- 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: 665
10-year publication summary
|
52
|
58
|
45
|
49
|
45
|
59
|
58
|
54
|
41
|
29
|
| 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 | 3791 |
46 |
| Mitsubishi Electric Corporation | 47943 |
29 |
| Wobben Properties GmbH | 1221 |
25 |
| Hitachi, Ltd. | 16047 |
17 |
| Siemens AG | 24050 |
12 |
| Siemens Energy Global GmbH & Co. KG | 3328 |
12 |
| Huawei Digital Power Technologies Co. Ltd. | 2541 |
12 |
| Eaton Intelligent Power Limited | 6227 |
10 |
| Hitachi Energy Ltd. | 2557 |
10 |
| SMA Solar Technology AG | 902 |
9 |
| Dominion Energy, Inc | 167 |
9 |
| GE Infrastructure Technology, LLC | 6169 |
9 |
| TMEIC Corporation | 905 |
9 |
| General Electric Company | 13894 |
8 |
| Tsinghua University | 6199 |
8 |
| State Grid Corporation of China | 1399 |
8 |
| NR Electric Co., Ltd. | 346 |
7 |
| ABB Schweiz AG | 7578 |
6 |
| NR Engineering Co., Ltd | 305 |
6 |
| Power Management Holdings (U.S.), Inc. | 32 |
6 |
| Other owners | 407 |