- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy
- H02J 3/01 - Arrangements for reducing harmonics or ripples
Patent holdings for IPC class H02J 3/01
Total number of patents in this class: 619
10-year publication summary
|
41
|
50
|
56
|
65
|
58
|
48
|
42
|
51
|
54
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
27 |
| Daikin Industries, Ltd. | 9495 |
22 |
| Siemens AG | 24990 |
14 |
| ABB Schweiz AG | 6321 |
12 |
| Vestas Wind Systems A/S | 3459 |
9 |
| Apparent Labs, LLC | 27 |
9 |
| Wobben Properties GmbH | 1207 |
8 |
| Hitachi Energy Ltd. | 1921 |
8 |
| State Grid Corporation of China | 1308 |
7 |
| TCI, LLC | 39 |
7 |
| Fuji Electric Co., Ltd. | 4750 |
6 |
| General Electric Technology GmbH | 1657 |
6 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
5 |
| Huawei Digital Power Technologies Co. Ltd. | 1527 |
5 |
| General Electric Company | 18133 |
4 |
| Toshiba Corporation | 12017 |
4 |
| Delta Electronics, Inc. | 2401 |
4 |
| COMSYS AB | 21 |
4 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
4 |
| GridBridge, Inc. | 9 |
4 |
| Other owners | 450 |