- 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: 649
10-year publication summary
|
51
|
54
|
42
|
48
|
42
|
55
|
58
|
53
|
40
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3751 |
46 |
| Mitsubishi Electric Corporation | 47522 |
28 |
| Wobben Properties GmbH | 1220 |
24 |
| Hitachi, Ltd. | 15867 |
18 |
| Siemens AG | 24237 |
12 |
| Siemens Energy Global GmbH & Co. KG | 3237 |
12 |
| Huawei Digital Power Technologies Co. Ltd. | 2438 |
12 |
| SMA Solar Technology AG | 891 |
9 |
| Dominion Energy, Inc | 165 |
9 |
| GE Infrastructure Technology, LLC | 6214 |
9 |
| Eaton Intelligent Power Limited | 6157 |
9 |
| Hitachi Energy Ltd. | 2449 |
9 |
| General Electric Company | 13811 |
8 |
| Tsinghua University | 6101 |
8 |
| State Grid Corporation of China | 1385 |
8 |
| TMEIC Corporation | 860 |
8 |
| NR Electric Co., Ltd. | 344 |
7 |
| ABB Schweiz AG | 7403 |
6 |
| NR Engineering Co., Ltd | 303 |
6 |
| Power Management Holdings (U.S.), Inc. | 32 |
6 |
| Other owners | 395 |