- 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: 3238
10-year publication summary
|
268
|
299
|
280
|
290
|
323
|
341
|
268
|
274
|
233
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24863 |
180 |
| Mitsubishi Electric Corporation | 47131 |
147 |
| Robert Bosch GmbH | 43097 |
74 |
| Nidec Corporation | 2717 |
71 |
| Valeo Equipements Electriques Moteur | 980 |
57 |
| BorgWarner Inc. | 2599 |
51 |
| Hitachi Astemo, Ltd. | 6379 |
48 |
| ZF Friedrichshafen AG | 7184 |
45 |
| Honda Motor Co., Ltd. | 25783 |
40 |
| Schaeffler Technologies AG & Co. KG | 10418 |
37 |
| Ford Global Technologies, LLC | 20984 |
31 |
| Aisin AW Co., Ltd. | 2296 |
31 |
| Valeo Eautomotive Germany GmbH | 294 |
30 |
| Siemens AG | 24304 |
28 |
| Toyota Motor Corporation | 33664 |
28 |
| Siemens Gamesa Renewable Energy A/S | 1916 |
28 |
| Toshiba Corporation | 12550 |
26 |
| GM Global Technology Operations LLC | 15466 |
26 |
| Amotech Co., Ltd. | 532 |
25 |
| Infinitum Electric Inc. | 85 |
25 |
| Other owners | 2210 |