- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 25/22 - Multiple windings; Windings for more than three phases
Patent holdings for IPC class H02P 25/22
Total number of patents in this class: 768
10-year publication summary
|
38
|
54
|
70
|
82
|
135
|
89
|
81
|
69
|
55
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23338 |
119 |
| Mitsubishi Electric Corporation | 43934 |
112 |
| Hitachi Astemo, Ltd. | 5618 |
37 |
| Robert Bosch GmbH | 40953 |
30 |
| Hitachi Automotive Systems, Ltd. | 3970 |
20 |
| Nidec Corporation | 2579 |
18 |
| NSK Ltd. | 2719 |
14 |
| ABB Schweiz AG | 6321 |
14 |
| Hyundai Motor Company | 19021 |
12 |
| Quanten Technologies, Inc. | 17 |
12 |
| Kia Corporation | 6450 |
12 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
10 |
| JTEKT Corporation | 2423 |
9 |
| SEG Automotive Germany GmbH | 194 |
9 |
| Raytheon Company | 8535 |
8 |
| Rolls-Royce PLC | 2944 |
8 |
| Hamilton Sundstrand Corporation | 4525 |
8 |
| Protean Electric Limited | 139 |
8 |
| Valeo Equipements Electriques Moteur | 1036 |
8 |
| Siemens AG | 24990 |
7 |
| Other owners | 293 |