- 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: 1552
10-year publication summary
|
82
|
70
|
87
|
128
|
187
|
200
|
172
|
180
|
163
|
48
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2579 |
180 |
| Mitsubishi Electric Corporation | 43934 |
105 |
| Denso Corporation | 23338 |
67 |
| LG Innotek Co., Ltd. | 6758 |
56 |
| Schaeffler Technologies AG & Co. KG | 8880 |
42 |
| Robert Bosch GmbH | 40953 |
37 |
| Siemens AG | 24990 |
36 |
| Valeo Equipements Electriques Moteur | 1036 |
31 |
| Honda Motor Co., Ltd. | 24537 |
30 |
| Toyota Motor Corporation | 28582 |
30 |
| Hitachi Astemo, Ltd. | 5618 |
23 |
| ZF Friedrichshafen AG | 6820 |
19 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
18 |
| Hitachi Metals, Ltd. | 2175 |
17 |
| Ford Global Technologies, LLC | 19702 |
17 |
| BorgWarner Inc. | 2604 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
14 |
| Hitachi Automotive Systems, Ltd. | 3970 |
13 |
| Aisin AW Co., Ltd. | 2430 |
13 |
| Siemens Energy, Inc. | 1770 |
13 |
| Other owners | 776 |