- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 25/022 - Synchronous motors
Patent holdings for IPC class H02P 25/022
Total number of patents in this class: 228
10-year publication summary
3
|
8
|
17
|
31
|
21
|
26
|
19
|
37
|
44
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 23338 |
9 |
Mitsubishi Electric Corporation | 43934 |
9 |
Nidec Corporation | 2579 |
8 |
Robert Bosch GmbH | 40953 |
7 |
Steering Solutions IP Holding Corporation | 847 |
7 |
Daikin Industries, Ltd. | 9495 |
5 |
Rolls-Royce North American Technologies, Inc. | 1079 |
5 |
ABB Schweiz AG | 6321 |
4 |
Jiangsu University | 950 |
4 |
QM Power, Inc. | 60 |
4 |
Southeast University | 1148 |
4 |
Zhejiang University | 2619 |
4 |
Zhejiang University City College | 43 |
4 |
Zhejiang University Advanced Electrical Equipment Innovation Center | 8 |
4 |
Siemens AG | 24990 |
3 |
Toshiba Corporation | 12017 |
3 |
Hitachi Automotive Systems, Ltd. | 3970 |
3 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
3 |
Purdue Research Foundation | 3277 |
3 |
Toshiba International Corporation | 151 |
3 |
Other owners | 132 |