- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 3/24 - Arrangements for preventing or reducing oscillations of power in networks
Patent holdings for IPC class H02J 3/24
Total number of patents in this class: 1127
10-year publication summary
|
64
|
45
|
60
|
84
|
64
|
67
|
101
|
89
|
117
|
102
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15556 |
59 |
| Vestas Wind Systems A/S | 3688 |
50 |
| Wobben Properties GmbH | 1219 |
48 |
| Siemens AG | 24409 |
37 |
| State Grid Corporation of China | 1371 |
32 |
| GE Infrastructure Technology, LLC | 6246 |
22 |
| Huawei Digital Power Technologies Co. Ltd. | 2226 |
18 |
| Hitachi Energy Ltd. | 2280 |
18 |
| Mitsubishi Electric Corporation | 46397 |
17 |
| ABB Research Ltd. | 878 |
16 |
| Battelle Memorial Institute | 2492 |
14 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 348 |
14 |
| North China Electric Power University | 177 |
13 |
| Tsinghua University | 5951 |
11 |
| Siemens Gamesa Renewable Energy A/S | 1898 |
11 |
| Shandong University | 1053 |
10 |
| Smart Wires Inc. | 92 |
10 |
| General Electric Company | 13845 |
9 |
| China Electric Power Research Institute | 275 |
9 |
| Flexgen Power Systems, Inc. | 34 |
9 |
| Other owners | 700 |