- 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: 521
10-year publication summary
|
11
|
13
|
30
|
27
|
52
|
47
|
45
|
61
|
44
|
69
|
| 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 | 3817 |
40 |
| Wobben Properties GmbH | 1222 |
26 |
| Siemens AG | 23956 |
11 |
| SMA Solar Technology AG | 907 |
11 |
| Causam Enterprises, Inc. | 132 |
11 |
| General Electric Renovables España, S.L. | 314 |
10 |
| Siemens Gamesa Renewable Energy A/S | 1972 |
9 |
| Huawei Digital Power Technologies Co. Ltd. | 2561 |
9 |
| Hitachi Energy Ltd. | 2642 |
9 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 390 |
7 |
| Guangdong Power Grid Co., Ltd. | 231 |
7 |
| General Electric Company | 13982 |
6 |
| Tsinghua University | 6248 |
6 |
| State Grid Corporation of China | 1405 |
6 |
| Nanjing University of Posts and Telecommunications | 454 |
6 |
| State Grid Electric Power Research Institute Co. Ltd | 17 |
6 |
| Mitsubishi Electric Corporation | 48351 |
5 |
| NR Electric Co., Ltd. | 348 |
5 |
| NR Engineering Co., Ltd | 308 |
5 |
| Tesla, Inc. | 2028 |
5 |
| Other owners | 321 |