- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy
- H02J 3/46 - Controlling the sharing of output between the generators, converters, or transformers
Patent holdings for IPC class H02J 3/46
Total number of patents in this class: 1864
10-year publication summary
|
117
|
123
|
183
|
187
|
151
|
165
|
158
|
192
|
181
|
83
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 16452 |
73 |
| NEC Corporation | 32703 |
68 |
| Kyocera Corporation | 12735 |
64 |
| SolarEdge Technologies Ltd. | 493 |
47 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
40 |
| Siemens AG | 24990 |
38 |
| Wobben Properties GmbH | 1207 |
35 |
| Mitsubishi Electric Corporation | 43934 |
34 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
33 |
| Vestas Wind Systems A/S | 3459 |
28 |
| Huawei Digital Power Technologies Co. Ltd. | 1527 |
28 |
| State Grid Corporation of China | 1308 |
27 |
| Panasonic Corporation | 20786 |
25 |
| ABB Schweiz AG | 6321 |
22 |
| Tsinghua University | 5426 |
17 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
17 |
| Caterpillar Inc. | 8877 |
15 |
| GE Infrastructure Technology, LLC | 5873 |
13 |
| Sharp Kabushiki Kaisha | 18957 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
11 |
| Other owners | 1217 |