- 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: 839
10-year publication summary
|
54
|
70
|
82
|
135
|
90
|
81
|
72
|
57
|
47
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24230 |
134 |
| Mitsubishi Electric Corporation | 45962 |
82 |
| Hitachi Astemo, Ltd. | 6387 |
39 |
| Mitsubishi Electric Mobility Corporation | 1067 |
34 |
| Robert Bosch GmbH | 42632 |
30 |
| Hitachi Automotive Systems, Ltd. | 3958 |
20 |
| Nidec Corporation | 2657 |
18 |
| ABB Schweiz AG | 6929 |
16 |
| Hyundai Motor Company | 21897 |
14 |
| NSK Ltd. | 2770 |
14 |
| Kia Corporation | 9582 |
14 |
| Quanten Technologies, Inc. | 17 |
12 |
| Bayerische Motoren Werke Aktiengesellschaft | 14278 |
11 |
| SEG Automotive Germany GmbH | 203 |
10 |
| HL Mando Corporation | 1616 |
10 |
| JTEKT Corporation | 2492 |
9 |
| Raytheon Company | 8396 |
8 |
| Rolls-Royce PLC | 3085 |
8 |
| Hamilton Sundstrand Corporation | 4853 |
8 |
| Protean Electric Limited | 149 |
8 |
| Other owners | 340 |