- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/28 - Layout of windings or of connections between windings
Patent holdings for IPC class H02K 3/28
Total number of patents in this class: 3353
10-year publication summary
|
271
|
309
|
282
|
299
|
326
|
345
|
274
|
279
|
235
|
122
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25513 |
185 |
| Mitsubishi Electric Corporation | 47971 |
149 |
| Robert Bosch GmbH | 44128 |
73 |
| Nidec Corporation | 2806 |
72 |
| Valeo Equipements Electriques Moteur | 940 |
55 |
| BorgWarner Inc. | 2581 |
51 |
| ZF Friedrichshafen AG | 7235 |
48 |
| Hitachi Astemo, Ltd. | 6410 |
48 |
| Schaeffler Technologies AG & Co. KG | 10948 |
41 |
| Honda Motor Co., Ltd. | 26008 |
40 |
| Toyota Motor Corporation | 35680 |
32 |
| Valeo Eautomotive Germany GmbH | 341 |
32 |
| Ford Global Technologies, LLC | 21478 |
31 |
| Aisin AW Co., Ltd. | 2256 |
31 |
| Siemens Gamesa Renewable Energy A/S | 1960 |
29 |
| Mitsubishi Electric Mobility Corporation | 1145 |
29 |
| Siemens AG | 24033 |
26 |
| Toshiba Corporation | 12548 |
26 |
| GM Global Technology Operations LLC | 16106 |
26 |
| Infinitum Electric Inc. | 91 |
26 |
| Other owners | 2303 |