- 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: 1851
10-year publication summary
|
145
|
182
|
150
|
140
|
137
|
120
|
98
|
92
|
107
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24237 |
73 |
| Vestas Wind Systems A/S | 3751 |
61 |
| ABB Schweiz AG | 7403 |
51 |
| Hitachi Energy Ltd. | 2449 |
44 |
| Siemens Energy Global GmbH & Co. KG | 3237 |
43 |
| GE Infrastructure Technology, LLC | 6214 |
42 |
| Smart Wires Inc. | 94 |
39 |
| Mitsubishi Electric Corporation | 47522 |
28 |
| Wobben Properties GmbH | 1220 |
25 |
| ABB Technology AG | 1235 |
24 |
| State Grid Corporation of China | 1385 |
23 |
| General Electric Company | 13811 |
22 |
| Hitachi, Ltd. | 15867 |
22 |
| General Electric Technology GmbH | 1346 |
20 |
| Eaton Intelligent Power Limited | 6157 |
19 |
| ABB Research Ltd. | 825 |
18 |
| Maschinenfabrik Reinhausen GmbH | 743 |
18 |
| TMEIC Corporation | 860 |
15 |
| Alstom Technology Ltd | 1058 |
14 |
| Lsis Co., Ltd. | 814 |
14 |
| Other owners | 1236 |