- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/52 - Fastening salient pole windings or connections thereto
Patent holdings for IPC class H02K 3/52
Total number of patents in this class: 2374
10-year publication summary
|
158
|
177
|
194
|
216
|
218
|
204
|
221
|
199
|
198
|
130
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2668 |
159 |
| Robert Bosch GmbH | 42742 |
101 |
| Mitsubishi Electric Corporation | 46295 |
89 |
| Denso Corporation | 24387 |
87 |
| LG Innotek Co., Ltd. | 7698 |
83 |
| Valeo Equipements Electriques Moteur | 997 |
57 |
| Black & Decker, Inc. | 2408 |
48 |
| ZF Friedrichshafen AG | 7166 |
40 |
| Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg | 236 |
40 |
| Bayerische Motoren Werke Aktiengesellschaft | 14440 |
38 |
| Schaeffler Technologies AG & Co. KG | 9955 |
38 |
| LG Electronics Inc. | 73393 |
26 |
| Ampere S.A.S. | 510 |
26 |
| Honda Motor Co., Ltd. | 25352 |
24 |
| Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wurzburg | 233 |
24 |
| SEW-EURODRIVE GmbH & Co. KG | 1962 |
24 |
| Hyundai Mobis Co., Ltd. | 3200 |
23 |
| Milwaukee Electric Tool Corporation | 4437 |
23 |
| Nidec Motor Corporation | 528 |
23 |
| Minebea Mitsumi Inc. | 1753 |
23 |
| Other owners | 1378 |