- 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: 1860
10-year publication summary
|
87
|
128
|
187
|
199
|
173
|
189
|
167
|
168
|
152
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2751 |
181 |
| Mitsubishi Electric Corporation | 47511 |
89 |
| Denso Corporation | 25115 |
78 |
| Schaeffler Technologies AG & Co. KG | 10644 |
69 |
| LG Innotek Co., Ltd. | 8126 |
62 |
| Robert Bosch GmbH | 43504 |
41 |
| Toyota Motor Corporation | 34313 |
35 |
| Siemens AG | 24250 |
32 |
| ZF Friedrichshafen AG | 7222 |
32 |
| Honda Motor Co., Ltd. | 25840 |
31 |
| Valeo Equipements Electriques Moteur | 961 |
31 |
| Hitachi Astemo, Ltd. | 6403 |
29 |
| Innomotics GmbH | 566 |
22 |
| Valeo Eautomotive Germany GmbH | 312 |
21 |
| BorgWarner Inc. | 2588 |
20 |
| Ford Global Technologies, LLC | 21216 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 33375 |
17 |
| Sumitomo Wiring Systems, Ltd. | 10749 |
16 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12520 |
16 |
| Hitachi Metals, Ltd. | 1927 |
15 |
| Other owners | 1004 |