- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems 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: 710
10-year publication summary
|
53
|
65
|
56
|
47
|
41
|
50
|
55
|
60
|
51
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47131 |
27 |
| Daikin Industries, Ltd. | 10168 |
22 |
| ABB Schweiz AG | 7240 |
14 |
| Siemens AG | 24304 |
13 |
| Vestas Wind Systems A/S | 3730 |
10 |
| Huawei Digital Power Technologies Co. Ltd. | 2342 |
10 |
| Apparent Labs, LLC | 33 |
9 |
| TCI, LLC | 38 |
8 |
| Wobben Properties GmbH | 1222 |
8 |
| Delta Electronics (Shanghai) Co., Ltd. | 736 |
7 |
| State Grid Corporation of China | 1381 |
7 |
| Fuji Electric Co., Ltd. | 5290 |
6 |
| Sungrow Power Supply Co., Ltd. | 618 |
6 |
| Toshiba Energy Systems & Solutions Corp. | 1110 |
6 |
| Hitachi Energy Ltd. | 2357 |
6 |
| GridBridge, Inc. | 10 |
5 |
| SMA Solar Technology AG | 889 |
5 |
| GE Infrastructure Technology, LLC | 6200 |
5 |
| Siemens Gamesa Renewable Energy A/S | 1916 |
5 |
| General Electric Renovables España, S.L. | 308 |
5 |
| Other owners | 526 |