- 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: 920
10-year publication summary
|
54
|
70
|
50
|
64
|
88
|
73
|
67
|
100
|
91
|
37
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 16452 |
55 |
| Wobben Properties GmbH | 1207 |
48 |
| Vestas Wind Systems A/S | 3459 |
42 |
| Siemens AG | 24990 |
36 |
| State Grid Corporation of China | 1308 |
29 |
| GE Infrastructure Technology, LLC | 5873 |
19 |
| ABB Research Ltd. | 953 |
17 |
| Battelle Memorial Institute | 2356 |
14 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 244 |
12 |
| General Electric Company | 18133 |
10 |
| General Electric Technology GmbH | 1657 |
10 |
| Smart Wires Inc. | 86 |
10 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
10 |
| Huawei Digital Power Technologies Co. Ltd. | 1527 |
10 |
| Hitachi Energy Ltd. | 1921 |
10 |
| Tsinghua University | 5426 |
9 |
| Flexgen Power Systems, Inc. | 33 |
9 |
| North China Electric Power University | 142 |
9 |
| NR Electric Co., Ltd. | 302 |
9 |
| Mitsubishi Electric Corporation | 43934 |
8 |
| Other owners | 544 |