- 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: 434
10-year publication summary
|
32
|
51
|
27
|
26
|
16
|
14
|
13
|
8
|
11
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
21 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 967 |
11 |
| Delta Electronics, Inc. | 2830 |
9 |
| Daikin Industries, Ltd. | 10504 |
8 |
| Texas Instruments Incorporated | 19653 |
7 |
| GE Infrastructure Technology, LLC | 6165 |
7 |
| Copeland LP | 705 |
7 |
| STMicroelectronics S.r.l. | 3374 |
6 |
| Schweitzer Engineering Laboratories, Inc. | 906 |
6 |
| Hitachi Energy Ltd. | 2586 |
6 |
| TMEIC Corporation | 911 |
6 |
| Semiconductor Components Industries, L.L.C. | 5263 |
5 |
| Optivolt Labs, Inc. | 29 |
5 |
| Hitachi, Ltd. | 16113 |
4 |
| Korea Electric Power Corporation | 465 |
4 |
| Smart Wires Inc. | 95 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 1148 |
4 |
| Samsung Electronics Co., Ltd. | 157946 |
3 |
| General Electric Company | 13910 |
3 |
| Toshiba Corporation | 12569 |
3 |
| Other owners | 305 |