- 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: 3291
10-year publication summary
|
268
|
299
|
280
|
290
|
323
|
341
|
269
|
275
|
233
|
54
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25165 |
180 |
| Mitsubishi Electric Corporation | 47556 |
147 |
| Robert Bosch GmbH | 43554 |
74 |
| Nidec Corporation | 2764 |
72 |
| Valeo Equipements Electriques Moteur | 958 |
55 |
| BorgWarner Inc. | 2577 |
51 |
| Hitachi Astemo, Ltd. | 6411 |
48 |
| ZF Friedrichshafen AG | 7229 |
47 |
| Honda Motor Co., Ltd. | 25858 |
40 |
| Schaeffler Technologies AG & Co. KG | 10687 |
37 |
| Ford Global Technologies, LLC | 21263 |
31 |
| Aisin AW Co., Ltd. | 2275 |
31 |
| Valeo Eautomotive Germany GmbH | 319 |
31 |
| Toyota Motor Corporation | 34545 |
30 |
| Siemens Gamesa Renewable Energy A/S | 1928 |
29 |
| Siemens AG | 24236 |
27 |
| Toshiba Corporation | 12693 |
26 |
| GM Global Technology Operations LLC | 15776 |
26 |
| Amotech Co., Ltd. | 540 |
25 |
| Infinitum Electric Inc. | 88 |
25 |
| Other owners | 2259 |