- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
Patent holdings for IPC class H02J 3/38
Total number of patents in this class: 11858
10-year publication summary
|
979
|
935
|
938
|
898
|
851
|
954
|
994
|
985
|
1031
|
607
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3800 |
360 |
| Huawei Digital Power Technologies Co. Ltd. | 2553 |
285 |
| Kyocera Corporation | 14404 |
246 |
| SMA Solar Technology AG | 906 |
220 |
| SolarEdge Technologies Ltd. | 631 |
217 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
213 |
| Wobben Properties GmbH | 1220 |
209 |
| Mitsubishi Electric Corporation | 48097 |
188 |
| Hitachi, Ltd. | 16146 |
186 |
| Siemens AG | 24011 |
185 |
| GE Infrastructure Technology, LLC | 6163 |
144 |
| Enphase Energy, Inc. | 579 |
142 |
| Sungrow Power Supply Co., Ltd. | 749 |
142 |
| ABB Schweiz AG | 7640 |
138 |
| General Electric Company | 13908 |
104 |
| NEC Corporation | 37064 |
96 |
| Siemens Gamesa Renewable Energy A/S | 1966 |
88 |
| Hitachi Energy Ltd. | 2593 |
80 |
| Huawei Technologies Co., Ltd. | 123677 |
69 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6172 |
64 |
| Other owners | 8482 |