- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems 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: 1016
10-year publication summary
70
|
50
|
64
|
88
|
74
|
68
|
101
|
93
|
115
|
10
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi, Ltd. | 15226 |
58 |
Wobben Properties GmbH | 1212 |
48 |
Vestas Wind Systems A/S | 3579 |
46 |
Siemens AG | 24565 |
37 |
State Grid Corporation of China | 1347 |
30 |
GE Infrastructure Technology, LLC | 6114 |
21 |
ABB Research Ltd. | 912 |
17 |
Hitachi Energy Ltd. | 2232 |
17 |
Battelle Memorial Institute | 2419 |
14 |
Xi'an Thermal Power Research Institute Co., Ltd. | 297 |
13 |
Huawei Digital Power Technologies Co. Ltd. | 1871 |
13 |
Mitsubishi Electric Corporation | 44851 |
12 |
North China Electric Power University | 166 |
12 |
Siemens Gamesa Renewable Energy A/S | 1803 |
11 |
General Electric Company | 17789 |
10 |
Tsinghua University | 5705 |
10 |
General Electric Technology GmbH | 1599 |
10 |
Smart Wires Inc. | 89 |
10 |
Flexgen Power Systems, Inc. | 37 |
9 |
NR Electric Co., Ltd. | 316 |
9 |
Other owners | 609 |