- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 3/48 - Controlling the sharing of the in-phase component
Patent holdings for IPC class H02J 3/48
Total number of patents in this class: 489
10-year publication summary
|
11
|
13
|
30
|
27
|
52
|
47
|
45
|
60
|
43
|
42
|
| 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 | 3770 |
40 |
| Wobben Properties GmbH | 1221 |
26 |
| Siemens AG | 24122 |
11 |
| Causam Enterprises, Inc. | 129 |
11 |
| SMA Solar Technology AG | 897 |
9 |
| Huawei Digital Power Technologies Co. Ltd. | 2508 |
9 |
| Siemens Gamesa Renewable Energy A/S | 1940 |
8 |
| General Electric Renovables España, S.L. | 310 |
8 |
| Guangdong Power Grid Co., Ltd. | 225 |
7 |
| Hitachi Energy Ltd. | 2527 |
7 |
| General Electric Company | 13823 |
6 |
| Tsinghua University | 6147 |
6 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 382 |
6 |
| Nanjing University of Posts and Telecommunications | 449 |
6 |
| State Grid Electric Power Research Institute Co. Ltd | 17 |
6 |
| NR Electric Co., Ltd. | 345 |
5 |
| NR Engineering Co., Ltd | 304 |
5 |
| State Grid Corporation of China | 1393 |
5 |
| Tesla, Inc. | 1933 |
5 |
| GE Infrastructure Technology, LLC | 6180 |
5 |
| Other owners | 298 |