- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy
- H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
Patent holdings for IPC class H02J 3/18
Total number of patents in this class: 1730
10-year publication summary
114
|
143
|
157
|
187
|
159
|
146
|
147
|
124
|
96
|
32
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
78 |
Vestas Wind Systems A/S | 3459 |
58 |
ABB Schweiz AG | 6321 |
44 |
GE Infrastructure Technology, LLC | 5873 |
40 |
Siemens Energy Global GmbH & Co. KG | 2775 |
38 |
Hitachi Energy Ltd. | 1921 |
38 |
Smart Wires Inc. | 86 |
35 |
ABB Research Ltd. | 953 |
32 |
Wobben Properties GmbH | 1207 |
26 |
Mitsubishi Electric Corporation | 43934 |
25 |
General Electric Technology GmbH | 1657 |
25 |
ABB Technology AG | 1301 |
24 |
General Electric Company | 18133 |
22 |
State Grid Corporation of China | 1308 |
22 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
22 |
Hitachi, Ltd. | 16452 |
21 |
Eaton Intelligent Power Limited | 6113 |
21 |
Lsis Co., Ltd. | 834 |
15 |
Alstom Technology Ltd | 1196 |
14 |
Enphase Energy, Inc. | 554 |
14 |
Other owners | 1116 |