- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 3/16 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
Patent holdings for IPC class H02J 3/16
Total number of patents in this class: 622
10-year publication summary
|
45
|
51
|
54
|
42
|
48
|
42
|
55
|
59
|
53
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3688 |
45 |
| Mitsubishi Electric Corporation | 46346 |
27 |
| Wobben Properties GmbH | 1218 |
24 |
| Hitachi, Ltd. | 15537 |
18 |
| Siemens AG | 24421 |
12 |
| Huawei Digital Power Technologies Co. Ltd. | 2221 |
12 |
| GE Infrastructure Technology, LLC | 6247 |
10 |
| Dominion Energy, Inc | 171 |
9 |
| Siemens Energy Global GmbH & Co. KG | 3007 |
9 |
| Hitachi Energy Ltd. | 2243 |
9 |
| General Electric Company | 13827 |
8 |
| SMA Solar Technology AG | 884 |
8 |
| Eaton Intelligent Power Limited | 6012 |
8 |
| Tsinghua University | 5943 |
7 |
| State Grid Corporation of China | 1371 |
7 |
| TMEIC Corporation | 793 |
7 |
| Daikin Industries, Ltd. | 10058 |
6 |
| NR Electric Co., Ltd. | 326 |
6 |
| Power Management Holdings (U.S.), Inc. | 36 |
6 |
| NEC Corporation | 35879 |
5 |
| Other owners | 379 |