- 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: 441
10-year publication summary
|
23
|
31
|
50
|
26
|
25
|
16
|
14
|
13
|
8
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46926 |
20 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 987 |
11 |
| Delta Electronics, Inc. | 2675 |
9 |
| STMicroelectronics S.r.l. | 3439 |
8 |
| Daikin Industries, Ltd. | 10166 |
8 |
| GE Infrastructure Technology, LLC | 6190 |
8 |
| Texas Instruments Incorporated | 19495 |
7 |
| Copeland LP | 693 |
7 |
| TMEIC Corporation | 811 |
7 |
| Semiconductor Components Industries, L.L.C. | 5297 |
6 |
| Schweitzer Engineering Laboratories, Inc. | 910 |
6 |
| Hitachi, Ltd. | 15692 |
5 |
| Hitachi Energy Ltd. | 2331 |
5 |
| General Electric Company | 13840 |
4 |
| Korea Electric Power Corporation | 469 |
4 |
| Smart Wires Inc. | 93 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 1109 |
4 |
| Samsung Electronics Co., Ltd. | 149087 |
3 |
| Toshiba Corporation | 12548 |
3 |
| Hewlett-Packard Development Company, L.P. | 25585 |
3 |
| Other owners | 309 |