- 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: 1235
10-year publication summary
|
49
|
63
|
87
|
70
|
67
|
102
|
90
|
120
|
134
|
74
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15944 |
60 |
| Vestas Wind Systems A/S | 3770 |
53 |
| Wobben Properties GmbH | 1220 |
44 |
| Siemens AG | 24132 |
36 |
| State Grid Corporation of China | 1393 |
32 |
| GE Infrastructure Technology, LLC | 6181 |
21 |
| Hitachi Energy Ltd. | 2519 |
21 |
| Huawei Digital Power Technologies Co. Ltd. | 2506 |
20 |
| Mitsubishi Electric Corporation | 47722 |
18 |
| Tsinghua University | 6128 |
16 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 441 |
15 |
| Siemens Gamesa Renewable Energy A/S | 1937 |
14 |
| North China Electric Power University | 183 |
13 |
| Battelle Memorial Institute | 2598 |
12 |
| ABB Research Ltd. | 810 |
12 |
| Schneider Electric USA, Inc. | 1346 |
10 |
| Shandong University | 1134 |
10 |
| Smart Wires Inc. | 95 |
10 |
| Guangdong Power Grid Co., Ltd. | 220 |
10 |
| Sungrow Power Supply (Nanjing) Co., Ltd. | 16 |
10 |
| Other owners | 798 |