- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems 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: 2391
10-year publication summary
|
184
|
187
|
153
|
162
|
160
|
194
|
188
|
220
|
257
|
106
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15895 |
85 |
| SolarEdge Technologies Ltd. | 628 |
76 |
| NEC Corporation | 36616 |
67 |
| Kyocera Corporation | 14242 |
67 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
58 |
| Siemens AG | 24200 |
43 |
| Huawei Digital Power Technologies Co. Ltd. | 2454 |
43 |
| Mitsubishi Electric Corporation | 47602 |
37 |
| Vestas Wind Systems A/S | 3754 |
36 |
| Wobben Properties GmbH | 1220 |
35 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6206 |
33 |
| Caterpillar Inc. | 10132 |
29 |
| State Grid Corporation of China | 1385 |
28 |
| Panasonic Corporation | 19586 |
23 |
| Tsinghua University | 6110 |
22 |
| ABB Schweiz AG | 7441 |
21 |
| GE Infrastructure Technology, LLC | 6212 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 9020 |
15 |
| Hitachi Energy Ltd. | 2496 |
15 |
| Siemens Gamesa Renewable Energy A/S | 1931 |
14 |
| Other owners | 1628 |