- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 7/298 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature and field supplies
Patent holdings for IPC class H02P 7/298
Total number of patents in this class: 42
10-year publication summary
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2
|
1
|
5
|
1
|
5
|
4
|
1
|
1
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tula Technology, Inc. | 331 |
4 |
| University of Shanghai for Science and Technology | 112 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| Denso Corporation | 23338 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Yazaki Corporation | 6282 |
2 |
| Kia Motors Corporation | 7946 |
2 |
| GE Infrastructure Technology, LLC | 5873 |
2 |
| Csl2 Limited | 12 |
2 |
| Turntide Drives Limited | 13 |
2 |
| Progress Rail Services Corp | 225 |
1 |
| Schaeffler Technologies AG & Co. KG | 8880 |
1 |
| Omron Corporation | 6968 |
1 |
| AUMA Riester GmbH + Co. KG | 78 |
1 |
| Cirrus Logic International Semiconductor Ltd. | 792 |
1 |
| Fisher & Paykel Appliances Limited | 156 |
1 |
| Harbin Institute of Technology | 356 |
1 |
| Moog Unna GmbH | 17 |
1 |
| Nidec Corporation | 2579 |
1 |
| Nidec Sr Drives Ltd. | 18 |
1 |
| Other owners | 9 |