- 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: 3173
10-year publication summary
|
267
|
268
|
299
|
280
|
290
|
323
|
341
|
268
|
274
|
152
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24387 |
177 |
| Mitsubishi Electric Corporation | 46295 |
146 |
| Robert Bosch GmbH | 42742 |
77 |
| Nidec Corporation | 2668 |
71 |
| Valeo Equipements Electriques Moteur | 997 |
58 |
| BorgWarner Inc. | 2602 |
48 |
| Hitachi Astemo, Ltd. | 6385 |
48 |
| ZF Friedrichshafen AG | 7166 |
42 |
| Honda Motor Co., Ltd. | 25352 |
36 |
| Schaeffler Technologies AG & Co. KG | 9955 |
32 |
| Ford Global Technologies, LLC | 20676 |
31 |
| Aisin AW Co., Ltd. | 2324 |
31 |
| Siemens Gamesa Renewable Energy A/S | 1895 |
29 |
| Siemens AG | 24436 |
28 |
| Toyota Motor Corporation | 32599 |
28 |
| Valeo Eautomotive Germany GmbH | 260 |
28 |
| Toshiba Corporation | 12383 |
26 |
| Amotech Co., Ltd. | 523 |
25 |
| Hamilton Sundstrand Corporation | 4902 |
24 |
| Infinitum Electric Inc. | 87 |
24 |
| Other owners | 2164 |