- 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: 2857
10-year publication summary
|
204
|
270
|
271
|
309
|
282
|
299
|
325
|
336
|
268
|
92
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23338 |
165 |
| Mitsubishi Electric Corporation | 43934 |
165 |
| Robert Bosch GmbH | 40953 |
81 |
| Nidec Corporation | 2579 |
71 |
| Valeo Equipements Electriques Moteur | 1036 |
57 |
| BorgWarner Inc. | 2604 |
46 |
| Hitachi Astemo, Ltd. | 5618 |
44 |
| Honda Motor Co., Ltd. | 24537 |
36 |
| Siemens AG | 24990 |
36 |
| Aisin AW Co., Ltd. | 2430 |
32 |
| Ford Global Technologies, LLC | 19702 |
30 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
27 |
| Toyota Motor Corporation | 28582 |
26 |
| Schaeffler Technologies AG & Co. KG | 8880 |
26 |
| Toshiba Corporation | 12017 |
25 |
| ZF Friedrichshafen AG | 6820 |
25 |
| Hamilton Sundstrand Corporation | 4525 |
23 |
| Mitsuba Corporation | 806 |
21 |
| Amotech Co., Ltd. | 460 |
20 |
| Infinitum Electric Inc. | 59 |
20 |
| Other owners | 1881 |