- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems 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: 1834
10-year publication summary
|
131
|
145
|
182
|
150
|
140
|
137
|
120
|
97
|
94
|
78
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24386 |
75 |
| Vestas Wind Systems A/S | 3691 |
61 |
| ABB Schweiz AG | 7055 |
48 |
| GE Infrastructure Technology, LLC | 6248 |
42 |
| Siemens Energy Global GmbH & Co. KG | 3020 |
41 |
| Hitachi Energy Ltd. | 2284 |
41 |
| Smart Wires Inc. | 92 |
38 |
| Mitsubishi Electric Corporation | 46449 |
27 |
| Wobben Properties GmbH | 1219 |
26 |
| ABB Research Ltd. | 874 |
25 |
| ABB Technology AG | 1251 |
24 |
| State Grid Corporation of China | 1374 |
23 |
| General Electric Company | 13859 |
22 |
| Hitachi, Ltd. | 15572 |
22 |
| General Electric Technology GmbH | 1373 |
21 |
| Eaton Intelligent Power Limited | 6023 |
20 |
| Maschinenfabrik Reinhausen GmbH | 751 |
15 |
| Alstom Technology Ltd | 1094 |
14 |
| Enphase Energy, Inc. | 604 |
14 |
| Lsis Co., Ltd. | 816 |
14 |
| Other owners | 1221 |