruments Incorporated | 19468 |
8 |
| STMicroelectronics S.r.l. | 3611 |
8 |
| Daikin Industries, Ltd. | 9991 |
8 |
| GE Infrastructure Technology, LLC | 6213 |
8 |
| Copeland LP | 701 |
7 |
| TMEIC Corporation | 774 |
7 |
| Semiconductor Components Industries, L.L.C. | 5252 |
6 |
| Schweitzer Engineering Laboratories, Inc. | 913 |
6 |
| General Electric Company | 13767 |
5 |
| Hitachi, Ltd. | 15476 |
5 |
| Hitachi Energy Ltd. | 2204 |
5 |
| Infineon Technologies Americas Corp. | 678 |
4 |
| Korea Electric Power Corporation | 468 |
4 |
| Smart Wires Inc. | 92 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 1077 |
4 |
| Toshiba Corporation | 12334 |
3 |
| Infineon Technologies Austria AG | 2147 |
3 |
| Other owners | 312 |