- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 3/26 - Arrangements for eliminating or reducing asymmetry in polyphase networks
Patent holdings for IPC class H02J 3/26
Total number of patents in this class: 455
10-year publication summary
|
31
|
26
|
26
|
22
|
33
|
26
|
23
|
34
|
26
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24029 |
27 |
| SMA Solar Technology AG | 905 |
13 |
| Wobben Properties GmbH | 1219 |
13 |
| Optivolt Labs, Inc. | 29 |
10 |
| Mitsubishi Electric Corporation | 48018 |
9 |
| Vestas Wind Systems A/S | 3796 |
9 |
| International Business Machines Corporation | 62634 |
8 |
| Smart Wires Inc. | 95 |
8 |
| Cisco Technology, Inc. | 22493 |
7 |
| Hitachi Energy Ltd. | 2579 |
6 |
| ABB Schweiz AG | 7607 |
5 |
| Audi AG | 7563 |
5 |
| Itron, Inc. | 983 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
4 |
| General Electric Technology GmbH | 1337 |
4 |
| MAHLE International GmbH | 2911 |
4 |
| NR Electric Co., Ltd. | 346 |
4 |
| NR Engineering Co., Ltd | 305 |
4 |
| Schneider Electric IT Corporation | 791 |
4 |
| Schneider Electric USA, Inc. | 1331 |
4 |
| Other owners | 302 |