- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 25/22 - Multiple windingsWindings for more than three phases
Patent holdings for IPC class H02P 25/22
Total number of patents in this class: 844
10-year publication summary
|
54
|
70
|
82
|
135
|
90
|
81
|
72
|
58
|
47
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24282 |
135 |
| Mitsubishi Electric Corporation | 46093 |
82 |
| Hitachi Astemo, Ltd. | 6387 |
39 |
| Mitsubishi Electric Mobility Corporation | 1067 |
34 |
| Robert Bosch GmbH | 42689 |
30 |
| Hitachi Automotive Systems, Ltd. | 3958 |
20 |
| Nidec Corporation | 2662 |
18 |
| ABB Schweiz AG | 6969 |
16 |
| Hyundai Motor Company | 21987 |
15 |
| Kia Corporation | 9675 |
15 |
| NSK Ltd. | 2777 |
14 |
| Quanten Technologies, Inc. | 17 |
12 |
| Bayerische Motoren Werke Aktiengesellschaft | 14379 |
11 |
| SEG Automotive Germany GmbH | 204 |
10 |
| HL Mando Corporation | 1623 |
10 |
| JTEKT Corporation | 2491 |
9 |
| Raytheon Company | 8389 |
8 |
| Rolls-Royce PLC | 3094 |
8 |
| Hamilton Sundstrand Corporation | 4868 |
8 |
| Schaeffler Technologies AG & Co. KG | 9873 |
8 |
| Other owners | 342 |