- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 3/04 - Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
Patent holdings for IPC class H02J 3/04
Total number of patents in this class: 194
10-year publication summary
|
14
|
10
|
9
|
10
|
11
|
13
|
22
|
25
|
26
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rondo Energy, Inc. | 95 |
61 |
| Siemens AG | 24029 |
9 |
| Eaton Intelligent Power Limited | 6243 |
7 |
| Blue Power Systems, Inc. | 7 |
6 |
| Mitsubishi Electric Corporation | 48018 |
4 |
| Google LLC | 44482 |
4 |
| Schneider Electric Industries SAS | 1593 |
3 |
| Wobben Properties GmbH | 1219 |
3 |
| Honda Motor Co., Ltd. | 26025 |
2 |
| Amazon Technologies, Inc. | 28087 |
2 |
| Danmarks Tekniske Universitet | 1025 |
2 |
| Electricite de France | 754 |
2 |
| Generac Power Systems, Inc. | 394 |
2 |
| Kongsberg Maritime AS | 129 |
2 |
| Korea Electric Power Corporation | 463 |
2 |
| Reactive Technologies Limited | 46 |
2 |
| RV Lizenz AG | 13 |
2 |
| Tokyo Electric Power Company Holdings, Incorporated | 98 |
2 |
| Companhia Hidro Eléctrica do São Francisco—CHESF | 2 |
2 |
| Siemens Mobility GmbH | 1873 |
2 |
| Other owners | 73 |