- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
Patent holdings for IPC class H02P 25/18
Total number of patents in this class: 436
10-year publication summary
11
|
28
|
23
|
45
|
56
|
60
|
56
|
49
|
41
|
18
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
94 |
Denso Corporation | 23338 |
17 |
Nidec Corporation | 2579 |
14 |
Falcon Power, LLC | 29 |
12 |
Hyundai Motor Company | 19021 |
9 |
Quanten Technologies, Inc. | 17 |
9 |
Hitachi, Ltd. | 16452 |
7 |
Robert Bosch GmbH | 40953 |
7 |
QM Power, Inc. | 60 |
7 |
Toshiba Carrier Corporation | 567 |
7 |
Kia Corporation | 6450 |
7 |
Sumitomo Electric Industries, Ltd. | 14131 |
6 |
GM Global Technology Operations LLC | 13620 |
6 |
Sumitomo Wiring Systems, Ltd. | 9367 |
6 |
AutoNetworks Technologies, Ltd. | 5809 |
6 |
Ford Global Technologies, LLC | 19702 |
5 |
Caterpillar Inc. | 8877 |
5 |
Eldor Corporation S.p.A. | 117 |
5 |
Regal Beloit America, Inc. | 939 |
5 |
DPM Technologies Inc. | 25 |
5 |
Other owners | 197 |