- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
Patent holdings for IPC class H02K 3/50
Total number of patents in this class: 1913
10-year publication summary
|
87
|
128
|
187
|
199
|
173
|
189
|
169
|
173
|
156
|
73
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2817 |
184 |
| Mitsubishi Electric Corporation | 48018 |
89 |
| Denso Corporation | 25534 |
80 |
| Schaeffler Technologies AG & Co. KG | 10968 |
75 |
| LG Innotek Co., Ltd. | 8466 |
66 |
| Robert Bosch GmbH | 44160 |
40 |
| Toyota Motor Corporation | 35772 |
36 |
| ZF Friedrichshafen AG | 7238 |
33 |
| Siemens AG | 24029 |
32 |
| Honda Motor Co., Ltd. | 26025 |
31 |
| Valeo Equipements Electriques Moteur | 940 |
30 |
| Hitachi Astemo, Ltd. | 6410 |
29 |
| Innomotics GmbH | 599 |
24 |
| Valeo Eautomotive Germany GmbH | 341 |
22 |
| Ford Global Technologies, LLC | 21509 |
20 |
| BorgWarner Inc. | 2583 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
17 |
| Sumitomo Wiring Systems, Ltd. | 11005 |
17 |
| Minebea Mitsumi Inc. | 1943 |
16 |
| Sumitomo Electric Industries, Ltd. | 16331 |
15 |
| Other owners | 1037 |